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. |
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 |
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) |
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
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
| 1. | Epinephrine | 2. | Thrombokinase |
| 3. | Thrombin | 4. | Renin |
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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