Q. No.In humans, blood passes from the post caval to the diastolic right atrium of heart due to:
1. pushing open of the venous valves
2. suction pull
3. stimulation of the sino auricular node
4. pressure difference between the caval and atrium
A drop of each of the following is placed separately on four slides. Which of them will not coagulate?
| 1. | blood plasma |
| 2. | blood serum |
| 3. | Sample from the thoracic duct of the lymphatic system |
| 4. | Whole blood from the pulmonary vein |
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 |
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 |
| 1. | neutrophils and eosinophils |
| 2. | lymphocytes and macrophages |
| 3. | eosinophils and lymphocytes |
| 4. | neutrophils and monocytes |
| 1. | Neutrophils | 2. | Basophils |
| 3. | Eosinophils | 4. | Monocytes |
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 |
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having:
| 1. | other antigens besides A and B on RBCs |
| 2. | over dominance of this type on the genes for A and B types |
| 3. | one antibody only- either anti A or anti-B on the RBCs |
| 4. | no antigens A and B on RBCs |
Compared to blood our lymph has:
1. no plasma
2. plasma without proteins
3. more WBCs and no RBCs
4. more RBCs and less WBCs
In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?
1. R-repolarisation of ventricles
2. S-start of systole
3. T-end of diastole
4. P-depolarisation of the atria
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