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October 2017, Week 4

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Subject:
FW: MCAT Question of the Day October 25, 2017 | Next Step Test Preparation
From:
Kemile A Jackson <[log in to unmask]>
Date:
Wed, 25 Oct 2017 15:00:48 +0000
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[Interesting Image]

MCAT Question of the Day

MCAT Biology Question -- Neuron Functions



All all of the following are true regarding the function of neurons EXCEPT:







A) Hyperpolarization at the end of an action potential is one mechanism by which neurons limit the rate at which action potentials may fire.

B) The flow of sodium into the neuron depolarizes the membrane in the first phase of an action potential.

C) The transmitting neuron secretes neurotransmitters into the synaptic cleft from its dendrites.

D) An action potential is initiated when the axon hillock reaches the threshold potential.





[MCAT Answer]<https://rd150.infusionsoft.com/app/linkClick/35658/32ec1c086a3b6550/14682869/15418a07613a775c>

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