Which one of the following is correct?
| 1. | Serum = Blood + Fibrinogen |
| 2. | Lymph = Plasma + RBC + WBC |
| 3. | Blood = Plasma + RBC + WBC + Platelets |
| 4. | Plasma = Blood – Lymphocytes |
| Blood cell | Characteristics | |
| 1. | Basophils | Secrete serotonin |
| 2. | B-lymphocytes | form about 20% of blood cells involved in immune response |
| 3. | Neutrophils | Most abundant blood cells, phagocytic |
| 4. | Monocytes | Life spans 3 days, produce antibodies |
Which one of the following human organs is often called the "graveyard" of RBCs?
| 1. | Kidney | 2. | Spleen |
| 3. | Liver | 4. | Gall bladder |
The haemoglobin content per 100 ml of blood of a normal healthy human adult is:
| 1. | 25-30 g | 2. | 17-20g |
| 3. | 12-16 g | 4. | 5-11 |
There is no DNA in:
| 1. | an enucleated ovum | 2. | mature RBCs |
| 3. | a mature spermatozoan | 4. | hair root |
Globulins contained in human blood plasma are primarily involved in:
| 1. | defence mechanisms of body |
| 2. | osmotic balance of body fluids |
| 3. | oxygen transport in the blood |
| 4. | clotting of blood |
Which one of the following mammalian cells is not capable of metabolizing glucose to carbon dioxide aerobically?
| 1. | White blood cells | 2. | Unsatiated muscle cells |
| 3. | Liver cells | 4. | Red blood cells |
Examination of the blood of a person suspected of having anaemia, shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following, is likely to alleviate his symptoms?
| 1. | Thiamine | 2. | Folic acid and cobalamine |
| 3. | Riboflavin | 4. | Iron compounds |