Q. No.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
The least common of WBCs in the human blood are:
| 1. | Eosinophils | 2. | Lymphocytes |
| 3. | Neutrophils | 4. | Basophils |
The enzyme that activates fibrinogens in the blood is:
| 1. | Thromboplastin | 2. | Thrombokinase |
| 3. | Thrombin | 4. | Plasmin |
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 |
The period of systole is represented on surface ECG as between:
1. Beginning of P wave and beginning of Q wave
2. End of S wave and beginning of T wave
3. Shortly after Q wave and end of the T wave
4. Two successive R waves
Identify the incorrectly matched pair:
1. Average duration of a cardiac cycle: 0.8 sec
2. Stroke volume of each ventricle: 120 ml
3. Highest normal systolic blood pressure: 140 mm Hg
4. Highest normal diastolic blood pressure: 90 mm Hg
A person has type A antigen on RBC and anti-B antibodies in plasma. He can receive blood from a person with blood group:
| 1. | A and O | 2. | AB, A, B and O |
| 3. | B and O | 4. | Only O |
To prevent eryhtroblastosis fetalis in future pregnancies:
| 1. | Anti-Rh Immunoglobulins must be given to Rh –ve mothers at the time of each delivery |
| 2. | Anti-Rh Immunoglobulins must be given to new born at the time of each delivery |
| 3. | Rh Antigens must be given to new born at the time of each delivery |
| 4. | Anti Antigens must be given to Rh –ve mothers at the time of each delivery |
Another name for lymph would be:
| 1. | Extra-cellular fluid | 2. | Tissue fluid |
| 3. | Plasma ultrafiltrate | 4. | Serous fluid |
The first heart sound is heard during:
| 1. | beginning of ventricular systole |
| 2. | end of ventricular systole |
| 3. | atrial systole |
| 4. | ventricular ejection |
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