1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Lungs are made up of air-filed sacs, the alveoli. The do not collapse even after forceful expiration, because of
A
inspiratory reserve volume
B
tidal volume
C
expiratory reserve volume
D
residual volume.
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because
A
three is a negative pressure in the lungs
B
there is a negative intrapleural pressure pulling at the lung walls
C
there is a positive intrapleural pressure
D
pressure in the lungs is higher than the atmospheric pressure.
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
The partial pressure of oxygen in the alveoli of the lungs is
A
equal to that in the blood
B
more than that in the blood
C
less than that in the blood
D
less than that of carbon dioxide.
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Reduction in pH of blood will
A
decrease the affinity of haemoglobin with oxygen
B
release bicarbonate ions by the liver
C
reduce the rate of heart beat
D
reduce the blood supply to the brain.
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