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
Category: Circulatory System Physiology Mcqs
What will happen to our heart beat in case our body temperature is decreased:
A.Increased
B.Decreased
C.First increased then decreased
D.Nothing
Which of these muscles in the body have no pause and fatigue:
A.Skeletal muscles
B.Cardiac muscles
C.Both (a) & (b)
D.None of these
Under which of these situations the rate of heartbeat is accelerated by noradrenaline:
A.Stress
B.Anger
C.Excitement
D.All of these
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
Flow of blood in large arteries is:
A.500mm per second
B.300mm per second
C.250mm per second
D.None of these
Systolic blood pressure in a young man normally is:
A.70mm of Hg
B.80mm of Hg
C.100mm of Hg
D.120mm of Hg
During exercise a person is likely to have:
A.Bradycardia
B.Tachycardia
C.Both (a) & (b)
D.None of these
The cardiac output means:
A.Number of beats by heart per minute
B.Amount of blood pumped by heart per minute
C.Number of cardiac cycles per minute
D.None of these
Electrocardiogram is:
A.Recording of electrical activity in the heart
B.Recording of passage of nerve impulses in the heart
C.Recording of cardiac outputs in the heart
D.None of these
