Medical Quiz
Anatomy - Muscle Histology/NMJ/Physiology Quiz

Which of these occurs first during a muscle contraction?

A. The nerve signal reaches the neuromuscular junction

B. Ach is released and opens Na ion channels

C. The sarcomere shortens

D. The myosin binds to the actin

Select your answer:
A  B  C  D  E 


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Other quiz: Population Ecology

Name that population pyramid…
A. Exponential Growth
B. Developing Country
C. Stable Growth
D. Declining Growth