In order for an axon to transmit an action potential, what must cross the axon's membrane?
A) hormones
B) sodium ions
C) phenylalanine
D) glucose
Correct Answer:
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Q22: Action potentials follow the all-or-none law, which
Q23: The strength of an action potential
A) decreases
Q24: During the chemical process called an action
Q25: The study of axons and action potentials
Q26: Why does it take you longer to
Q28: The advantage of an action potential over
Q29: Anesthetic drugs such as Novocain block the
Q30: The all-or-none law applies to
A) nervous system
Q31: Action potentials
A) occur when potassium ions enter
Q32: During the action potential, just after _
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