This topic contains a solution. Click here to go to the answer

Author Question: The ________ contains the primary biological clock that controls sleep-wake cycles in the rat. A) ... (Read 94 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloudre37

  • Sr. Member
  • ****
  • Posts: 332
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.





 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library