5 Questions
Which type of muscle is characterized by the presence of intercalated discs?
Cardiac muscle
What is the primary function of the sarcoplasmic reticulum (SR) in muscle cells?
Regulating calcium levels
Which component is NOT part of the triad junction in muscle fibers?
Myofibril
What is the fundamental unit of contraction in a muscle fiber?
Sarcomere
Which type of muscle lacks striations?
Smooth muscle
Test your knowledge of muscle physiology with this quiz based on Lecture I by Hakima Moukhles, PhD. Covering topics from the Department of Cellular and Physiological Sciences at the University of British Columbia, this quiz is a great way to review key concepts in human physiology from the 2nd edition of "Human Physiology" by Sherwood, Kell, and Ward.
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