The life span of the erythrocytes in humans is about
| 1. | 120 days | 2. | 150 days |
| 3. | 190 days | 4. | 180 days |
_________ is known as the graveyard of RBCs.
| 1. | Liver | 2. | Spleen |
| 3. | Pancreas | 4. | Bone marrow |
Haemoglobin is
| 1. | an oxygen carrier in human blood | 2. | a protein used as food supplement |
| 3. | an oxygen scavenger in root nodules | 4. | a plant protein with high lysine content |
The transport of respiratory gases is taken care by which blood component?
| 1. | RBC | 2. | WBC |
| 3. | Platelets | 4. | Fibrinogen |
Oxygen carrier in human blood is
| 1. | Carbonic anhydrase | 2. | Haemoglobin |
| 3. | Haemocyanin | 4. | Both (1) & (3) |
The number of RBC in a healthy individual are:
| 1. | 5 million to 5.5 million RBCs |
| 2. | 5 billion to 5.5 billion RBCs |
| 3. | 1 million to 1.5 million RBCs |
| 4. | 1 billion to 1.5 billion RBCs |
Serum differs from blood in
| 1. | lacking globulins | 2. | lacking albumins |
| 3. | lacking clotting factors | 4. | lacking antibodies |
B and T forms, responsible for the immune response are the type of:
| 1. | Thrombocytes | 2. | Lymphocytes |
| 3. | Eosinophils | 4. | Granulocytes |
Hemoglobin in healthy individual:
| 1. | 12–20 g/10 mL of blood | 2. | 12–14 g/100 mL of blood |
| 3. | 12–30 g/10 mL of blood | 4. | 12–14 g/10 mL of blood |
How much percentage of water present in plasma?
| 1. | 6-8% | 2. | 90-92% |
| 3. | 8-10% | 4. | 55% |