1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
What is true about RBCs in humans?
A
They carry about 20-25 percent of CO2.
B
They transport 99.5 percent of O2.
C
They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma
D
They do not carry CO2 at all.
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Listed below are four respiratory capacities (i $$-$$ iv) and four jumbled respiratory volumes of a normal human adult.

Respiratory
capacities
Respiratory
volumes
(i) Residual volume 2500 mL
(ii) Vital capacity 3500 mL
(iii) Inspiratory reserve
volume
1200 mL
(iv) Inspiratory capacity 4500 mL

Which one of the following is the correct matching of two capacities and volumes?
A
(ii) 2500 mL,   (iii) 4500 mL
B
(iii) 1200 mL,   (iv) 2500 mL
C
(iv) 3500 mL,   (i) 1200 mL
D
(i) 4500 mL,   (ii) 3500 mL
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The haemoglobin of a human foetus
A
has only 2 protein subunits instead of 4
B
has a higher affinity for oxygen than that of an adult
C
has a lower affinity for oxygen than that of the adult
D
its affinity for oxygen is the same as that of an adult.
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is vital capacity of our lungs?
A
Inspiratory reserve volume plus expiratory reserve volume
B
Total lung capacity minus residual volume
C
Inspiratory reserve volum plus tidal volume
D
Total lung capacity minus expiratory reserve volume
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