Free Printable Body Fluids and Circulation, Quiz 9

1.

Which among the following is correct during each cardiac cycle?

a)

(a) The volume of blood pumped out by the Rt and Lt ventricles is same.

b)

(b) The volume of blood pumped out by the Rt and Lt ventricles is different

c)

(c) The volume of blood received by each atrium is different

d)

(d) The volume of blood received by the aorta and pulmonary artery is different

2.

ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.

a)

(a) Depolarisation of atria

b)

(b) Repolarisation of atria

c)

(c) Depolarisation of ventricles

d)

(d) Repolarisation of ventricles

3.

Valves occur in

a)

(a) Arteries, veins and auricles

b)

(b) Atria, ventricles and veins

c)

(c) Arteries, veins and ventricles

d)

(d) SA node, AV node and veins.

4.

Blood pressure in the pulmonary artery is :-

a)

(a) same as that in the aorta.

b)

(b) more than that in the carotid.

c)

(c) more than that in the pulmonary vein.

d)

(d) less than that in the venae cavae.

5.

What vessels hold the largest percentage of the blood supply?

a)

(a) artery

b)

(b) arteriole

c)

(c) capillary

d)

(d) vein

6.

Blood flow velocity is slowest in the

a)

(a) Arteries

b)

(b) Arterioles

c)

(c) Capillaries

d)

(d) Venules

7.

Arteries have __________ and ___________ walls when compared to veins

a)

(a) Thicker; stronger

b)

(b) Thicker; weaker

c)

(c) Thinner; stronger

d)

(d) Thinner; weaker

8.

Which phase of the ECG indicates ventricular excitation and contraction?

a)

(a) P wave

b)

(b) QRS wave

c)

(c) T wave

d)

(d) XYZ wave

9.

What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?

a)

(a) 50 beats per minute

b)

(b) 75 beats per minute

c)

(c) 100 beats per minute

d)

(d) 125 beats per minute

10.

A specialised nodal tissue embedded in the lower corner of the right atrium, close to Atrio-ventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec. This delay allows

a)

(a) the atria to empty completely.

b)

(b) blood to enter aorta.

c)

(c) the ventricles to empty completely.

d)

(d) blood to enter pulmonary arteries.

Body Fluids and Circulation, Quiz 9

Total questions: 10

Worksheet time: 5mins

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