Blood is a vital fluid that circulates throughout the body and performs numerous functions. It consists of red blood cells, white blood cells, platelets, and plasma. Its primary roles include transporting oxygen and nutrients, removing waste products, aiding in immune responses, and maintaining fluid balance.
Here is the list of questions related to Blood:
1. The specific gravity of whole blood varies from:
a. 1.025 to 1.030
b. 1.005 to 1.010
c. 1.055 to 1.060
d. 1.015 to 1.020
Correct Answer – c
2. The approximate percentage of total amount of protein in human blood is:
a. 15.5%
c. 7.5%
b. 10.5%
d. 20.5%
Correct Answer – c
3. The albumin-globulin ratio ordinarily is:
a. 2.5: 0.5
b. 1.5: 1
C. 4: 3
d. 5: 2.5
Correct Answer – b
4. The total amount of serum albumin is:
a. 4.7 to 5.7%
b. 1.3 to 2.5%
c. 0.2 to 0.4%
d. 0.1 to 0.2%
Correct Answer – a
5. The substance prepared from leucocytes, which are necessary for tissue cell growth in culture, are:
a. Globulin
b. Albumin
c. Seromucoid
d. Trephines
Correct Answer – d
6. The pH of blood varies between:
a. 7.36 and 7.45
b. 7.26 and 7.36
c. 7.45 and 7.60
d. 7.15 and 7.25
Correct Answer – a
7. The normal clotting time in siliconised tube is:
a. 9 to 15 minutes
b. 5 to 10 minutes
c. 15 to 20 minutes
d. 19 to 60 minutes
Correct Answer – d
8. An approximate prothrombin time is:
a. 5 to 10 seconds
b. 11 to 16 seconds
c. 1 to 2 seconds
d. 2 to 6 seconds
Correct Answer – b
9. Vitamin K deficiency leads to:
a. Decrease synthesis of factor Xl and factor XII
b. Decrease synthesis of factor I and factor II
c. Decrease synthesis of factor VII and prothrombin
d. None of the above
Correct Answer – c
10. The ratio of WBC : RBC is
a. 1: 17
c. 1: 700
b. 1: 70
d. 1: 7000
Correct Answer – c
11. The mean corpuscular thickness is:
a. 0.5 to 1 μm
b. 2.1 to 2.2 μm
c. 3 to 4 μm
d. 4 to 5 μm
Correct Answer – a
12. The normal range of saturation index is:
a. 0.1 to O 3
b. 0.2 to 0.5
c. 0.7 to 0.8
d. 0.9 to 1.1
Correct Answer – d
13. In platelet serotonin is secreted from:
a. Alpha granules
b. Syndesmosomes
c. Very dense granules
d. Glycogen granules
Correct Answer – c
14. The paternity test for confirmation which is prominently used in medicolegal cases are:
a. M and N factors
b. ABO blood group
c. Rh blood group system
d. None of the above
Correct Answer – a
15. Routine blood storage is ……. for stored packed red blood cells.
a. 42 days
c. 20 days
b. 4 days
d. 2 days
Correct Answer – a
16. Enormous exposure to X-ray or y-ray can lead to:
a. Iron deficiency anaemia
b. Aplastic anaemia
c. Megaloblastic anaemia
d. Thalassaemia
Correct Answer – b
17. The osmotic fragility of red blood cells in healthy individual:
a. Starts at 0.48%, ends at 0.33%
b. Starts at 0.65%, ends at 0.48%
c. Starts at 0.35%, ends at 0.20%
d. Starts at 0.10%, ends at 0.15%
Correct Answer – a
18. Microcytic hypochromic anaemia is seen in:
a. Iron deficiency anaemia
b. Pernicious anaemia
c. Megaloblastic anaemia
d. All of the above
Correct Answer – a
19. The deficiency of factors V, VII and leads to:
a. Haemophilia B
b. Haemophilia C
c. Haemophilia A
d. Pseudohaemophilia
Correct Answer – d
20. Erythrocyte in newborn is:
a. 5-6 mm per hour
b. 3-4 mm per hour
c. 0-2.0 mm per hour
d. 2-3 mm per hour
Correct Answer – c
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