Limbic System and Hypothalamic Control

• Q1.Reward centre in the brain is?

  • AAmygdala
  • BThalamus
  • CHippocampus
  • DVentral tegmental area
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• Q2.The following are characteristics of central fever except

  • ANo diurnal variation
  • BNo sweating
  • CDecreased response to external cooling
  • DResistant to antipyretics
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• Q3.Which of the following is not a physiological method of heat loss from the body?

  • ASweating
  • BVasodilation
  • CPosture
  • DPeripheral vasoconstriction
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• Q4.The temperature of body is controlled by:

  • AMedulla
  • BPrecentral gyrus
  • CDiencephalon
  • DHypothalamus
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• Q5.True about experimental sham rage is

  • AOccurs in decorticate animals
  • BIs goal directed
  • CIs caused by removal of hypothalamus
  • DAppears slowly and goes slowly
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• Q6.Emotional effect to a physical response is given by:

  • AAmygdaloid
  • BCortex
  • CCerebellum
  • DHippocampus
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• Q7.Reward centre is

  • AInsula
  • BPutamen
  • CMedial forebrain bundle
  • DAqueduct sylvius
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• Q8.Nuclei controlling circadian rhythm:

  • ASuprachiasmatic nuclei
  • BArcuate
  • CParaventricular
  • DVestibulocerebellar
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• Q9.Circadian rhythm is regulated by

  • ASupra chiasmatic nucleus
  • BNeurohypophysis
  • CMedulla
  • DPallidohypothalamic nucleus
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• Q10.The supraoptic nucleus of the hypothalamus is believed to control the secretion of which of the following hormones?

  • Aantidiuretic hormone
  • Bprolactin
  • Cgrowth hormone
  • Dadrenocorticotrophic
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Answer key

Q1: D. Ventral tegmental area; Q2: C. Decreased response to external cooling; Q3: D. Peripheral vasoconstriction; Q4: D. Hypothalamus; Q5: A. Occurs in decorticate animals; Q6: A. Amygdaloid; Q7: C. Medial forebrain bundle; Q8: A. Suprachiasmatic nuclei; Q9: A. Supra chiasmatic nucleus; Q10: A. antidiuretic hormone.

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