1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
People who have migrated from the planes to an area adjoining Rohtang Pass about six months back
A
have more RBCs and their haemoglobin has a lower binding affinity to O2
B
are not physically fit to play games like football
C
suffer from altitude sickness with symptoms like nausea,fatigue, etc.
D
have the usual RBC count but their haemoglobin has very high binding affinity to O2.
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
A
One can breathe out air totally without oxygen.
B
One can breathe out air through Eustachian tube by closing both nose and mouth.
C
One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all.
D
The lungs can be made fully empty by forcefully breathing out all air from them.
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as
A
bicarbonate in blood plasma and RBCs
B
free CO2 in blood plasma
C
70% carbamino-haemoglobin and 30% as bicarbonate
D
carbamino-haemoglobin in RBCs.
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2
A
acts as a reserve during muscular exercise
B
raises the pCO2 of blood to 75 mm of Hg.
C
is enough to keep oxyhaemoglobin saturation at 96%
D
helps in releasing more O2 to the epithelial tissues.
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