Congestion of -------- is the main symptom of -------.

(1) Blood vessels, Heart failure

(2) Blood vessels, Cardiac Arrest

(3) Lungs, Heart failure

(4) Blood vessels, Angina

Subtopic:  ECG & Coronary Artery Disease |
 75%
From NCERT
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The value of beat volume is

(1) 5L

(2) 70 mL

(3) 140 mL

(4) 90 mL

Subtopic:  Human Heart: Cardiac Cycle |
 76%
From NCERT
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The tricuspid and bicuspid Valves are closed because of

(1) Atrial systole

(2) Attempted backflow of blood into the atria

(3) Ventricular relaxation

(4) Ventricular filling

Subtopic:  Human Heart: Cardiac Cycle |
 85%
From NCERT
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Arrange the following events in a proper sequence.

i) Increased ventricular pressure

ii) Attempted backflow of blood into the atria

iii) Ventricular systole

iv) Closure of AV valves

1. i)-ii)-iii)-iv)

2. ii)-i)-iii)-iv)

3. iii)-i)-ii)-iv)

4. i)-iii)-ii)-iv)

Subtopic:  Human Heart: Cardiac Cycle |
 63%
From NCERT
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SAN is responsible for

(1) initiating and maintaining a random contractile ability of heart

(2) initiating and maintaining a rhythmic contractile ability of heart

(3) maintaining a random contractile ability of heart

(4) Initiating a rhythmic contractile ability of heart

Subtopic:  Human Heart: Gross Anatomy |
 88%
From NCERT
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Semilunar valves are found between

(1) left ventricle and aorta

(2) right ventricle and pulmonary artery

(3) left ventricle and pulmonary vein

(4) both 1 and 2

Subtopic:  Human Heart: Gross Anatomy |
 84%
From NCERT
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Bicuspid valves are present between

(1) left atria and aorta

(2) right atria and pulmonary artery

(3) left atria and left ventricle

(4) right atria and right ventricle

Subtopic:  Human Heart: Gross Anatomy |
 91%
From NCERT
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Tricuspid Valves are present between

(1) left atria and aorta

(2) right atria and right ventricle

(3) left atria and left ventricle

(4) both 1 and 2

Subtopic:  Human Heart: Gross Anatomy |
 94%
From NCERT
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Platelets are formed from-

(1) Megakaryoblast

(2) Megakaryocyte

(3) Macrokaryoblast

(4) Macrophages

Subtopic:  Blood: Blood Clotting |
 93%
From NCERT
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------- population has Rh----- on the surface of ------ present in their -------.

(1) 20 %, antigen, platelets, plasma

(2) 80 %, antigen, RBC, blood

(3) 80 %, antibody, platelet, plasma

(4) 20 %, antibody, RBC, blood

Subtopic:  Blood: Blood Group |
 90%
From NCERT
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