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Author Question: The following are the steps involved in transmission at a cholinergic synapse. What is the correct ... (Read 93 times)

chads108

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on: Feb 28, 2019
The following are the steps involved in transmission at a cholinergic synapse. What is the correct sequence for these events? 1. Chemically-gated sodium channels on the postsynaptic membrane are activated. 2. Calcium ions enter the synaptic terminal. 3. Acetylcholinesteras e hydrolyzes acetylcholine. 4. An action potential depolarizes the synaptic terminal at the presynaptic membrane. 5. The pre-synaptic terminal reabsorbs choline. 6. Acetylcholine is released from storage vesicles by exocytosis. 7. Acetylcholine binds to receptors on the postsynaptic membrane. 8. Calcium ions are removed from the cytoplasm of the pre- synaptic terminal.
 A) 4, 2, 6, 7, 8, 5, 3, 1
  B) 4, 2, 6, 7, 1, 8, 3, 5
  C) 2, 4, 6, 7, 1, 8, 3, 5
  D) 2, 5, 4, 6, 7, 1, 8, 3
  E) 6, 4, 2, 7, 1, 8, 3, 5

Question 2

Cholinergic synapses release the neurotransmitter
 A) norepinephrine.
  B) adrenalin.
  C) serotonin.
  D) acetylcholine.
  E) GABA.


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Kdiggy

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Reply #1 on: Feb 28, 2019
Answer to Question 1

B

Answer to Question 2

D


chads108

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Reply #2 on: Feb 28, 2019
Both answers were spot on, thank you once again


Kdiggy

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Reply #3 on: Feb 28, 2019
Great! Please up vote :D


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