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.Management Sciences
Category: Respiratory System
Oxygen dissociation cure is shifted to the right in all except_____________?
A. Fall in pH
B. Rise in temperature
C. Increase of 2, 3 3 DPG
D. HbF
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
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
What is true about pneumothorax ?
A. Total chest wall diameter is increased
B. Interpleural pressure becomes more negative
C. The concentration of surfactant is reduced in alveoli
D. Increased lung compliance
Bronchial circulation is associated with__________________?
A. Air conditioning
B. Drug absorption
C. Gaseous exchange
D. Reserve volume
Arterial PO2 is reduced in_____________?
A. Anemia
B. KCN poisoning
C. Pulmonary hypoventilation
D. CO poisoning
In Haldane effect CO2 dissociation curve is shifted to_____________?
A. Left
B. Right
C. Does not shift
D. None of the above
Which of the following does not stimulate alveolar hyperventilation ?
A. Hypoxia
B. Hypercapnia
C. Acidosis
D. Stretching of airways
The alveolar ventilation in an individual with tidal volume: 600 ml, dead space 150 ml and respiratory rate of 15/ minute is_____________?
A. 2.5 lit/Min
B. 4.0 lit /Min
C. 6.75 Lit/Min
D. 9 Lit/Min
Non- respiratory function of the lung is_________________?
A. Dopamine metabolism
B. Adrenaline metabolism
C. Serotonin metabolism
D. PGE2 production
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