E. A, B, and C 8. In response to binding a neurotransmitter, a postsynaptic cell

Question

E. A, B, and C 8. In response to binding a neurotransmitter, a postsynaptic cell can open or close ion channels via G proteins and second messenger systems producing slow responses B. open chemically gated channels, causing graded potentials known as fast synaptic potentials C. May be secreted by nerve cells D. A and B E. All of the choices are correct A. 9. The inhibitory neurotransmitters of the CNS, GABA and Glycine, act by opening channels A. Nat B. Cl C. K D. Ca E. Nat and K 10. You used to love to drink when you were a child. Lately, you notice that your stomach hurts and you experience bloating and discomfort when you drink milk. It is no longer inviting when you see someone else drinking it. What kind of learning has occurred? A. Associative B. Anterograde C. Habituation D. Sensitization E. Amnesia

Explanation / Answer

1-In response to binding a neurotransmitter a postsynaptic cell can open or close ion channels via g proteins and second messenger system producing alow response.and open chemically gated channel causing grades potential known as fast syneptic potential.

So the answer is D( A and B)

2-the inhibitory neurotransmitter of CNS,GABA and glycine act by opening of chloride channel (cl-)

So answer is B

3- C (habitutian)

Habituation is a form of learning in which an organism decreases or ceases its responses to a stimulus after repeated or prolonged presentations.

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