The given figure shows schematic plan of blood
circulation in humans with labels A to D.
Identify the label and give its functions?
A
A - Pulmonary vein - takes impure blood
from body parts, pO2
= 60 mm Hg
B
B - Pulmonary artery - takes blood from
heart to lungs, pO2
= 90 mm Hg
C
C - Vena cava - takes blood from body parts
to right auricle, pCO2
= 45 mm Hg
D
D - Dorsal aorta - takes blood from heart to
body parts, pO2
= 95 mm Hg
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
The diagram given here is the standard ECG of a normal person. The P-wave represents the
A
beginning of the systole
B
end of systole
C
contraction of both the atria
D
initiation of the ventricular contraction.
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Which one of the following human organs is often called the ''graveyard'' of RBCs?
A
Gall blader
B
Kidney
C
Spleen
D
Liver
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donar?
