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