3
MCQ (Single Correct Answer)
A person suffers punctures in his chest cavity in an accident, without any damage to the lungs its effect could be
A
reduced breathing rate
B
rapid increase in breathing rate
C
no change in respiration
D
cessation of breathing
4
MCQ (Single Correct Answer)
It is known that exposure to carbon monoxide is harmful to animals because
A
it reduces $\mathrm{CO}_2$ transport
B
it reduces $\mathrm{O}_2$ transport
C
it increases $\mathrm{CO}_2$ transport
D
it increases $\mathrm{O}_2$ transport
5
MCQ (Single Correct Answer)
Mark the true statement among the following with reference to normal breathing
A
inspiration is a passive process whereas expiration is active
B
inspiration is a active process whereas expiration is passive
C
inspiration and expiration are active processes
D
inspiration and expiration are passive processes
6
MCQ (Single Correct Answer)
A person breathes in some volume of air by forced inspiration after having a forced expiration. This quantity of air taken in is
A
total lung capacity
B
tidal volume
C
vital capacity
D
inspiratory capacity
7
MCQ (Single Correct Answer)
Mark the incorrect statement in context to $\mathrm{O}_2$ binding to Hb
A
higher pH
B
lower temperature
C
lower $p \mathrm{CO}_2$
D
higher $\mathrm{pO}_2$