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Practice each question, then open the answer or worked solution.
The second heart sound (dubb) is associated with the closure of
a. Tricuspid valve
b. Semilunar valves
c. Bicuspid valve
d. Tricuspid and bicuspid valves.Solution:
Option (b) is the answer.
Solution coming soon.
Which of the following correctly explains a phase/ event in the cardiac cycle
in a standard electrocardiogram?
a. QRS complex indicates atrial contraction.
b. QRS complex indicates ventricular contraction.
c. The time between S and T represents atrial systole.
d. P-wave indicates the beginning of ventricular contraction.
Option (b) is the answer.
Which of the following statements is incorrect?
a. A person of ‘O’ blood group has anti ‘A’ and anti ‘B’ antibodies in
his blood plasma.
b. A person of ‘B’ blood group can’t donate blood to a person of ‘A’
blood group.
c. Blood group is designated based on the presence of antibodies
in the blood plasma.
d. A person of the AB blood group is a universal recipient.
Option (c) is the answer.
What would be the cardiac output of a person having 72 heartbeats per
minute and a stroke volume of 50 ml?
a. 360 mL
b. 3600 mL
c. 7200 mL
d. 5000 mL
Option (b) is the answer.
Match the terms given under Column ‘A’ with their functions given under
Column ‘B’ and select the answer from the options given below:
| Column I Column II
A. Lymphatic System B. Pulmonary vein C. Thrombocytes D. Lymphocytes iv. |
Column II
i. Carries oxygenated blood ii. Immune Response iii. To drain back the tissue fluid to the circulatory system iv. Coagulation of blood |
Options:
a. A-ii, B-i, C-iii, D-iv
b. A-iii, B-i, C-iv, D-ii
c. A-iii, B-i, C-iii, D-iv
d. A-ii, B-i, C-iii, D-iv
Option (b) is the answer.
Read the following statements and choose the correct option
Statement 1: Atria receive blood from all parts of the body which
subsequently flows to ventricles.
Statement 2: Action potential generated at the sino-atrial node passes from
atria to ventricles.
a. Action mentioned in Statement 1 is dependent on action mentioned
in Statement 2
b. Action mentioned in Statement 2 is dependent on action mentioned
in Statement 1
c. Action mentioned in Statements 1 and 2 is independent of each
other.
d. Action mentioned in Statements 1 and 2 is synchronous.
Option (b) is the answer.