Q. No.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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A person with which of the following blood groups can receive blood from a donor of only his/her own blood group?
| 1. O | 2. A |
| 3. B | 4. AB |
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Given below are four statements (a-d) regarding human blood circulatory system:
| (a) | Arteries are thick-walled and have narrow lumen as compared to veins. |
| (b) | Angina is acute chest pain when the blood circulation to the brain is reduced. |
| (c) | Persons with blood group AB can donate blood to any person with any blood group under the ABO system. |
| (d) | Calcium ions play a very important role in blood clotting. |
Which two of the above statements are correct?
| 1. (a) and (b) | 2. (b) and (c) |
| 3. (c) and (d) | 4. (a) and (d) |
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Match the following columns and select the correct option.
| Column I | Column II | ||
| (a) | Eosinophils | (i) | Immune response |
| (b) | Basophils | (ii) | Phagocytosis |
| (c) | Neutrophils | (iii) | Release histaminase, destructive enzymes |
| (d) | Lymphocytes | (iv) | Release granules containing histamine |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (i) | (ii) | (iv) | (iii) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (iii) | (iv) | (ii) | (i) |
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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Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
| 1. Epinephrine | 2. Thrombokinase |
| 3. Thrombin | 4. Renin |
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The deficiency of cynocobalamin or vitamin B12 causes:
| 1. aplastic anemia | 2. pernicious anemia |
| 3. hemolytic anemia | 4. hemorrhagic anemia |
All the following statements regarding coagulation of blood are correct except:
1. Prothrombinase catalyzes the breakdown of prothrombin to thrombin.
2. Thrombin catalyzes the conversion of fibrinogen to fibrin.
3. Antithrombin inactivates thrombin.
4. Heparin causes fibrinolysis.
What is true regarding blood transfusion and compatibility?
1. A-negative blood can probably be safely donated to a person with A-positive blood.
2. Antibodies against the Rh antigen do not develop unless an Rh-positive person is exposed to Rh-negative blood.
3. The largest percentage of people in India are Rh-negative.
4. Rh-negative mothers cannot have an Rh-positive baby.
RhoGAM injection [one brand of Rh immunoglobulin] is given to Rh-negative mothers to:
1. initiate the synthesis of anti-Rh antibodies in the mother.
2. initiate anti-Rh antibody production in the fetus.
3. prevent the mother from producing anti-Rh antibodies.
4. prevent the fetus from producing anti-Rh antibodies.
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