The right atria of the human heart receive:

1.	Oxygenated blood
2.	Deoxygenated blood
3.	Arterial blood
4.	Venous blood

The hepatic portal------ carries blood from ----- to liver before it is delivered to the---------.

The neurocenter for the activity of the Heart is located in

The sympathetic nerves give ------- neural signals to heart and increases the-------.

Leucocytes are-------- and --------.

In a surface ECG the QRS complex represents:

1. Atrial depolarization

2. Atrial repolarization

3. Ventricular depolrization

4. Ventricular repolarization

What percentage of ventricular filling is achieved by atrial contraction?

1. 30

2. 50

3. 70

4. 90

If the heart of a person beats 68 times per minute and pumps about 60 ml blood per contraction, what will be the cardiac output

1. 5040 ml/min

2. 1280 ml/min

3. 4080 ml/min

4. 5.5 L/min

If a man is $R{h}^{+}and<mspace\; width="1em"></mspace>woman<mspace\; width="1em"></mspace>R{h}^{-}$, then which of the following can occur?

a. Their first child will die

b. Their first child will survive

c. The second $R{h}^{+}$ child will suffer with erythroblastosis foetalis

d. No child would be born after the first delivery

1. Only(A)

2. Only(B)

3. (B) & (C)

4. Only (D)

Which of the following is most numerous leucocytes, they have fine granules and are phagocytic in nature?