physiology pre-lab quiz tps://canvas.unledu/courses/29716/quizzes/45336/take/que

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physiology pre-lab quiz

tps://canvas.unledu/courses/29716/quizzes/45336/take/questions/866276 3 Download Rubric.pdf 181 > Quizzes > Nerve-Muscle Pre-Lab Quiz erve-Muscle Pre-Lab Quiz arted: Mar 26 at 6:28pm uiz Instructions Question 5 The action potential of skeletal muscle O is not essential for contraction O spreads inward to all parts of the muscle via t-tubules O is longer than the action potential for cardiac muscle O has a prolonged plateau phase O causes the immediate uptake of Ca2+ into the sarcoplasmic reticulum

Explanation / Answer

Ans:2

1.Acton potencial generated and propagated along sarcomere to T- tubules.

2. Action potencial triggers Ca2+ release.

3.Ca++ bind to troponim; blocking action of tropomyosin released.

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