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Hypothalamic Functions 01

Topic: Anatomy

Created on Tuesday, October 16 2007 by jdmiles

Last modified on Tuesday, October 16 2007.

Which of the following areas is associated with regulation of sleep and secretion of  orexin?


 
        A) Restiform body
 
        B) Lateral hypothalamic area
 
        C) Dorsal raphe nucleus
 
        D) Mammilary bodies
 
        E) Laterodorsal tegmental nuclei
 

 


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This question was created on October 16, 2007 by jdmiles.
This question was last modified on October 16, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Restiform body

This answer is incorrect.


Orexin (also called hypocretin), a substance associated with regulation of sleep, appetite, and arousal, is secreted by neurons of the lateral hypothalamic area.

  (See References)

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B) Lateral hypothalamic area

This answer is correct.


Orexin (also called hypocretin), a substance associated with regulation of sleep, appetite, and arousal, is secreted by neurons of the lateral hypothalamic area.  (See References)

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C) Dorsal raphe nucleus

This answer is incorrect.


Orexin (also called hypocretin), a substance associated with regulation of sleep, appetite, and arousal, is secreted by neurons of the lateral hypothalamic area.

  (See References)

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D) Mammilary bodies

This answer is incorrect.


Orexin (also called hypocretin), a substance associated with regulation of sleep, appetite, and arousal, is secreted by neurons of the lateral hypothalamic area.

  (See References)

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E) Laterodorsal tegmental nuclei

This answer is incorrect.


Orexin (also called hypocretin), a substance associated with regulation of sleep, appetite, and arousal, is secreted by neurons of the lateral hypothalamic area.

  (See References)

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References:

1. Mieda, M., and Yanagisawa, M. (2002). "Sleep, feeding, and neuropeptides: roles of orexins and orexin receptors." Curr Opin Neurobiol, 12(3) 339-45. (PMID:12049942)
2. Sakurai, T. (2006). "Roles of orexins and orexin receptors in central regulation of feeding behavior and energy homeostasis." CNS Neurol Disord Drug Targets, 5(3) 313-25. (PMID:16787231)
3. Rodgers, R.J., Ishii, Y., Halford, J.C., and Blundell, J.E. (2002). "Orexins and appetite regulation." Neuropeptides, 36(5) 303-25. (PMID:12450737)
4. Székely, M., Pétervári, E., Balaskó, M., Hernádi, I., and Uzsoki, B. (2002). "Effects of orexins on energy balance and thermoregulation." Regul Pept, 104(1-3) 47-53. (PMID:11830276)
5. Siegel, J.M. (1999). "Narcolepsy: a key role for hypocretins (orexins)" Cell, 98(4) 409-12. (PMID:10481905)
6. Saper, C.B., Chou, T.C., and Scammell, T.E. (2001). "The sleep switch: hypothalamic control of sleep and wakefulness." Trends Neurosci, 24(12) 726-31. (PMID:11718878)
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anatomy
Hypothalamic Functions 01
Question ID: 101607074
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/16/2007
Modified: 10/16/2007
Estimated Permutations: 39600

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