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Pathology Lecture 2 MCQ

What is the definition of acute tracheo-bronchitis?
- A. Inflammation of the lung parenchyma
- B. Catarrhal inflammation of mucosa of trachea and bronchi
- C. Inflammation of the alveoli
- D. Fibrinous inflammation of the pleura
Answer: B

Which of the following is a viral cause of acute tracheo-bronchitis?
- A. Streptococcus
- B. Staphylococcus
- C. Influenza
- D. Dust
Answer: C

Which of the following is a bacterial cause of acute tracheo-bronchitis?
- A. Influenza
- B. Measles
- C. Pneumococcus
- D. Fumes
Answer: C

Which of the following is a chemical irritant that can cause acute tracheo-bronchitis?
- A. Streptococcus
- B. Dust
- C. Influenza
- D. Hypersensitivity
Answer: B

Which of the following best describes the gross picture of the mucosa in acute tracheo-bronchitis?
- A. Pale and dry
- B. Swollen, congested, and covered by excess mucous exudate
- C. Atrophied and fibrotic
- D. Ulcerated with minimal exudate
Answer: B

What is the microscopic picture of acute tracheo-bronchitis?
- A. Fibrinous inflammation
- B. Granulomatous inflammation
- C. Catarrhal inflammation
- D. Necrotizing inflammation
Answer: C

In acute tracheo-bronchitis, what happens to the mucous cells?
- A. They atrophy
- B. They become swollen, rounded, and may rupture
- C. They become fibrotic
- D. They decrease in number
Answer: B

Which of the following is seen in the submucosa in acute tracheo-bronchitis?
- A. Atrophy
- B. Congested capillaries, edema, and mild neutrophilic infiltrate
- C. Fibrosis
- D. Granulomas
Answer: B

What is the definition of pneumonia?
- A. Inflammation of the bronchi
- B. Patchy or diffuse inflammation of the lung with consolidation
- C. Inflammation of the trachea
- D. Inflammation of the pleura
Answer: B

What does pulmonary consolidation refer to?
- A. Collapse of the lung
- B. Region of lung tissue filled with liquid
- C. Narrowing of the bronchi
- D. Formation of nodules in the lung
Answer: B

Through what does consolidation occur?
- A. Accumulation of air in the alveoli
- B. Accumulation of cellular exudate in the alveoli and inflammatory ducts
- C. Thickening of the pleural membrane
- D. Blockage of the trachea
Answer: B

Which of the following is NOT a type of pneumonia based on etiology?
- A. Bacterial
- B. Non-bacterial
- C. Bronchopneumonia
- D. Viral
Answer: C

Which of the following is a morphological type of pneumonia?
- A. Bacterial
- B. Non-bacterial
- C. Lobar pneumonia
- D. Viral
Answer: C

Which of the following is a type of bacterial pneumonia?
- A. Viral pneumonia
- B. Inhalation pneumonia
- C. Lobar pneumonia
- D. Lipid pneumonia
Answer: C

Which of the following is a type of non-bacterial pneumonia?
- A. Septic bronchopneumonia
- B. Tuberculous bronchopneumonia
- C. Viral pneumonias
- D. Lobar pneumonia
Answer: C

What is another term for inhalation pneumonia?
- A. Fungal pneumonia
- B. Lipid pneumonia
- C. Aspiration pneumonia
- D. Parasitic pneumonia
Answer: C

Which of the following is NOT a type of non-bacterial pneumonia?
- A. Lipid pneumonia
- B. Fungal pneumonia
- C. Septic bronchopneumonia
- D. Parasitic pneumonia
Answer: C

Which morphological type of pneumonia is characterized by patchy inflammation?
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. Aspiration pneumonia
Answer: C

Which morphological type of pneumonia involves alveoli of more than one lobe?
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. Aspiration pneumonia
Answer: C

In which part of the lung does bronchopneumonia usually occur?
- A. Upper lobes
- B. Middle lobes
- C. Basilar parts
- D. Entire lobe
Answer: C

Which morphological type of pneumonia is characterized by consolidation of an entire lobe?
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Aspiration pneumonia
Answer: C

Which organism almost always causes lobar pneumonia?
- A. Staphylococcus aureus
- B. Streptococcus pyogenes
- C. Streptococcus pneumoniae
- D. Haemophilus influenzae
Answer: C

Which morphological type of pneumonia is characterized by progressive scarring of both lungs?
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Aspiration pneumonia
Answer: C

Interstitial pneumonia is usually caused by what type of infection?
- A. Bacterial
- B. Fungal
- C. Viral
- D. Parasitic
Answer: C

What is the definition of lobar pneumonia?
- A. Patchy inflammation of the lung
- B. Acute diffuse fibrinous inflammation of one or more lobes of the lung
- C. Inflammation of the bronchioles
- D. Inflammation of the interstitial tissue of the lung
Answer: B

In which age group is lobar pneumonia more common?
- A. Children
- B. Elderly
- C. Young adults and middle-aged persons
- D. Infants
Answer: C

Which of the following is a predisposing factor for lobar pneumonia?
- A. Obesity
- B. Exposure to cold or fatigue
- C. Hypertension
- D. High cholesterol
Answer: B

How is lobar pneumonia typically transmitted?
- A. Contaminated food
- B. Droplet infection by pneumococci
- C. Direct contact
- D. Insect bites
Answer: B

Which lobes are more commonly affected in lobar pneumonia?
- A. Lower lobes
- B. Upper and middle lobes
- C. Entire lung
- D. Right lung only
Answer: B

In the stage of congestion of lobar pneumonia, what is the appearance of the alveolar lumen?
- A. Normal
- B. Dilated
- C. Collapsed
- D. Fibrotic
Answer: B

What is the condition of the alveolar capillaries in the stage of red hepatization?
- A. Normal
- B. Less congested
- C. Congested
- D. Ruptured
Answer: C

What type of exudate is present in the alveolar lumen during the stage of gray hepatization?
- A. Fluid exudate
- B. Excess fibrin
- C. No fibrin
- D. Mucous exudate
Answer: B

Which cells have a healthy appearance in the stage of red hepatization?
- A. Neutrophils
- B. Macrophages
- C. Bacteria
- D. All cells
Answer: D

In which stage of lobar pneumonia are the cells described as having an unhealthy appearance?
- A. Stage of congestion
- B. Stage of red hepatization
- C. Stage of gray hepatization
- D. Stage of resolution
Answer: C

What is the condition of the alveolar capillaries in the stage of resolution?
- A. Dilated
- B. Congested
- C. Less congested
- D. Normal
Answer: D

What is the duration of the stage of congestion in lobar pneumonia?
- A. 2nd-4th day
- B. 5th-8th day
- C. 9th day till day 21
- D. 1st day of illness
Answer: D

During which stage of lobar pneumonia does the lung have a wet sponge appearance?
- A. Stage of red hepatization
- B. Stage of gray hepatization
- C. Stage of congestion
- D. Stage of resolution
Answer: C

In which stage does the lung appear hepatized and dry with a dark red color?
- A. Stage of congestion
- B. Stage of red hepatization
- C. Stage of gray hepatization
- D. Stage of resolution
Answer: B

When does the lung appear hepatized and dry with a gray color?
- A. 1st day of illness
- B. 2nd-4th day
- C. 5th-8th day
- D. 9th day till day 21
Answer: C

In which stage does the lung appear near normal?
- A. Stage of congestion
- B. Stage of red hepatization
- C. Stage of gray hepatization
- D. Stage of resolution
Answer: D

Which of the following is a symptom of lobar pneumonia?
- A. Bradycardia
- B. Hypotension
- C. Fever exceeding 40 degrees
- D. Decreased respiratory rate
Answer: C

What causes dyspnea in lobar pneumonia?
- A. Bronchoconstriction
- B. Pulmonary edema
- C. Consolidation
- D. Pleural effusion
Answer: C

What is the characteristic of the cough in lobar pneumonia?
- A. Productive with yellow sputum
- B. Scanty and rusty
- C. Profuse and watery
- D. Dry and hacking
Answer: B

What causes chest pain in lobar pneumonia?
- A. Myocarditis
- B. Pericarditis
- C. Pleurisy
- D. Bronchitis
Answer: C

How does the disease typically end?
- A. Gradual worsening
- B. Chronic cough
- C. Crisis (sudden improvement)
- D. Lung fibrosis
Answer: C

What is a potential cause of death in severe cases of lobar pneumonia?
- A. Kidney failure
- B. Liver cirrhosis
- C. Acute heart failure
- D. Brain hemorrhage
Answer: C

Which of the following is a possible resolution outcome of lobar pneumonia?
- A. Chronic bronchitis
- B. Emphysema
- C. Delayed resolution
- D. Asthma
Answer: C

What does failure of resolution and organization of the exudate in lobar pneumonia cause?
- A. Pulmonary edema
- B. Lung fibrosis (carnification)
- C. Bronchiectasis
- D. Atelectasis
Answer: B

Which of the following is an infection complication of lobar pneumonia?
- A. Pulmonary embolism
- B. Lung abscess and gangrene
- C. Chronic bronchitis
- D. Interstitial fibrosis
Answer: B

In which patients is lung abscess and gangrene more common as a complication of lobar pneumonia?
- A. Patients with hypertension
- B. Diabetic patients
- C. Patients with asthma
- D. Patients with kidney disease
Answer: B

Which of the following is a local spread complication of lobar pneumonia?
- A. Arthritis
- B. Meningitis
- C. Empyema
- D. Endocarditis
Answer: C

Which of the following is a blood spread complication of lobar pneumonia?
- A. Empyema
- B. Septic pericarditis
- C. Septic mediastinitis
- D. Septicemia
Answer: D

What does toxemia in lobar pneumonia cause?
- A. Kidney failure
- B. Toxic myocarditis and acute heart failure
- C. Liver cirrhosis
- D. Brain hemorrhage
Answer: B

Which of the following is another complication caused by toxemia in lobar pneumonia?
- A. Pulmonary embolism
- B. Venous thrombosis in the legs
- C. Chronic bronchitis
- D. Interstitial fibrosis
Answer: B

What type of inflammation is characteristic of bronchopneumonia?
- A. Fibrinous inflammation
- B. Suppurative inflammation
- C. Interstitial inflammation
- D. Granulomatous inflammation
Answer: B

Which age groups are more predisposed to bronchopneumonia?
- A. Middle age
- B. Young and old age
- C. Adolescents
- D. Infants
Answer: B

Which of the following respiratory infections can predispose to bronchopneumonia?
- A. Common cold
- B. Measles
- C. Influenza
- D. Rhinitis
Answer: B

Which of the following can cause bronchial obstruction, predisposing to bronchopneumonia?
- A. Asthma
- B. Foreign bodies
- C. Emphysema
- D. Chronic bronchitis
Answer: B

Which debilitating disease can predispose to bronchopneumonia?
- A. Hypertension
- B. Diabetes mellitus
- C. Heart disease
- D. Kidney disease
Answer: B

Which of the following conditions can predispose to bronchopneumonia?
- A. Systemic lupus erythematosus
- B. Chronic pulmonary edema
- C. Rheumatoid arthritis
- D. Osteoporosis
Answer: B

Which of the following bacteria can cause lobular pneumonia?
- A. Escherichia coli
- B. Streptococci
- C. Klebsiella pneumoniae
- D. Pseudomonas aeruginosa
Answer: B

Which of the following bacteria is a causative agent of lobular pneumonia?
- A. Salmonella
- B. Staphylococci
- C. Shigella
- D. Clostridium
Answer: B

Which of the following bacteria can cause lobular pneumonia?
- A. Mycobacterium tuberculosis
- B. Pneumococci
- C. Bordetella pertussis
- D. Legionella pneumophila
Answer: B

Which of the following is a causative bacterium in lobular pneumonia?
- A. Helicobacter pylori
- B. H. influenza
- C. Bacillus cereus
- D. Vibrio cholerae
Answer: B

What are the two routes of infection for lobular pneumonia?
- A. Airborne and direct contact
- B. Endogenous and exogenous infection
- C. Foodborne and waterborne
- D. Vector-borne and fomite transmission
Answer: B

What is endogenous infection in the context of lobular pneumonia?
- A. Infection from contaminated surfaces
- B. Infection from the upper respiratory tract
- C. Infection from animal contact
- D. Infection from blood transfusion
Answer: B

What is exogenous infection in the context of lobular pneumonia?
- A. Infection from within the body
- B. Droplet infection
- C. Infection from medical procedures
- D. Infection from chronic conditions
Answer: B

What is the nature of the cough in lobular pneumonia?
- A. Dry cough
- B. Productive with clear sputum
- C. Mucopurulent
- D. Productive with bloody sputum
Answer: C

What does mucopurulent sputum indicate?
- A. Presence of mucus only
- B. Presence of mucus and pus cells
- C. Presence of blood only
- D. Presence of serous fluid only
Answer: B

Which lungs are usually affected in lobular pneumonia?
- A. Right lung only
- B. Left lung only
- C. Both lungs
- D. Upper lobes only
Answer: C

Which lobes are specially affected in lobular pneumonia?
- A. Upper lobes
- B. Middle lobes
- C. Lower lobes
- D. Entire lobes
Answer: C

What is seen on section of the lung in lobular pneumonia?
- A. Pale and dry tissue
- B. Congested tissue with pus in the bronchi
- C. Fibrotic tissue
- D. Emphysematous changes
Answer: B

What does the pleura covering the inflamed patches show?
- A. No changes
- B. Fibrinous pleurisy
- C. Effusion
- D. Thickening
Answer: B

What occurs in severe cases of bronchopneumonia?
- A. Lobar consolidation
- B. Confluent bronchopneumonia
- C. Interstitial fibrosis
- D. Atelectasis
Answer: B

What do the bronchioles show in the microscopic picture of lobular pneumonia?
- A. Atrophy
- B. Suppurative inflammation
- C. Fibrosis
- D. Granulomas
Answer: B

What happens to the epithelial lining of the bronchioles in lobular pneumonia?
- A. It thickens
- B. It is destroyed and shed
- C. It becomes hyperplastic
- D. It remains intact
Answer: B

What does the lumen of the bronchioles contain in lobular pneumonia?
- A. Air only
- B. Shedded epithelial cells, neutrophils, and pus cells
- C. Fibrous tissue
- D. Serous fluid
Answer: B

What is the condition of the wall of the bronchioles in lobular pneumonia?
- A. It is normal
- B. It is infiltrated by acute inflammatory cells
- C. It is thickened
- D. It is atrophied
Answer: B

What is observed in the surrounding alveoli in lobular pneumonia?
- A. No congestion
- B. Marked congestion of their capillaries
- C. Fibrosis
- D. Emphysema
Answer: B

How many zones are described in the microscopic picture of lobular pneumonia?
- A. One
- B. Two
- C. Three
- D. Four
Answer: C

What does the zone of inflammation contain?
- A. Air only
- B. Large number of neutrophils, few red cells, and scanty fibrin
- C. Fibrous tissue
- D. Serous fluid
Answer: B

What is seen in the zone of collapse?
- A. Normal alveoli
- B. Destruction of alveolar walls
- C. Hyperplasia of alveoli
- D. Fibrosis of alveoli
Answer: B

What characterizes the zone of compensatory emphysema?
- A. Uniformly inflamed alveoli
- B. Areas of collapse and emphysema in non-inflamed alveoli
- C. Fibrosis of all alveoli
- D. Normal alveolar structure
Answer: B

What causes the areas of collapse and compensatory emphysema?
- A. Pulmonary edema
- B. Bronchial obstruction by inflammatory exudate
- C. Pleural effusion
- D. Cardiac failure
Answer: B

Which of the following is a complication of bronchopneumonia?
- A. Rapid resolution
- B. No resolution
- C. Lobar consolidation
- D. Interstitial fibrosis
Answer: B

Which of the following is a more frequent complication in bronchopneumonia compared to lobar pneumonia?
- A. Pleural effusion
- B. Lung abscess and gangrene
- C. Cardiac failure
- D. Renal failure
Answer: B

What does destruction of the bronchial walls cause?
- A. Pulmonary edema
- B. Bronchiectasis
- C. Interstitial fibrosis
- D. Atelectasis
Answer: B

What can organization of the exudate lead to?
- A. Emphysema
- B. Fibrosis of the lung
- C. Pleural effusion
- D. Bronchial dilation
Answer: B

Which of the following is a local spread complication of bronchopneumonia?
- A. Arthritis
- B. Meningitis
- C. Empyema
- D. Otitis media
Answer: C

which of the following is a blood spread complication of bronchopneumonia?
- A. Empyema
- B. Septic pericarditis
- C. Arthritis
- D. Septic mediastinitis
Answer: C

What can toxemia in bronchopneumonia cause?
- A. Kidney failure
- B. Acute heart failure
- C. Liver cirrhosis
- D. Brain hemorrhage
Answer: B

In interstitial pneumonia, where is the inflammatory infiltrate predominantly located?
- A. In the bronchioles
- B. In the alveoli
- C. Inter-alveolar (interstitial)
- D. In the pleura
Answer: C

Which of the following is a viral cause of interstitial pneumonia?
- A. Streptococcus pneumoniae
- B. Influenza
- C. Staphylococcus aureus
- D. Haemophilus influenzae
Answer: B

Which systemic viral infection can cause interstitial pneumonia?
- A. Common cold
- B. Measles
- C. Bronchitis
- D. Sinusitis
Answer: B

Which of the following other infections can cause interstitial pneumonia?
- A. Escherichia coli
- B. Mycoplasma
- C. Klebsiella pneumoniae
- D. Pseudomonas aeruginosa
Answer: B

Which of the following is another infection that can lead to interstitial pneumonia?
- A. Clostridium difficile
- B. Pneumocystitis carinii
- C. Salmonella typhi
- D. Shigella dysenteriae
Answer: B

Which chemical agent can cause interstitial pneumonia?
- A. Aspirin
- B. Cyclophosphamide
- C. Ibuprofen
- D. Acetaminophen
Answer: B

Which of the following substances can cause interstitial pneumonia?
- A. Sulfuric acid
- B. Oxygen
- C. Nitrogen
- D. Carbon dioxide
Answer: B

Which physical agent can cause interstitial pneumonia?
- A. Heat
- B. Cold
- C. Radiation
- D. Pressure
Answer: C

What is the gross appearance of the lungs in interstitial pneumonia?
- A. Consolidated
- B. Normal
- C. Heavy and airless
- D. Enlarged and spongy
Answer: C

What is the nature of the cut surface of the lungs in interstitial pneumonia?
- A. Smooth and moist
- B. Dry and granular
- C. Hemorrhagic
- D. Edematous
Answer: B

What does the microscopic picture of interstitial pneumonia show?
- A. Inflammation in the bronchioles
- B. Inflammatory infiltrate in the inter-alveolar septa
- C. Consolidation of the entire lobe
- D. Suppurative inflammation
Answer: B

Which cells are predominantly seen in the inflammatory infiltrate in interstitial pneumonia?
- A. Neutrophils
- B. Lymphocytes, plasma cells, and macrophages
- C. Eosinophils
- D. Basophils
Answer: B

What happens to the inter-alveolar septa in interstitial pneumonia?
- A. They become thinner
- B. They remain normal
- C. They become markedly thickened
- D. They rupture
Answer: C

What is the condition of the alveoli in interstitial pneumonia?
- A. They show necrosis
- B. They show no necrosis
- C. They are filled with pus
- D. They are collapsed
Answer: B

What does healing of the lesion lead to in interstitial pneumonia?
- A. Pulmonary edema
- B. Interstitial fibrosis
- C. Bronchiectasis
- D. Emphysema
Answer: B

What is Adult Respiratory Distress Syndrome (ARDS)?
- A. A chronic lung disease
- B. A severe form of interstitial pneumonia
- C. A type of bronchopneumonia
- D. A complication of lobar pneumonia
Answer: B

What is the early exudative phase of ARDS characterized by?
- A. Fibrosis of the lung
- B. Necrosis of pneumocytes type I and fibrin deposition
- C. Hyperplasia of alveolar cells only
- D. Normal alveoli
Answer: B

Which cells undergo hyperplasia in the early exudative phase of ARDS?
- A. Pneumocytes type I
- B. Pneumocytes type II
- C. Neutrophils
- D. Eosinophils
Answer: B

What lines the alveoli in the early exudative phase of ARDS?
- A. Normal alveolar lining
- B. Eosinophilic hyaline membranes
- C. Fibrous tissue
- D. Pus
Answer: B

What does the proliferative phase of ARDS end in surviving patients?
- A. Emphysema
- B. Interstitial fibrosis
- C. Bronchiectasis
- D. Pulmonary edema
Answer: B

What is the fibrous phase of ARDS also known as?
- A. Consolidated lung
- B. Honeycomb lung
- C. Hepatized lung
- D. Collapsed lung
Answer: B

What is the other term for Organizing Diffuse Alveolar Damage (DAD)?
- A. Mild interstitial pneumonia
- B. Severe interstitial pneumonia
- C. Lobar pneumonia
- D. Bronchopneumonia
Answer: B

Which type of pneumonia is caused by Pneumococci?
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Aspiration pneumonia
Answer: C

Which type of pneumonia is caused by Staph, Strepto, and H influenza?
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Lipid pneumonia
Answer: B

Which type of pneumonia is caused by Viral, herpes, H1N1, and H5N1?
- A. Bronchopneumonia
- B. Lobar pneumonia
- C. Interstitial pneumonia
- D. Aspiration pneumonia
Answer: C

Which age group is more affected by lobar pneumonia?
- A. Children
- B. Extremes (children & old)
- C. Middle age
- D. Variable
Answer: C

Which age group is more affected by bronchopneumonia?
- A. Middle age
- B. Variable
- C. Extremes (children & old)
- D. Adults
Answer: C

Which age group is affected by interstitial pneumonia?
- A. Children
- B. Old age
- C. Middle age
- D. Variable
Answer: D

What type of inflammation is seen in lobar pneumonia?
- A. Interstitial inflammation
- B. Acute suppurative
- C. Acute fibrinous
- D. Chronic inflammation
Answer: C

What type of inflammation is seen in bronchopneumonia?
- A. Acute fibrinous
- B. Interstitial inflammation
- C. Acute suppurative
- D. Chronic inflammation
Answer: C

What type of inflammation is seen in interstitial pneumonia?
- A. Acute fibrinous
- B. Acute suppurative
- C. Interstitial inflammation
- D. Chronic inflammation
Answer: C

What is the extent of involvement in lobar pneumonia?
- A. Bilateral patches
- B. Unilateral one or more lung lobe
- C. Bilateral patchy
- D. Variable
Answer: B

What is the extent of involvement in bronchopneumonia?
- A. Unilateral one or more lung lobe
- B. Bilateral patchy
- C. Variable
- D. Bilateral patches
Answer: D

What is the extent of involvement in interstitial pneumonia?
- A. Bilateral patches
- B. Bilateral patchy
- C. Unilateral one or more lung lobe
- D. Variable
Answer: B

Where is the site of involvement in lobar pneumonia?
- A. Variable
- B. Bilateral
- C. Unilateral
- D. Lower lobes
Answer: C

where is the site of involvement in bronchopneumonia?
- A. Unilateral
- B. Bilateral
- C. Variable
- D. Upper lobe
Answer: B

Where is the site of involvement in interstitial pneumonia?
- A. Bilateral
- B. Variable
- C. Unilateral
- D. Lower lobes
Answer: A

What is the condition of the pleura in lobar pneumonia?
- A. Variable
- B. Pleurisy
- C. No pleurisy
- D. Effusion
Answer: B

What is the condition of the pleura in bronchopneumonia?
- A. No pleurisy
- B. Variable
- C. Pleurisy
- D. Effusion
Answer: C

What is the condition of the pleura in interstitial pneumonia?
- A. Pleurisy
- B. No pleurisy
- C. Variable
- D. Effusion
Answer: C

Are alveoli affected in lobar pneumonia?
- A. Not affected
- B. Affected
- C. Sometimes affected
- D. Variable
Answer: B

Are bronchioles affected in lobar pneumonia?
- A. Affected
- B. Not affected
- C. Sometimes affected
- D. Variable
Answer: B

Are alveoli affected in bronchopneumonia?
- A. Not affected
- B. Affected
- C. Sometimes affected
- D. Variable
Answer: B

Are bronchioles affected in bronchopneumonia?
- A. Not affected
- B. Affected
- C. Sometimes affected
- D. Variable
Answer: B

Are alveoli affected in interstitial pneumonia?
- A. Not affected
- B. Affected
- C. Sometimes affected
- D. Variable
Answer: B

Are bronchioles affected in interstitial pneumonia?
- A. Not affected
- B. Affected
- C. Sometimes affected
- D. Variable
Answer: A

Is fibrin present in lobar pneumonia?
- A. Present
- B. Absent
- C. Variable
- D. Sometimes present
Answer: A

Is fibrin present in bronchopneumonia?
- A. Present
- B. Absent
- C. Variable
- D. Sometimes present
Answer: B

Is fibrin present in interstitial pneumonia?
- A. Present
- B. Absent
- C. Variable
- D. Sometimes present
Answer: A

141. In lobar pneumonia, the termination of the disease is typically by:
- A. Lysis (gradual improvement)
- B. Crisis (sudden improvement)
- C. Variable
- D. No improvement
Answer: B

142. In bronchopneumonia, the termination of the disease is typically by:
- A. Crisis (sudden improvement)
- B. Lysis (gradual improvement)
- C. Variable
- D. No improvement
Answer: B

143. In interstitial pneumonia, the termination of the disease is:
- A. Crisis (sudden improvement)
- B. Lysis (gradual improvement)
- C. Variable
- D. Always leads to fibrosis
Answer: C

144. The amount of RBCs in the exudate is excessive in:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. All types of pneumonia
Answer: C

145. The amount of RBCs in the exudate is minimal in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. All types of pneumonia
Answer: C

146. The amount of RBCs in the exudate is less in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. All types of pneumonia
Answer: C

147. Neutrophils are excessive in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. All types of pneumonia
Answer: C

148. Neutrophils are less in:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. All types of pneumonia
Answer: C

149. Neutrophils are typically absent in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. All types of pneumonia
Answer: C

150. Complications are more frequent in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. All types of pneumonia equally
Answer: C

151. Complications are less frequent in:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. All types of pneumonia equally
Answer: C

152. Complications are variable in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. All types of pneumonia equally
Answer: C

153. Necrosis of pneumocytes type I and fibrin deposition are characteristic of the early exudative phase of:
- A. Mild interstitial pneumonia
- B. Bronchopneumonia
- C. Lobar pneumonia
- D. Severe interstitial pneumonia (ARDS)
Answer: D

154. Hyperplasia of alveolar cells (pneumocytes Type II) is seen in the early exudative phase of:
- A. Lobar pneumonia
- B. Mild interstitial pneumonia
- C. Severe interstitial pneumonia (ARDS)
- D. Bronchopneumonia
Answer: C

155. Eosinophilic hyaline membranes lining the alveoli are characteristic of:
- A. Bronchopneumonia
- B. Lobar pneumonia
- C. Early exudative phase of ARDS
- D. Proliferative phase of ARDS
Answer: C

156. Interstitial fibrosis as an outcome is seen in the proliferative phase of:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Early exudative phase of ARDS
- D. Surviving patients in ARDS
Answer: D

157. Honeycomb lung is characteristic of the:
- A. Early exudative phase of ARDS
- B. Proliferative phase of ARDS
- C. Fibrous phase of ARDS
- D. Resolution phase of lobar pneumonia
Answer: C

158. Organizing Diffuse Alveolar Damage (DAD) is also known as:
- A. Mild lobar pneumonia
- B. Severe bronchopneumonia
- C. Mild interstitial pneumonia
- D. Severe interstitial pneumonia
Answer: D

159. Which of the following causes catarrhal inflammation of the mucosa of the trachea and bronchi?
- A. Pneumonia
- B. Acute tracheo-bronchitis
- C. Consolidation
- D. Atelectasis
Answer: B

160. Swollen and congested mucosa covered by excess mucous exudate is a gross picture of:
- A. Pneumonia
- B. Acute tracheo-bronchitis
- C. Interstitial fibrosis
- D. Honeycomb lung
Answer: B

161. Catarrhal inflammation is the microscopic picture of:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Acute tracheo-bronchitis
- D. Interstitial pneumonia
Answer: C

162. Congested capillaries, edema, and mild neutrophilic infiltrate in the submucosa are seen in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Acute tracheo-bronchitis
- D. Interstitial pneumonia
Answer: C

163. Patchy or diffuse inflammation of the lung with consolidation defines:
- A. Acute tracheo-bronchitis
- B. Pneumonia
- C. Atelectasis
- D. Emphysema
Answer: B

164. Pulmonary consolidation involves the accumulation of:
- A. Air in the alveoli
- B. Cellular exudate in the alveoli and inflammatory ducts
- C. Fibrous tissue in the bronchioles
- D. Mucous in the trachea
Answer: B

165. Which type of pneumonia is primarily caused by Pneumococci?
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Viral pneumonia
Answer: C

166. Which type of pneumonia is associated with Staph, Strepto, and H influenza as common causes?
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Aspiration pneumonia
Answer: B

167. Viral infections like influenza and herpes are common causes of:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Bacterial pneumonia
Answer: C

168. Acute fibrinous inflammation is characteristic of:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Aspiration pneumonia
Answer: C

169. Acute suppurative inflammation is characteristic of:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. Viral pneumonia
Answer: C

170. Inflammation predominantly involving the inter-alveolar septa is seen in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Fungal pneumonia
Answer: C

171. Unilateral involvement of one or more lung lobes is typical of:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Aspiration pneumonia
Answer: C

172. Bilateral patchy involvement of the lungs is characteristic of:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. Chemical pneumonia
Answer: C

173. Bilateral involvement with patches in the lungs is seen in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Lipid pneumonia
Answer: C

174. Pleurisy is commonly associated with:
- A. Interstitial pneumonia
- B. Lobar pneumonia and bronchopneumonia
- C. Only bronchopneumonia
- D. Only interstitial pneumonia
Answer: B

175. Alveoli are affected in:
- A. Only bronchopneumonia
- B. Only interstitial pneumonia
- C. Lobar pneumonia, bronchopneumonia, and interstitial pneumonia
- D. None of the above
Answer: C

176. Bronchioles are affected in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. All types of pneumonia
Answer: C

177. Fibrin is typically present in:
- A. Bronchopneumonia
- B. Lobar pneumonia and interstitial pneumonia
- C. Only lobar pneumonia
- D. Only interstitial pneumonia
Answer: B

178. Fibrin is typically absent in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. All types of pneumonia
Answer: C

179. Excessive red blood cells (RBCs) in the exudate are characteristic of:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Viral pneumonia
Answer: C

180. Minimal red blood cells (RBCs) in the exudate are seen in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Bacterial pneumonia
Answer: B

181. Excessive neutrophils are characteristic of the exudate in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. Viral pneumonia
Answer: C

182. Minimal neutrophils are found in the exudate of:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Bacterial pneumonia
Answer: C

183. No neutrophils are typically present in the exudate of:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Suppurative pneumonia
Answer: C

184. Complications are more likely to occur in:
- A. Lobar pneumonia
- B. Interstitial pneumonia
- C. Bronchopneumonia
- D. Viral pneumonia
Answer: C

185. Complications are less likely to occur in:
- A. Bronchopneumonia
- B. Interstitial pneumonia
- C. Lobar pneumonia
- D. Bacterial pneumonia
Answer: C

186. The likelihood of complications is variable in:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Suppurative pneumonia
Answer: C

187. The typical cause of lobar pneumonia is:
- A. Streptococcus pneumoniae
- B. Staphylococcus aureus
- C. Haemophilus influenzae
- D. Respiratory syncytial virus
Answer: A

188. Bronchopneumonia is commonly caused by:
- A. Pneumococcus
- B. Staph, strepto, and H influenza
- C. Influenza virus
- D. Mycoplasma pneumoniae
Answer: B

189. Viral infections are a common cause of:
- A. Lobar pneumonia
- B. Bronchopneumonia
- C. Interstitial pneumonia
- D. Bacterial pneumonia
Answer: C

190. Lobar pneumonia typically affects individuals in:
- A. Early childhood
- B. Old age
- C. Middle age
- D. Adolescence
Answer: C

191. Bronchopneumonia is more common in:
- A. Middle-aged adults
- B. Young adults
- C. Extremes of age (children and old)
- D. Adolescents
Answer: C

192. Interstitial pneumonia affects individuals of:
- A. A specific age group
- B. Variable age groups
- C. Primarily the elderly
- D. Primarily children
Answer: B

193. The type of inflammation in bronchopneumonia is:
- A. Acute fibrinous
- B. Interstitial
- C. Acute suppurative
- D. Chronic
Answer: C

194. The type of inflammation in interstitial pneumonia is:
- A. Acute fibrinous
- B. Acute suppurative
- C. Interstitial
- D. Chronic
Answer: C

195. The extent of involvement in lobar pneumonia is typically:
- A. Bilateral patchy
- B. Patches
- C. Unilateral, one or more lung lobes
- D. Diffuse bilateral
Answer: C