1. | is a bone marrow stem cells committed to produce RBCs |
2. | is the megakaryocyte |
3. | is the commonest WBC and is phagocytic |
4. | is responsible for acquired immunity in humans |
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) |
Histamine in the blood is secreted by:
1. Mast cells | 2. Macrophages |
3. Eosinophils | 4. Basophils |
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Select the option having all the correct characteristics:
Structure | Percentage | Function | |
1. | |
0.3-0.5 | Phagocytic |
2. | |
0.5-1.0 | Secrete histamine |
3. | |
30-40 | Defense against parasites |
4. | |
30-40 | Allergic reactions |
To unlock all the explanations of this course, you need to be enrolled.
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