MCQ A.4.7. – BasicPhysiology.org

A.4.7. The Cardiac Muscle

Created on April 30, 2023 By

wlammers_qzgo0ve6

MCQ A.4.7.

The Cardiac Muscle

1 / 3

Which ions are responsible, in sequence, for the depolarization, plateau-phase and repolarization in a typical cardiac action potential?

Ca2+, Na+, K+

K+, Ca2+, Na+

Na+, K+, Ca2+

Na+, Ca2+, K+

K+, Na+, Ca2+

2 / 3

The action potential duration is the time between:

the depolarization and repolarization of an action potential

the depolarization of one action potential and that of the next action potential

the repolarization of one action potential and that of the next action potential

the repolarization of one action potential and the depolarization of the next action potential

the depolarization of one action potential and the repolarization of the next action potential

3 / 3

Which type of contraction is possible in skeletal muscles but NOT in cardiac muscles?

Twitch

Tetanic contraction

Concentric contraction

Auxotonic contraction

Your score is

The average score is 100%

2018-2025

Contents

Search:

This website does not want to use copyrights or cookies etc (see info …)