The least common of WBCs in the human blood are:

1. Eosinophils 2. Lymphocytes
3. Neutrophils 4. Basophils

Subtopic:  Blood: White Blood Cells |
 85%
From NCERT
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Which of the following is not represented on an ECG of a healthy individual?
1. Ventricular depolarization
2. Ventricular repolarization
3. Atrial depolarization
4. Atrial repolarization
Subtopic:  ECG & Coronary Artery Disease |
 83%
From NCERT
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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 |
 76%
From NCERT
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Blood enters the heart because muscles of the:

1. ventricles relax 2. ventricles contract
3. atria relax 4. atria contract
Subtopic:  Human Heart: Double Circulation |
 69%
From NCERT
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Under normal physiological conditions, when compared to pulmonary circulation:
1. the amount of blood circulated in systemic circulation is more
2. the amount of blood circulated in systemic circulation is less
3. the pressure of blood circulated in systemic circulation is more
4. the pressure of blood circulated in systemic circulation is less

Subtopic:  Human Heart: Double Circulation |
 59%
From NCERT
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What would be the approximate volume of blood pumped by both ventricles under normal resting physiological conditions in a healthy human adult?

 
1. 10 L 2. 8 L
3. 5 L 4. 2.5 L

Subtopic:  Human Heart: Double Circulation |
From NCERT
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The portal systems seen in humans include:
I: Hepatic portal system
II: Renal portal system
III: Hypothalamic Hypophyseal portal system

1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Human Heart: Double Circulation |
 52%
From NCERT
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When the heart muscle is suddenly damaged by an inadequate blood supply, the condition is called as:

 
1. Heart failure 2. Heart block
3. Heart attack 4. Cardiac arrest

Subtopic:  ECG & Coronary Artery Disease |
 75%
From NCERT
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Passive filling accounts for about what percent of ventricular filling?

1. 30 2. 50
3. 70 4. 90
Subtopic:  Human Heart: Double Circulation |
 69%
From NCERT
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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 |
 58%
From NCERT
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