Q. No.Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
1. Epinephrine
2. Thrombokinase
3. Thrombin
4. Renin
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Persons with 'AB' blood group are called as "Universal recipients". This is due to:
1. Presence of antibodies, anti-A, and anti-B, on RBCs
2. Absence of antibodies, anti-A, and anti-B, in plasma
3. Absence of antigens A and B on the surface of RBCs
4. Absence of antigens A and B in plasma
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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
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Consider the given two statements:
I. Group O blood can be donated to persons with any other blood group and hence O group individuals are called universal donors.
II. Both anti-A and anti-B antibodies are present in the plasma of a person with blood group O.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
Match terms in Column I with their correct meaning in Column II and select the correct match as your answer from the codes given:
|
COLUMN I |
COLUMN II |
||
|
A |
Cardiac arrest |
P |
When the heart stops beating |
|
B. |
Heart block |
Q |
when the heart beats more slowly or with an abnormal rhythm |
|
C. |
Heart attack |
R |
When the heart muscle is suddenly damaged by an inadequate blood supply |
|
D. |
Heart failure |
S |
When heart is not pumping blood effectively enough to meet the needs of the body |
Codes
|
A |
B |
C |
D |
|
|
1 |
P |
Q |
R |
S |
|
2 |
Q |
P |
R |
S |
|
3 |
R |
S |
Q |
P |
|
4 |
R |
S |
P |
Q |
In a cardiac cycle, both AV valves and the semilunar valves remain closed during
A: Beginning of ventricular systole
B: Beginning of ventricular diastole
| 1. | Only A | 2. | Only B |
| 3. | Both A and B | 4. | Neither A nor B |
Persons with AB blood type can:
| 1. | donate blood to persons with all blood types as neither A nor B antigens are present on their RBCs |
| 2. | receive blood from persons with all blood types as both A and B antigens are present on their RBCs |
| 3. | receive blood from persons with all blood types as neither A nor B antigens are present on their RBCs |
| 4. | receive blood from persons with all blood types as neither anti-A nor anti-B antibodies are present on his blood plasma |
| Column I | Column II | ||
| A | Plasma | P | 45 % of blood |
| B. | Formed elements | Q | 55 % of blood |
| C | Neutrophils | R | 60-65 % of total WBCs |
| D | Lymphocytes | S | 20-25 % of total WBCs |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | Q | P | R | S |
| 4. | P | Q | S | R |
| Assertion (A): | Rh incompatibility related complication does not arise in first pregnancy even if an Rh negative mother is carrying an Rh positive foetus. |
| Reason (R): | Rh antigens are proteins. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
| Assertion (A): | The sino-atrial node is normally the pacemaker of the human heart. |
| Reason (R): | It is the only auto-excitable part of the nodal tissue of the human heart. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
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