If the left ventricle fails to pump blood adequately to the body’s cells, it usually leads to:

1. heart block	2. cardiac tamponade
3. congestive heart failure	4. cardiac arrest

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

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