Acetylcholine promotes contraction of skeletal muscle and release of the hormone

Question

Acetylcholine promotes contraction of skeletal muscle and release of the hormones, epinephrine and norepinephrine from the adrenal medulla. Question 1 options: C True C False The resting membrane potential of mammalian cells is most commonly dominated by the equilibrium potential of Question 2 options: C Na+ . C Ca2+ Voltage-gated Ca2+ channels open and promote exocytosis of neurotransmitter when the membrane potential is hyperpolarized. Question 3 options: C True C False Action potentials have varying amplitude and duration Question 4 options: C True False El of 3 479 wordsEnglish (United States) 8:13 PM

Explanation / Answer

Question 1: True

Question 2: K+

Question 3: False

Volatge gated calcium channels open when the membrane potential is depolarized

Question 4: True

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