- A. Tidal volume
- B. Inspiratory reserve volume plus expiratory volume
- C. Tidal volume plus inspiratory reserve volume plus expiratory reserve volume
- D. Expiratory reserve volume plus reserve volume
Physiology (MCQs)
-
Vital capacity is a measure of______
-
Which of the following statements about pulmonary surfactant is false ?
- A. It is secreted by Type II pneumocytes
- B. It contains lecithin and sphingomyelin
- C. It increases surface tension
- D. It prevents collapse of smaller alveoli
-
Ventilation perfusion ratio is maximum in______
- A. Base of lung
- B. Apex of lung
- C. Posterior lobe of lung
- D. Middle lobe of lung
-
Increase in partial pressure of CO2 leading to release of oxygen to the tissues is____
- A. Haldane effect
- B. Bohr effect
- C. Breur effect
- D. Hamburger effect
-
The work of breathing______
- A. is inversely related to lung compliance
- B. remains constant during exercise
- C. is not affected by respiratory
- D. decreased in lying posture
-
At high altitudes the following changes takes place except______
- A. Increase in respiratory rate
- B. Increases in depth of respiration
- C. Increase in oxygen carrying capacity of blood
- D. Increase in partial pressure of CO2
-
Shift of the oxygen dissociation curve to right is caused by the following factors EXCEPT_____
- A. Increased 2,3 BPG
- B. Increased temperature
- C. Increased concentration of carbon – di – oxide
- D. Increased concentration of oxygen
-
The quantity of water lost in expired air each 24 hrs is about_____
- A. 200 ML
- B. 400 ML
- C. 600 ML
- D. 800 ML
-
Bronchial circulation is associated with______
- A. Air conditioning
- B. Drug absorption
- C. Gaseous exchange
- D. Reserve volume
-
Which of the following adaptations will be apt to increase the work capacity at high altitude_____
- A. Increased workload, decreasing duration of exercise
- B. Increased workload, increasing duration of exercise
- C. Decreasing workload, increasing duration of exercise
- D. Decreasing workload, decreasing duration of exercise