1. In ECG, the depolarisation of atria is indicated by

2. If vagus nerve is cut the heart beat

3. Pace maker influences:

4. Sickle cell anaemia is induced by:

5. Angina pectoris is very often mistaken for

6. What is the normal blood pressure of human beings?

7. As the age advances, there is a gradual thinning of hair in human males. This is mainly because of lowered:

8. Heparin is

9. A respiratory pigment is absent in

10. Arteries are best defined as the vessels which

11. Cardiac arrest is the state when

12. Among the following stem cells, which are found in the umbilical cord?

13.  A certain road accident patient with an unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?

14. If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

15. Which of the following statement/statements can be related to erythroblastosis foetalis?

16. Which one of the following plasma proteins is involved in the coagulation of blood?

17. Christmas disease is also known as

18. What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml?

19.  How do parasympathetic neural signals affect the working of the heart?

20. An adult human has systolic and diastolic pressures as: