Cardiac output is (a) Stroke volume (SV) ×Heart rate (HR)=5 L / m (b) SV ×HR=500 ml (c) SV ×HR=

Name: Problem 98, Chapter 18: Objective Biology for NEET
Uploaded: 2021-11-11T03:15:13-08:00
Duration: 2 min 22 s
Channel: Rehana Riaz
Description: Cardiac output is (a) Stroke volume (SV) ×Heart rate (HR)=5 L / m (b) SV ×HR=500 ml (c) SV ×HR=72 ml / m (d) SV ×HR=70 ml / m

step 1 So the question is, cardiac output is, here we have some option, stroke volume, sV, multiply by

Question

Cardiac output is (a) Stroke volume (SV) $\times$ Heart rate $(\mathrm{HR})=5 \mathrm{~L} / \mathrm{m}$ (b) $\mathrm{SV} \times \mathrm{HR}=500 \mathrm{ml}$ (c) $\mathrm{SV} \times \mathrm{HR}=72 \mathrm{ml} / \mathrm{m}$ (d) $\mathrm{SV} \times \mathrm{HR}=70 \mathrm{ml} / \mathrm{m}$

    Cardiac output is
(a) Stroke volume (SV) $\times$ Heart rate $(\mathrm{HR})=5 \mathrm{~L} / \mathrm{m}$
(b) $\mathrm{SV} \times \mathrm{HR}=500 \mathrm{ml}$
(c) $\mathrm{SV} \times \mathrm{HR}=72 \mathrm{ml} / \mathrm{m}$
(d) $\mathrm{SV} \times \mathrm{HR}=70 \mathrm{ml} / \mathrm{m}$

Objective Biology for NEET

Rajiv Vijay 1st Edition

Chapter 18, Problem 98

Instant Answer

Solved by Expert Rehana Riaz

11/11/2021

Step 1

Cardiac output is the amount of blood pumped by the heart per minute. It is calculated by multiplying the stroke volume (SV) by the heart rate (HR). Show more…

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Cardiac output is (a) Stroke volume (SV) $\times$ Heart rate $(\mathrm{HR})=5 \mathrm{~L} / \mathrm{m}$ (b) $\mathrm{SV} \times \mathrm{HR}=500 \mathrm{ml}$ (c) $\mathrm{SV} \times \mathrm{HR}=72 \mathrm{ml} / \mathrm{m}$ (d) $\mathrm{SV} \times \mathrm{HR}=70 \mathrm{ml} / \mathrm{m}$

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Key Concepts

Cardiac Output

Cardiac output is the volume of blood that the heart pumps per minute. It is calculated as the product of stroke volume and heart rate, and it is a crucial parameter in understanding the efficiency of the circulatory system and overall cardiac function.

Stroke Volume

Stroke volume is the amount of blood ejected by the ventricles with each heartbeat. It is influenced by factors such as cardiac contractility, preload, and afterload, and it serves as one of the key components in calculating cardiac output.

Heart Rate

Heart rate is the number of times the heart beats per minute. It directly influences cardiac output, as when multiplied by stroke volume, it gives the total volume of blood circulated by the heart in one minute.

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