Match each item in Column I with one in Column II and select the correct answer from the codes given:

	Column I		Column II
A.	Mitral valve	a.	Allows blood flow from left atrium to left ventricle
B.	Papillary muscles	b.	Does not allow back opening of AV valves during ventricular systole
C.	AV node	c.	Ensure all chambers do not contract simultaneously
D.	Fibrous band between atrial and ventricular muscle mass	d.	Ensures atria contract before ventricles

Codes

	A	B	C	D
1.	a	b	c	d
2.	b	a	c	d
3.	b	a	d	c
4.	a	b	d	c

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

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