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61.

Hypoxia in our body would bring which of these conditions:

A.	Bradycardia	B.	Tachycardia
C.	Both (a) & (b)	D.	None of these

62.

A person having high concentration of CO2 in his blood would have:

A.	Slow heart rate	B.	Accelerated heart rate
C.	Both (a) & (b)	D.	None of these

63.

Fall in the concentration of CO2 in one's blood will induce:

A.	Bradycardia	B.	Tachycardia
C.	Both (a) & (b)	D.	None of these

64.

Which of these situations may be present in the body during tachycardia:

A.	Increase in body temperature	B.	Increase in CO2 level of blood
C.	Both (a) & (b)	D.	None of these

65.

A person having bradycardia is likely to have which of the following:

A.	Increase in concentation of blood oxygen level	B.	Low temperature of his body
C.	Both (a) & (b)	D.	None of these

66.

A person having hypoxia, high temperature and increased CO2 level in his blood would likely have:

A.	Bradyeardia	B.	Tachycardia
C.	Both (a) & (b)	D.	None of these

67.

After coming from gymnaseum, our heart rate would be:

A.	Increased	B.	Decreased
C.	Both increased and decreased	D.	Unchanged

68.

During exercise a person is likely to have:

A.	Bradycardia	B.	Tachycardia
C.	Both (a) & (b)	D.	None of these

69.

During Ischaemia of myocardium the blood supply to muscles of heart in coronary artery is:

A.	Reduced	B.	Increased
C.	Often increased and often decreased	D.	Not affected

70.

One of the main causes of ischaemia of myocardium is:

A.	Deposition of fats an arterial walls called arteriosclerosis	B.	Disturbance in the balance of electrolytes
C.	Both of these reasons together	D.	None of these altogether