Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 

Assertion (A): The left ventricle pumps the blood with greater force than the right ventricle.
Reason (R): The left ventricle pumps more blood than the right ventricle during each contraction.


In the light of the above statements choose the correct answer from the options given below: 

1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.

Subtopic:  Human Heart: Cardiac Cycle |
 54%

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The second largest constituent of plasma is:
1. Water
2. Proteins
3. Glucose
4. Hormones

Subtopic:  Blood: General Description & RBC |
 87%
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A person with which of the following blood groups can receive blood from a donor of only his/her own blood group?

1. O 2. A
3. B 4. AB
Subtopic:  Blood: Blood Group (A,B,O) |
 82%
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Certain factors that can initiate coagulation of blood can be released by:

I: Platelets in the blood
II: Tissues at the site of injury
III: Liver
 
1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Blood: Blood Clotting |
 64%
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Interstitial fluid resembles plasma in the same distribution of:
1. Formed elements
2. Proteins
3. Minerals
4. Enzymes

Subtopic:  Blood: General Description & RBC |
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All terrestrial vertebrates possess:
1. A muscle or elastic membrane to increase thoracic volume
2. A renal portal system
3. A skin that does allow diffusion of gases
4. At least a three chambered heart

Subtopic:  Human Heart: Double Circulation |
 61%
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What separates the right and the left atria in the human heart?

1.A thin muscular wall2.A thick muscular wall
3.A thin fibrous membrane4.A thick fibrous membrane

Subtopic:  Human Heart: Gross Anatomy |
 61%
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A tricuspid valve will prevent flow of blood from:
1. Right atrium to right ventricle
2. Right ventricle to right atrium
3. Left atrium to left ventricle
4. Left ventricle to left atrium

Subtopic:  Human Heart: Cardiac Cycle |
 59%
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Purkinje fibers are:

1. Intrinsic neural fibers in the ventricles
2. Muscle fibers that interconnect SA node and AV node
3. Muscle fibers that are distributed in the ventricular musculature
4. Neural fibers that spread the impulse throughout the ventricular muscle mass
Subtopic:  Human Heart: Gross Anatomy |
 72%
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All the following statements regarding joint diastole phase of the cardiac cycle are correct except:

1. All chambers are in a relaxed state
2. The AV valves may remain closed in the initial period
3. Ventricles get filled in the later part
4. Semilunar valves remain open
Subtopic:  Human Heart: Cardiac Cycle |
 67%
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