Q. No.To begin the blood clot formation cascade, the enzyme complex required is:
1.
Thromboxane A2
2.
Thrombin
3.
Thrombokinase
4.
Heparin
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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 |
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In the nodal tissue of the human heart, a conduction delay is seen in:
| 1. | SA node | 2. | AV node |
| 3. | AV bundle | 4. | Purkinje fibers |
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All vertebrates posses a:
| 1. muscular chambered heart | 2. renal portal system |
| 3. nucleated RBC | 4. double circulation |
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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 |
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With the help of ECG tracings, the heart rate of the person can be calculated by:
1. measuring the size of the PR or PQ interval
2. counting the number of QRS complexes in a given period of time
3. counting the number of T waves between two successive QRS complexes
4. measuring the size of the QRS complexes
Another name for lymph would be:
| 1. | Extra-cellular fluid | 2. | Tissue fluid |
| 3. | Plasma ultrafiltrate | 4. | Serous fluid |
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During ventricular contraction in a cardiac cycle:
| 1. | the AV valves close earlier than the opening of semi lunar vales |
| 2. | the AV valves close earlier than the closure of semi lunar vales |
| 3. | the AV valves close later than the opening of semi lunar vales |
| 4. | the closure of AV valves and opening of semi lunar valves occur simultaneously |
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Match the plasma proteins in Column-I with their function in Column-II and select the correct answer from the codes given:
| Column-I | Column-II | ||
| A. | Albumins | a. | Hemostasis |
| B. | Globulins | b. | Transport carriers and immunity |
| C. | Fibrinogen | c. | Colloid osmotic pressure |
Codes:
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
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Match each item in Column I with one in Column II and select the correct answer from the codes given:
| Column I | Column II | ||
| A. | Mitral valve | a. | Allows blood flow from left atrium to left ventricle |
| B. | Papillary muscles | b. | Does not allow back opening of AV valves during ventricular systole |
| C. | AV node | c. | Ensure all chambers do not contract simultaneously |
| D. | Fibrous band between atrial and ventricular muscle mass | d. | Ensures atria contract before ventricles |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | b | a | d | c |
| 4. | a | b | d | c |
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