Q. No.Ventricular contraction is in command of :
1. S.A. Node
2. A.V. Node
3. Purkinje fibers
4. Papillary muscles
1. S.A. Node
2. A.V. Node
3. Purkinje fibers
4. Papillary muscles
Which of following occurs in maximum concentration in blood plasma (ECF):
| 1. | \(K^+\) | 2. | \(Mg^{+2}\) |
| 3. | \(Ca^{+2}\) | 4. | \(Na^+\) |
Agglutination occurs in blood present in a test tube. This indicates:
| 1. | Antibodies are present in plasma |
| 2. | Antigens are present on R.B.C. |
| 3. | Antigens are present in plasma |
| 4. | Antibodies are present on R.B.C |
At which point, the pulmonary artery is different from the pulmonary vein:
1. Its lumen is broad
2. Its wall is thick
3. It has valves
4. It does not possess endothelium
The reason why hair loss is more in old age:
| 1. | Reduction of blood supply |
| 2. | Decrease in protein synthesis |
| 3. | Low energy production |
| 4. | Reduced storage of glycogen |
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Erythroblastosis fetalis is caused when:
| 1. | Rh– female & Rh+ male |
| 2. | Rh+ female & Rh– male |
| 3. | Rh+ female & Rh+ male |
| 4. | Rh– female & Rh– male |
Which statement is true for WBC:
| 1. | Non-nucleated |
| 2. | In deficiency cancer is caused |
| 3. | Manufactured in the thymus |
| 4. | Can squeeze through blood capillaries |
Impulse of heartbeat originates from:
1. S.A. Node
2. A. V. Node
3. Vagus Nerve
4. Cardiac Nerve
Continuous bleeding from an injured part of the body is due to a deficiency of:
| 1. | Vitamin -A | 2. | Vitamin - B |
| 3. | Vitamin - K | 4. | Vitamin - E |
Which of the following statements is true?
Lymph contains:
| 1. | WBCs and serum |
| 2. | All components of blood except RBCs and some proteins |
| 3. | RBCs, WBCs, and plasma |
| 4. | RBCs, proteins, and platelets |
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