Which of the following statement is true?

1.  Cardiac output of an athlete is much lower than that of an ordinary man.

2.  In each minute a single cardiac cycle is performed.

3.  ECG are of no clinical diagnostic significance.

4.  Cardiac cycle includes Auricular systole, ventricular systole, and joint diastole/complete diastole.

Subtopic:  Human Heart: Cardiac Cycle |
 87%
From NCERT
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Consider the following events during a cardiac cycle:
I. Closure of the AV valves
II. Opening of the semilunar valves

These events occur during:

1. Atrial diastole

2. Atrial systole

3. Ventricular diastole

4. Ventricular systole

Subtopic:  Human Heart: Cardiac Cycle |
 77%
From NCERT
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When the heart suddenly stops beating, the condition is called as:

1. CAD

2. Heart failure

3. Cardiac arrest

4. Heart attack

Subtopic:  Atherosclerosis, Hypertension & Ventricular Fibrillation |
 84%
From NCERT
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When the plasma of a person has both anti A and anti B antibodies the blood group of this person would be:

1.  A

2.  B

3.  AB

4.  O

Subtopic:  Blood: Blood Group (A,B,O) |
 77%
From NCERT
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In ECG the ventricular contraction occurs

1.  Just after P wave and before Q wave.

2.  Just after Q wave but before T wave.

3.  In between S-T segment.

4.  After the end of T wave.

Subtopic:  ECG & Coronary Artery Disease |
 77%
From NCERT
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'Erythroblastosis Foetails' occurs when:

I.   Mother is Rh+ and foetus is Rh-.

II.  Mother is Rh- and foetus is Rh+.

III. Mother and foetus both are Rh+.

IV.  Mother and foetus both are Rh-.

1.  I & II

2.  Only I

3.  Only II

4.  II, III & IV

Subtopic:  Blood: Blood Group |
 80%
From NCERT
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Match the items given in Column I with those in Column II and select the correct option given below: 

Column I Column II
(a) Tricuspid valve  (i) Between left atrium and left ventricle 
(b) Bicuspid valve (ii) Between right ventricle and pulmonary artery 
(c) Semilunar valve (iii) Between right atrium and right ventricle
 
Options: (a) (b) (c)
1. iii i ii
2. i iii ii
3. i ii iii
4. ii i iii
Subtopic:  Human Heart: Gross Anatomy |
 80%
From NCERT
NEET - 2018
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Match the items given in Column I with those in Column II and select the correct option given below:

Column I Column II
a. Fibrinogen i. Osmotic balance
b. Globulin ii. Blood clotting
c. Albumin iii. Defence mechanism
 
a b c
1. iii ii i
2. i ii iii
3. i iii ii
4. ii iii i
Subtopic:  Blood: General Description & RBC: Part 1 | Blood: General Description & RBC |
 92%
From NCERT
NEET - 2018
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'Bundle of His' is a part of which one of the following organs in humans?

1.  Heart

2.  Kidney

3.  Pancreas

4.  Brain

Subtopic:  Rhythmic Excitation of Human Heart: Part 1 |
 97%
From NCERT
AIPMT - 2011
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Which one of the following plasma proteins is involved in the coagulation of blood?

1.  Serum amylase

2.  A globulin

3.  Fibrinogen

4.  Albumin

Subtopic:  Blood: Blood Clotting |
 94%
From NCERT
AIPMT - 2011
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