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Important questions on Heartbeat And Pulse Rate

The heart is slightly tilted towards the 

A

Right side

B

Not tilted at all

C

Left side

D

Upper side

View Answer

The human circulatory system consists of a muscular four-chambered heart, a network of closed branching blood vessels and blood, the fluid which is circulated. The heart is mesodermal in origin. It is situated in the thoracic cavity, in between the two lungs. The heart is slightly tilted towards the left side because the right lung is larger than the left lung. This condition provides the heart with enough space to function properly and pump blood efficiently to different parts of the body.
So, the correct answer is 'Left side'.

The device used by the doctor to amplify the heartbeat is

A

Periscope

B

Thermometer

C

Stethoscope

D

Microphone

View Answer

The stethoscope is an acoustic (hearing) medical device used for auscultation (listening of internal sounds of the body. The doctor will place a small metal circle called a bell, against the chest, at the spot where a person can feel the heartbeat. Hence the device used by the doctor to amplify the heartbeat is stethoscope.
So, the correct answer is 'Stethoscope'.