Q. No.Person with blood group AB is considered as universal recipient because he has
1. Both A and B antigens on RBC but no antibodies in the plasma
2. Both A and B antibodies in the plasma
3. No antigen on RBC and antibody in the plasma
4. Both A and B antigens in the plasma but no antibodies.
1. Both A and B antigens on RBC but no antibodies in the plasma
2. Both A and B antibodies in the plasma
3. No antigen on RBC and antibody in the plasma
4. Both A and B antigens in the plasma but no antibodies.
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How do parasympathetic neural signals affect the working of the heart?
1. Reduce both heart rate and cardiac output
2. Heart rate is increased without affecting the cardiac output
3. Both heart rate and cardiac output increase
4. Heart rate decreases but cardiac output increases
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Consider the following statements:
I. Heparin can be used as anticoagulant both in-vivo and in vitro.
II. Plasmin prevents thrombus formation.
III. Lack of factor IX causes hemophilia B.
Which of the above statements are true?
1. I and II only 2. I and III only
3. II and III only 4. I, II, and III
Consider the following statements:
| I: | 70% of ventricular filling is due to the passive opening of AV valves. |
| II: | Lub is caused by the simultaneous closure of both AV valves. |
| III: | Dub is caused by simultaneous closure of both the semilunar valves. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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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
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Blood pressure in the mammalian aorta is maximum during
1. systole of the left atrium
2. diastole of the right ventricle
3. systole of the left ventricle
4. diastole of the right atrium
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Which one of the following is correct?
1. Plasma = Blood - Lymphocytes
2. Serum = Blood + Fibrinogen
3. Lymph = Plasma + RBC + WBC
4. Blood = Plasma + RBC + WBC + Platelets
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The diagram given here is the standard ECG of a normal person. The P-wave represents the
1. contraction of both the atria
2. initiation of the ventricular contraction
3. beginning of the systole
4. end of the systole
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A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
1. Blood group B
2. Blood group AB
3. Blood group O
4. Blood group A
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