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Author Question: The ________ contains the primary biological clock that controls sleep-wake cycles in the rat. A) ... (Read 82 times)

ts19998

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on: Jun 22, 2018
The ________ contains the primary biological clock that controls sleep-wake cycles in the rat.
 
  A) intergeniculate leaflet
  B) pineal gland
  C) suprachiasmatic nucleus
  D) pretectal area
  E) superior colliculus

Question 2

The suprachiasmatic nucleus controls circadian rhythms via
 
  A) indirect neural connections with the hippocampus.
  B) release of hormones from the pituitary.
  C) activation of the ganglion cells of the retina.
  D) secretion of as yet unidentified chemicals.
  E) pathways routed through the paraventricular hypothalamus.


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cloudre37

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

Answer: C

Answer to Question 2

Answer: D
Rationale: The suprachiasmatic nucleus controls circadian rhythms via secretion of as yet unidentified chemicals.


ts19998

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Reply #2 on: Jun 22, 2018
Thank you!


cloudre37

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Reply #3 on: Jun 22, 2018
Happy to help


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