Match each item in Column I with one in Column II and select the correct answer from the codes given:

Column I Column II
A. Heart failure a. Lowered ejection fraction of a ventricle
B. Heart attack b. Damage to the cardiac muscle
C. Heart block c. Abnormal delay in conduction in nodal tissue
D. Cardiac arrest d. Sudden stoppage of the heart

Codes

A B C D
1. a b c d
2. b a c d
3. b a d c
4. a d b c

Subtopic:  ECG & Coronary Artery Disease |
 78%
From NCERT
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Cardiac activity could be moderated by the autonomic nervous system. Tick the correct answer:
1. The parasympathetic system stimulates heart rate and stroke volume
2. The sympathetic system stimulates heart rate and stroke volume
3. The parasympathetic system stimulates heart rate but decreases stroke volume
4. The sympathetic system stimulates heart rate but decreases stroke volume

Subtopic:  Regulation of Cardiac Activity |
 80%
From NCERT
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An Rh –ve person, when exposed to Rh +ve blood:

1. will form antibodies against the Rh antigen
2. will be unaffected
3. will form antibodies against the Rh antigen only on second exposure
4. will receive anti Rh antibodies from the donor
Subtopic:  Blood: Blood Group (A,B,O) |
 80%
From NCERT
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Identify the incorrectly matched pair:

1. Plasma protein 6 to 8 %
2. Formed elements  55% of the blood
3. Hemoglobin  12 to 16 gm in 100 ml of blood
4. Platelets  150000 to 350000 mm-3
Subtopic:  Blood: General Description & RBC |
 81%
From NCERT
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When anti B antibodies are present in the plasma and A antigens on the surface of RBCs of a person, her blood group can be:

 
1. A and AB 2. Only A
3. Only B 4. O
Subtopic:  Blood: Blood Group |
 88%
From NCERT
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Inter-atrial septum in the human heart is:

 
1. a thin muscular wall 2. a thick muscular wall
3. a thin membranous wall 4. a thick membranous wall
Subtopic:  Human Heart: Gross Anatomy |
 78%
From NCERT
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The second heart sound [dub] is associated with simultaneous closure of:

1. Right AV and pulmonary semilunar valve
2. Left AV and aortic semilunar valve
3. Right and left AV valves
4. Right and left semilunar valves
Subtopic:  Human Heart: Cardiac Cycle |
 86%
From NCERT
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The least common of WBCs in the human blood are:

 
1. Eosinophils 2. Lymphocytes
3. Neutrophils 4. Basophils
Subtopic:  Blood: White Blood Cells |
 85%
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The enzyme that activates fibrinogens in the blood is:

1. Thromboplastin 2. Thrombokinase
3. Thrombin 4. Plasmin
Subtopic:  Blood: Blood Clotting |
 74%
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Which of the following recordings of blood pressure in a healthy person will be considered as normal?

1. 150/80 mmHg 2. 110/70 mmHg
3. 120/96 mmHg 4. 180/110 mmHg
Subtopic:  Blood: General Description & RBC |
 57%
From NCERT
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