An instrument used to amplify the sound of the heartbeat

Resting bradycardia

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More sympathetic stimulation from the SA node

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Increased heart rate

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Decreased end-diastolic volume

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Solution

The correct option is B
More sympathetic stimulation from the SA node

A stethoscope is an instrument used to amplify the sound of the heartbeat. It is used to hear the heartbeats in the chest by placing its chest piece at the appropriate place.

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Similar questions

The cardiac activity could be moderated by the autonomous neural system.
Tick the correct answer.
(a) The parasympathetic system stimulates heart rate and stroke volume
(b) The sympathetic system stimulates heart rate and stroke volume
(c) The parasympathetic system decrease the heart rate but increase stroke volume
(d) The sympathetic system decreases the heart rate but increases stroke volume

Q. Statement 1: Parasympathetic neural system increases the rate of heart beat.
Statement 2: Sympathetic neural system decreases the rate of heart beat.

Q. Parameter not affected by sympathetic stimulation of heart?

Q. Find out the cardiac output, if heart rate is 75 times/min. EDV(End diastolic volume) = 150 ml and ESV(End systolic volume) = 60 ml.

Q. _______ accelerates heart by stimulating adrenal medulla through the sympathetic nerves.

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An instrument used to amplify the sound of the heartbeat

The correct option is B More sympathetic stimulation from the SA node A stethoscope is an instrument used to amplify the sound of the heartbeat. It is used to hear the heartbeats in the chest by placing its chest piece at the appropriate place.

The correct option is B
More sympathetic stimulation from the SA node

A stethoscope is an instrument used to amplify the sound of the heartbeat. It is used to hear the heartbeats in the chest by placing its chest piece at the appropriate place.