Respiratory System MCQs Part 1

# Pulmonary surfactant is:
A. Lecithin
B. Dipalmitoyl Phosphatidyl choline
C. Dipalmitoyl Phosphatidine serine
D. Sphingosine

# Heimilch Maneuver is carried out in:
A. Syncope
B. Airway obstruction
C. Carotid blow out
D. Cardiac arrest




# The following non suppurative lung condition is associated with clubbing:
A. Empyema
B. Fibrosing alveolitis
C. Lung abscess
D. Bronchiectasis

# The beneficial effect of oxygen therapy in histotoxic hypoxia is about:
A. 0 %
B. 50 %
C. 100 %
D. 30 %

# Alpha 1 antitrypsin deficiency causes:
A. Centrilobular emphysema
B. Panacinar emphysema
C. Lung cysts
D. Bronchiectasis

# Cyanosis of lip is present in:
A. Polycythemia
B. Myocardial infarction
C. Angina
D. All of the above

# Cor pulmonale is the complication of the following condition:
A. Bronchitis
B. Bronchial asthma
C. Pneumocystis infection
D. All of the above

# Cyanosis occurs when reduced Hb content in blood exceeds _______ g/dL:
A. 3.5
B. 2
C. 6
D. 10

# Foreign body aspiration is most common in:
A. Left apical lobe
B. Left lower lobe
C. Right middle lobe
D. Right apical lobe

# Stony dull note on percussion is characteristic of:
A. Pleural effusion
B. Consolidation
C. Pleurisy
D. Tuberculous cavity

# All of these conditions cause an exudative pleural effusion EXCEPT:
A. Tuberculosis
B. Bronchogenic Carcinoma
C. Cardiac failure
D. Acute Pancreatitis

# Which of the following is the most frequent cause of exudative pleural effusion?
A. Cirrhosis of liver
B. Tuberculosis
C. Congestive heart failure
D. Rheumatoid arthritis

# Tracheal shift to opposite side is seen in:
A. Pleural effusion
B. Consolidation
C. Pleurisy
D. Tuberculous cavity

# Charcot Leyden crystals are breakdown products of:
A. Basophils
B. Bile
C. Eosinophil granules
D. Cholesterol granules or clefts

# Hilar lymphadenopathy and elevated serum ACE levels strongly support a diagnosis of:
A. Pulmonary tuberculosis
B. Chron's disease
C. Sarcoidosis
D. Lupus erythematosus

# Kussmaul's breathing is due to the presence of:
A. H+ ions
B. Bicarbonate
C. Chloride ions
D. K+ ions

# Clinical sign of hyperventilation is:
A. Breathlessness
B. Wheezing
C. Stridor
D. Rigors

# Syndrome involving the triad of of sinusitis, bronchiectasis and situs inversus is:
A. Young's syndrome
B. Kartagener syndrome
C. Charcot triad
D. Apert syndrome

# Abnormal regulation of chloride ion through epithelial channel is seen in:
A. Ehler Danlos syndrome
B. Marfan syndrome
C. Cystic fibrosis
D. Diabetes insipidus

# Which of the following diagnostic techniques is most specific for pulmonary embolism?
A. Pulmonary angiography
B. Ventilation lung scanning
C. Perfusion lung scanning
D. Arterial blood gas analysis

# Halitosis, clubbing, coarse crepitations at the base of lung are seen in:
A. Emphysema
B. Pneumonia
C. Bronchiectasis
D. Lung abscess

# The clinical feature of pulmonary infarction may include which of the following:
A. Pleural pain
B. Haemoptysis
C. Dyspnoea
D. All

# Bovine cough is seen in:
A. Pulmonary oedema
B. Recurrent laryngeal paralysis
C. Chronic bronchitis
D. Asthma

# Hemoptysis may be caused by:
A. Pulmonary infarction
B. Bronchiectasis
C. Bronchial adenoma
D. All of the above

# Most common cause of hemoptyis is:
A. Mitral stenosis
B. Bronchiectasis
C. Pulmonary TB
D. Bronchogenic carcinoma

# Pink frothy sputum is seen in:
A. Pulmonary oedema
B. Pneumococcal pneumonia
C. Emphysema
D. Bronchiectasis

# Rusty sputum is characteristic of:
A. Staphylococcal pneumonia
B. Pneumococcal pneumonia
C. Pulmonary oedema
D. Chronic bronchitis

# Cheyne-Stokes breathing may occur in:
A. Severe heart failure
B. In normal persons during sleep at high altitude
C. In elder people
D. All

# Amphoric breathing is seen in:
A. Pneumothorax
B. Pericarditis
C. Pneumonia
D. Pleural effusion

# Kussmaul's breathing is due to the presence of:
A. Bicarbonate
B. H+ ions
C. Chloride ions
D. K+ ions

# Which of the following auscultatory findings does the term "Rhonchi" refer to?
A. Coarse, bubbling sounds
B. Fine, crackling sounds heard in late inspiration
C. Wheezing sounds during both inspiration and expiration
D. All of the above

# Crackling crepitations unaltered by coughing is characteristic of:
A. Pulmonary tuberculosis
B. Interstitial lung disease
C. Klebsiella pneumonia
D. Lung abscess

# 'Velcro' crackles are heard in:
A. Pleural effusion
B. Pneumothorax
C. Lung cancer
D. Pulmonary fibrosis

# The most frequent source of pulmonary embolism is:
A. Leg veins
B. Heart
C. Arm veins
D. Splenic vein

# Most common symptom of pulmonary embolism:
A. Chest pain
B. Dyspnoea
C. Hempotysis
D. Cough

# Tropical pulmonary eosinophilia is an allergic reaction to:
A. Drugs
B. House dust
C. Virus
D. Worms

# Pulmonary fibrosis may be cause:
A. Tuberculosis
B. Infarction
C. Pneumoconiosis
D. All

# Which of the following is specifically associated with pulmonary fibrosis?
A. Bleomycin
B. Methotrexate
C. Methyserigide
D. Busulfan

# Which of the following statements is true regarding digital clubbing?
A. Clubbing always indicates heart diseases
B. Presence of clubbing warrants a search for sickle cell disease
C. Clubbing is common in cirrhosis of liver
D. Clubbing is seen in pulmonary arteriovenous fistula

# Clubbing of the fingers is seen in all of the following conditions except:
A. Chronic bronchitis and coronary artery disease
B. Left heart failure and tetralogy of Fallot
C. Anasarca and bronchiectasis
D. Perforated lung and lung abscess

# All of the following results in central cyanosis except:
A. Emphysema
B. Fallot's tetralogy
C. Congestive heart failure
D. Pneumonia

# A young boy, Hari Lal developed respiratory distress. On examination, the chest X ray showed hyperinflation of one lung. Which of the following is most possible diagnosis?
A. Congenital lobar emphysema
B. Foreign body aspiration
C. Bronchiectasis
D. Atelectasis

# Transudative pleural effusion is seen in:
A. Lymphoma
B. Filariasis
C. CCF
D. TB

# Exudative pleural effusion is caused by which one of the following:
A. Cirrhosis
B. Nephrotic syndrome
C. Congestive heart failure
D. Bronchogenic carcinoma

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