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Author Question: Which pair of drugs below are antagonists for the muscarinic and nicotinic (respectively) receptors? ... (Read 58 times)

Mr.Thesaxman

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on: Jun 22, 2018
Which pair of drugs below are antagonists for the muscarinic and nicotinic (respectively) receptors?
 
  A) atropine; curare
  B) hemicholium; atropine
  C) curare; atropine
  D) muscarine; nicotine
  E) acetylcholinesteras e; choline acetyltransferase

Question 2

The primary means by which the postsynaptic action of acetylcholine is terminated is via
 
  A) enzymatic destruction by acetylcholinesteras e.
  B) reuptake of acetylcholine into the presynaptic terminal.
  C) reuptake of choline into the presynaptic terminal.
  D) diffusion away from the synapse.
  E) reduced synthesis of choline.


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aham8f

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: A
Rationale: Atropine and curare are antagonists for the muscarinic and nicotinic (respectively) receptors.

Answer to Question 2

Answer: A


Mr.Thesaxman

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Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)

steff9894

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Reply 3 on: Yesterday
Gracias!

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