The refractory period of A.P. of cardiac muscle fiber is than skeletal muscle. shorter O equal O longer

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Please I need help understanding this question, I'm not sure if I'm understanding it right. 

The question on the screen reads:

"The refractory period of A.P. of cardiac muscle fiber is _____ than skeletal muscle."

There are three options provided as answers:
- shorter (selected)
- equal
- longer

This appears to be a multiple-choice question aimed at assessing knowledge about the refractory periods of action potentials in cardiac and skeletal muscle fibers. The selected answer indicates that the refractory period of cardiac muscle fibers is considered to be shorter in this context.
Transcribed Image Text:The question on the screen reads: "The refractory period of A.P. of cardiac muscle fiber is _____ than skeletal muscle." There are three options provided as answers: - shorter (selected) - equal - longer This appears to be a multiple-choice question aimed at assessing knowledge about the refractory periods of action potentials in cardiac and skeletal muscle fibers. The selected answer indicates that the refractory period of cardiac muscle fibers is considered to be shorter in this context.
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