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Author Question: The most superior portion of the lung is called the A) base. B) apex. C) cardiac notch. D) hilus. ... (Read 43 times)

colton

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on: Feb 28, 2019
The most superior portion of the lung is called the
 A) base.
  B) apex.
  C) cardiac notch.
  D) hilus.
  E) epipleurium.

Question 2

The regulation of awake-asleep cycles appears to involve an interplay between brain stem nuclei that use different neurotransmitters. The one that favors alertness is ________ and the other promoting deep sleep is ________.
 A) acetylcholine; serotonin
  B) serotonin; norepinephrine
  C) norepinephrine; serotonin
  D) dopamine; GABA
  E) glutamate; serotonin


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atrochim

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

B

Answer to Question 2

C


colton

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Reply #2 on: Feb 28, 2019
Thanks


atrochim

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Reply #3 on: Feb 28, 2019
Welcome :)


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