Q. No.The most active phagocytic white blood cells are:
1.
neutrophils and eosinophils
2.
lymphocytes and macrophages
3.
eosinophils and lymphocytes
4.
neutrophils and monocytes
| 1. | neutrophils and eosinophils |
| 2. | lymphocytes and macrophages |
| 3. | eosinophils and lymphocytes |
| 4. | neutrophils and monocytes |
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 |
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
If you suspect a major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
| 1. | Serum albumins |
| 2. | Serum globulins |
| 3. | Fibrinogen in the plasma |
| 4. | Haemocytes |
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 |
Rh-factor can produce disease:
| 1. | AIDS |
| 2. | Turner's syndrome |
| 3. | Erythroblastosis foetalis |
| 4. | Sickle cell anaemia |
If due to some injury the chordae tendineae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?
| 1. | The flow of blood into the aorta will be slowed down |
| 2. | The 'pace maker' will stop working |
| 3. | The blood will tend to flow back into the left atrium |
| 4. | The flow of blood into the pulmonary artery will be reduced |
Sympathetic nervous system induces:
1. heartbeat
2. secretion of digestive juice
3. secretion of saliva
4. All of the above
Rate of heartbeat is determined by:
1. Purkinje fibres
2. papillary muscles
3. SA-node
4. AV-node
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