Q. No.Normal activities of the human heart are regulated:
1. Intrinsically
2. By the autonomic nervous system
3. By the brain stem
4. By the diencephalon
A decrease in plasma albumin levels is likely to affect:
| 1. | Clot formation | 2. | Oxygenation of hemoglobin |
| 3. | Osmotic balance | 4. | Immune functions |
There is a possibility of exposure of the maternal blood [of Rh -ve mother] to small amounts of Rh +ve blood from the fetus during the:
| 1. | First trimester of any pregnancy |
| 2. | Third trimester of the second pregnancy only |
| 3. | Delivery of the child |
| 4. | There is no such possibility |
Congestion of the lungs is one of the main symptoms in:
1. Hypotension
2. Coronary artery disease
3. Angina
4. Heart failure
The right atria of the human heart receive:
1. Oxygenated blood
2. Deoxygenated blood
3. Arterial blood
4. Venous blood
The following is the diagrammatic representation of standard ECG. Identify the correct statement :
| 1. | P is caused by atrial repolarization. |
| 2. | Q, when present, always shows myocardial ischemia. |
| 3. | QRS complex is due to time taken by impulse from SA node to AV node. |
| 4. | T is caused by ventricular repolarization. |
In the given section of the human heart which part ensures that atria contact prior to the ventricles?
1. A
2. B
3. C
4. D
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
1. Erythrocytes
2. Leucocytes
3. Neutrophils
4. Thrombocytes
Serum differs from blood in
| 1. | lacking globulins | 2. | lacking albumins |
| 3. | lacking clotting factors | 4. | lacking antibodies |
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