The autonomic regulation of cardiac activity is carried out by a neural center located in:

1.	Medulla oblongata	2.	Hypothalamus
3.	Cerebrum	4.	Thalamus

To activate coagulation at the site of injury, certain factors that play an important role in coagulation, can be released by:

The normal hematocrit value of human blood is:
1. 45
2. 50
3. 55
4. 60

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:

Formed elements and clotting factors are removed from the blood. The remaining fluid will be called as:

Normal activities of the heart are regulated:
1. intrinsically
2. by adrenal medullary hormones
3. by sympathetic nervous system
4. by parasympathetic nervous system

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

The nodal musculature of the heart has the capability to generate impulse: