Q. No.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
Options:
(a)
(b)
(c)
(d)
1.
(iv)
(i)
(ii)
(iii)
2.
(i)
(ii)
(iv)
(iii)
3.
(ii)
(i)
(iii)
(iv)
4.
(iii)
(iv)
(ii)
(i)
Identify the incorrectly matched pair:
|
1. |
Most abundant plasma protein |
Albumin |
|
2. |
Most abundant agranulocyte in blood |
Neutrophil |
|
3. |
Most abundant circulating antibody |
IgG |
|
4. |
Second most abundant formed elements in blood |
Thrombocytes |
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At which point, the pulmonary artery is different from the pulmonary vein:
1. Its lumen is broad
2. Its wall is thick
3. It has valves
4. It does not possess endothelium
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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 activities of the human heart can be regulated through the autonomic nervous system by a special neural center located in:
| 1. | Medulla oblongata | 2. | Hypothalamus |
| 3. | Mid brain | 4. | Cerebrum |
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The functions of spleen include all of the following except:
1. Mechanical filtration of red blood cells.
2. Production of all types of blood cells during fetal life
3. Storage of red blood cells, lymphocytes and other formed elements.
4. Suppression of cell mediated and humoral immune responses
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In the nodal tissue of the human heart, the highest conduction velocity is seen in:
| 1. Internodal pathway | 2. AV node |
| 3. AV bundle or Bundle of His | 4. Purkinje fibers |
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State of the heart when it is not pumping blood effectively to meet needs of body is called as:
| 1. Heart attack | 2. Heart block |
| 3. Cardiac arrest | 4. Heart failure |
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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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