The action potential is conducted into a skeletal muscle fiber by

A) motor end plates.
B) neuromuscular junctions.
C) transverse tubules.
D) triads.
E) sarcoplasmic reticulum.


C

Anatomy & Physiology

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Which layer of the vessel wall facilitates vasoconstriction and vasodilation?

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Down syndrome (trisomy-21) results from ________.

A. an autosomal recessive allele B. a sex-linked mutation C. a mutagen D. nondisjunction E. a teratogen

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Explain how a chemical odorant is transduced into a neural signal

What will be an ideal response?

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The medial and lateral condyles of the femur fit into what part of the patella?

a) Articular facets b) Base of the patella c) Tibiofemoral crest d) Apex of the patella e) None of these choices are correct.

Anatomy & Physiology