Q. No.The autonomic regulation of cardiac activity is carried out by a neural center located in:
1.
Medulla oblongata
2.
Hypothalamus
3.
Cerebrum
4.
Thalamus
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To activate coagulation at the site of injury, certain factors that play an important role in coagulation, can be released by:
| 1. | Platelets and damaged tissue |
| 2. | Basophils and mast cells |
| 3. | Wall of the damaged vessel and basophils |
| 4. | Platelets and mast cells |
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Examination of blood of a person suspected to be suffering from anemia shows a decrease in the number of all formed elements. He is most likely suffering from:
1. Iron deficiency
2. Megaloblastic anemia
3. Bone marrow dysfunction
4. Liver dysfunction
A leakage of plasma out of the blood capillaries will lead to:
1. A decrease in plasma proteins
2. Increased hematocrit
3. Polycythemia
4. Hemolysis
An Rh +ve female is pregnant with an Rh –ve fetus for the second time. The consequences can be:
| 1. | The fetus can have severe anemia or jaundice |
| 2. | The mother can have delayed reactions and may develop jaundice |
| 3. | There will be no consequences |
| 4. | The fetus will have growth and mental retardation |
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Formed elements and clotting factors are removed from the blood. The remaining fluid will be called as:
| 1. | Plasma | 2. | Lymph |
| 3. | Serum | 4. | Antiserum |
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Normal activities of the heart are regulated:
1. intrinsically
2. by adrenal medullary hormones
3. by sympathetic nervous system
4. by parasympathetic nervous system
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Exchange of nutrients and gases between the blood and the cells always occurs:
1. by active transport
2. with the help of transport carrier proteins
3. at the arterial end of the capillary network
4. through the interstitial fluid
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The nodal musculature of the heart has the capability to generate impulse:
| 1. | on stimulation by the sympathetic division of the autonomic nervous system |
| 2. | on stimulation by the parasympathetic division of the autonomic nervous system |
| 3. | on stimulation by the somatic neural division of the peripheral nervous system |
| 4. | without any external stimulus |
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