Which of the following cells do not exhibit phagocytotic activity?

1. Monocytes

2. Neutrophil

3. Basophil

4. Macrophage

Subtopic:  Blood: General Description & RBC |
 85%
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One of the common symptoms observed in people infected with dengue fever is

1. significant decrease in RBCs count

2. significant decrease in WBC count

3. significant decrease in platelets count

4. significant increase in platelets count

Subtopic:  Blood: General Description & RBC |
 74%
From NCERT
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Which among the followings is correct during each cardiac cycle?
 

1. The volume of blood pumped out by the Right and Left ventricles is same
2. The volume of blood pumped out by the Rt and Lt ventricles is different
3. The volume of blood received by each atrium is different
4. The volume of blood received by the aorta and pulmonary artery is different

Subtopic:  Human Heart: Cardiac Cycle |
 67%
From NCERT
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Cardiac activity could be moderated by the autonomous neural 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 decreases the heart rate but increase stroke volume
4. The sympathetic system decreases the heart rate but increase stroke volume

Subtopic:  Regulation of Cardiac Activity |
 74%
From NCERT
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Mark the pair of substances among the following which is essential for coagulation of blood.

1. heparin and calcium ions

2. calcium ions and platelet factors

3. oxalates and citrates

4. platelet factors and heparin

Subtopic:  Blood: Blood Clotting |
 79%
From NCERT
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ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.

1. Depolarisation of atria

2. Repolarisation of atria

3. Depolarisation of ventricles

4. Repolarisation of ventricles

Subtopic:  ECG & Coronary Artery Disease |
 84%
From NCERT
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Which of the following type of cells lack a nucleus?

1. Lymphocyte

2. Neutrophils

3. Eosinophils

4. Erythrocytes

Subtopic:  Blood: General Description & RBC |
 92%
From NCERT
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Which one of the following blood cells is involved in antibody production.

1. B-lymphocytes

2. T-lymphocytes

3. RBC

4. neutrophils

Subtopic:  Blood: White Blood Cells |
 70%
From NCERT
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The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is

1. 

2. 

3.

4.

SA Node

SA Node

SA Node

SA Node

AV Node

Purkinje fiber

AV Node

Purkinje fiber

Purkinje fiber

AV Node

AV Bundle

AV Bundle

AV Bundle

AV Bundle

Purkinje fiber

AV Node

Subtopic:  Human Heart: Cardiac Cycle |
 80%
From NCERT
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Agranulocytes responsible for the immune response of the body are:

1. basophils

2. neutrophils

3. eosinophils

4. lymphocytes

Subtopic:  Blood: White Blood Cells |
 88%
From NCERT
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