Body Fluids Quiz


How do parasympathetic neural signals affect the working of the heart? …

a) Both heart rate and cardiac output increase.

b) Heart rate decreases but cardiac output increases.

c) Reduce both heart rate and cardiac output.

d) Heart rate is increased without affecting the cardiac output

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?

(a) They do not need to reproduce

(b) They are somatic cells

(c) They do not metabolize

(d) All their internal space is available for oxygen transport

a) Only (d)

b) Only (a)

c) (a), (c) and (d)

d) (b) and (c)

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?

a) Serum globulins

b) Fibrinogin in plasma

c) Serum albumins

d) Haemocyte

Pace maker is situated in heart .. ..

a) in the wall of right atrium

b) On interauricular septum

c) On interventricular septum

d) In the wall of left atrium

Blood transfusion is possible between groups .. ..

a) Donor A and recipient O

b) Donor B and recipient A

c) Donor AB and recipient O

d) Donor A and recipient AB

Blood pressure in the mammalian aorta is maximum during:

a) Diastole of the right atrium

b) Systole of the left atrium

c) Diastole of the right ventricle

d) Systole of the left ventricle

Which one of the following is correct? …

a) Blood = Plasma + RBC + WBC + Platelets

b)Plasma = Blood + Lymphocytes

c) Serum = Blood + Fibrinogen

d) Lymph = Plasma + RBC + WBC

standard ECG of a normal person. The P-wave represents the …

Contraction of both the atria

b) Initiation of the ventricular contraction

c) Beginning of the systole

d) End of systole

Person with blood group AB is considered as universal recipient because he has:

a) no antigen on RBC and no antibody in the plasma.

b) both A and B antigens in the plasma but no antibodies.

c) both A and B antigens on RBC but no antibodies in the plasma.

d) both A and B antibodies in the plasma

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

a) Neutrophils

b) Thrombocytes

c) Erythrocytes

d) Leucocytes

Doctors use stethoscope to hear the sound; produced during each cardiac cycle. The second sound is heard when

a) AV node receives signal from SA node

b) AV valves open up

c) Ventricular walls vibrate due to gushing of blood from atria

d) Semilunar valves close down after the blood flows into vessels from ventricles


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