The transport of CO is diffusion limited because_______________?
(A) Bind avidly with Hb
(B) Partial pressure of CO is less
(C) CO is less absorbed in water
(D) Alveolar membrane is less permeable
Carotid body function in an organ work as_______________?
(A) Differential pressure of oxygen in arterial blood
(B) Differential pressure of oxygen in venous blood
(C) Differential pressure of oxygen in in tissue fluids
(D) Differential pressure of oxygen in in hemoglobin synthesis
The approximate amount of air left in the lungs after maximal forced expiration in a normal woman______________?
(A) 0.5 L
(B) 2.0 L
(C) 1.1 L
(D) 1.8 L
Inability of exchange of oxygen through lung tissue if known as____________?
(A) Anoxic anoxia
(B) Anoxia
(C) Histotoxic hypoxia
(D) Ischemic hypoxia
Smoking causes_____________?
(A) Ciliary motility
(B) Cellular hyperplasia
(C) Mucous secretion
(D) All of the above
Non- respiratory function of the lung is_________________?
(A) Dopamine metabolism
(B) Adrenaline metabolism
(C) Serotonin metabolism
(D) PGE2 production
Oxygen affinity is increased by all except_________________?
(A) Alkalosis
(B) Hypoxia
(C) Increased HbF
(D) Hypothermia
Arterial O2 content is reduced in one of following ______________?
(A) Stagnant hypoxia
(B) Anemic hypoxia
(C) Histotoxic hypoxia
(D) Hypoxic or arterial hypoxia
Vital capacity is a measure of________________?
(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