Q. No.An intravascular clot and its fragments are respectively called as:
1. hematoma; thrombosis
2. thrombus; hematoma
3. thrombus; embolus
4. embolus; thrombus
1. hematoma; thrombosis
2. thrombus; hematoma
3. thrombus; embolus
4. embolus; thrombus
The cytoplasmic granules released by thrombocytes during platelet plug formation, which attract more platelets to the plug are:
1. prostacyclin and NO
2. erythropoietin and bilirubin
3. heparin and plasmin
4. ADP and thromboxanes
Coagulation of blood can be prevented by removal of which of the following in the blood?
| 1. | transferrin | 2. | iron |
| 3. | antibodies | 4. | calcium |
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A person comes to the ER with a need of blood transfusion. How would you determine his blood type?
1. By mixing his blood with the blood of another person of known blood type and if there is no reaction they are the same type.
2. By looking at red blood cells under a microscope to see what kind of antigens are on their membranes.
3. By checking to see which plasma antibodies a person has and he won't have antibodies against his own blood type.
4. By mixing the blood with different antibodies to see which ones cause the red blood cells to agglutinate.
An Rh + woman is pregnant with an Rh- fetus. The consequences can be:
| 1. | There is usually no risk during the first pregnancy, but it can harm the fetus during a subsequent pregnancy if the mother is not treated. |
| 2. | It always poses a serious risk to the fetus, even in the first pregnancy. |
| 3. | Only in rare cases is there a risk to the fetus during the first pregnancy. |
| 4. | There is no risk to the fetus when a woman who is Rh+ carries an Rh- fetus. |
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What is true for the blood Type O?
| 1. | It is universal donor because it has neither anti-A antibodies nor anti-B antibodies circulating in the plasma. |
| 2. | It is universal donor because it has neither antigen A nor antigen B on its RBCs. |
| 3. | It is universal recipient because it has neither anti-A antibodies nor anti-B antibodies circulating in the plasma. |
| 4. | It is universal recipient because it has neither antigen A nor antigen B on its RBCs. |
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Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
(I) They do not need to reproduce.
(II) They are somatic cells.
(III) They do not metabolise.
(IV) All their internal space is available for oxygen transport.
1. Only (IV)
2. Only (I)
3. (I), (III) and (IV)
4. (II) and (III)
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
1. Erythrocytes
2. Leucocytes
3. Neutrophils
4. Thrombocytes
Serum differs from blood in
1. lacking globulins
2. lacking albumins
3. lacking clotting factors
4. lacking antibodies
In mammals, which blood vessel would normally carry largest amount of urea?
1. Dorsal aorta
2. Hepatic vein
3. Hepatic portal vein
4. Renal vein
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