The heart beats rhythmically throughout one's life. The periodic contraction and relaxation of the heart is called the heartbeat. The normal human heartbeat is 70-72 per minute.The sounds made by heart are the heartbeats, which can be heard more clearly and loudly using different methods. The human heart pumps about 5 litres of blood per minute.
1. Name the instrument used by the doctor to measure heartbeat.
a. Thermometer
b. Stethoscope
c. Microscope
d. Periscope
2. When heartbeat is decreased than normal, it is called as
a. Bradycardia
b. Tachycardia
c. Leucopania
d. Cardiac arrest
3. When heartbeat is increased than normal, it is called as
a. Bradycardia
b. Tachycardia
c. Leucopania
d. Cardiac arrest
4. A pacemaker is meant for
a. Transporting liver
b. Transplanting heart
c. Initiation of the heart beat
d. Regulation of the blood flow
5. In case of cardiac arrest, what should be the most primary step?
a. Mouth to mouth respiration
b. Cardian massage
c. To call a doctor
d. None of the above
