Q. No.Vagotomy [cutting of vagus nerve] would lead to:
1. reduced heart rate
2. increased heart rate
3. reduced strength of contraction
4. increased secretion of acetylcholine
1. reduced heart rate
2. increased heart rate
3. reduced strength of contraction
4. increased secretion of acetylcholine
The cardiovascular system is located in:
1. cerebral cortex
2. thalamus
3. basal nuclei
4. medulla oblongata
The liquid portion of the blood with fibrinogen and some of the clotting proteins removed is
1. plasma.
2. platelets.
3. plasma proteins.
4. serum
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Pernicious anemia is an example of
1. hypochromic anemia.
2. nutritional anemia.
3. hemorrhagic anemia.
4. hemolytic anemia.
Identify the incorrectly matched pair:
1. nutritional anemia – cynocobalamin deficiency
2. eosinophilia – worm infestations
3. hemorrhagic anemia - large blood loss
4. thrombocytopenia - greatly increased platelets
What cells remove the old, damaged, or defective erythrocytes from the blood?
1. NK cells.
2. Dendritic cells.
3. macrophages.
4. monocytes.
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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.
Identify a very important thrombolytic amongst the following:
1. warfarin
2. heparin
3. oxalates and citrates
4. t-PA
Which of these statements about the ABO blood group is NOT true?
| 1. | A person with type O blood can donate blood to individuals with type A, B, AB, or O blood types. |
| 2. | Transfusions should be made considering the plasma of the donor and the erythrocytes of the patient (recipient). |
| 3. | A person with type A blood should not receive a transfusion from someone with type AB blood. |
| 4. | A person with type O blood has both the A and B antigens. |
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The agglutinogens [antigens] and the agglutinins [antibodies] for the ABO blood group are found respectively:
1. on the erythrocytes, on the leukocytes
2. on the erythrocytes, in the plasma
3. on the leukocytes, in the plasma
4. in the plasma, on the erythrocytes
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