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 |
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
Match the items given in Column I with those in Column II and select the correct option given below:
Column I | Column II | ||
a. | Tricuspid valve | (i) | Between left atrium and left ventricle |
b. | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
c. | Semilunar valve | (iii) | Between right atrium and right ventricle |
a | b | c | |
1. | iii | i | ii |
2. | i | iii | ii |
3. | i | ii | iii |
4. | ii | i | iii |
Arteries are best defined as the vessels which
1. carry blood away from the heart to different organs
2. break up into capillaries which reunite to form a vein
3. carry blood from one visceral organ to another visceral organ
4. supply oxygenated blood to the different organs
The hepatic portal vein drains blood to liver from:
1. Stomach | 2. Kidneys |
3. Intestine | 4. Heart |
Which of the following sequence is correct in terms of abundance?
1. Neutrophils > Lymphocytes > Monocytes > Eosinophils > Basophils
2. Neutrophils > Lymphocytes < Monocytes > Eosinophils > Basophils
3. Neutrophils < Lymphocytes > Monocytes > Eosinophils > Basophils
4. Neutrophils > Lymphocytes > Monocytes < Eosinophils > Basophils
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) |
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 |
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 |