Medical MCQs

A. Venules
B. Arterioles
C. Capillaries
D. Precapillary sphincters

A. Aorta
B. Arteries
C. Capillaries
D. Venules

A. Closure of the pulmonary valve
B. Rapid filling of the left ventricle
C. Closure of the aortic valve
D. Contraction of the atria

A. The loudest sound is the diastolic pressure
B. Systolic pressure estimation tends to be lower than those make by palpatory method
C. The first sound heard is the systolic pressure
D. The sounds that are heard are generated in heart

A. Higher filtration pressure
B. Lower filtration pressure
C. Both of the above
D. None

A. Reynolds number < 2000
B. Decrease in velocity of blood
C. Decrease in density of blood
D. Increase in diameter of blood vessel

A. 1 to 4 m/sec
B. 5 to 8 m/sec
C. 9 to 12 m/sec
D. More than 12 m/sec

A. Volume of the circulation per minute
B. Peripheral vascular resistance
C. Pulse pressure
D. Total capacity

A. Measures the change in po2 in arterial blood
B. Measures po2 in venous blood
C. Measures the changed in co2 in arterial blood
D. Measures the change in co2 in venous blood

A. Increases heart rate
B. Decreases myocardial irritability
C. Increases force of contraction
D. Increases oxygen uptake by heart