Multiple Choice Questions

Which of the following is NOT a diencephalon component? thalamus superior colliculus hypothalamus pineal gland
  • The superior colliculus is at the inferior border of the diencephalon, located in the midbrain region of the brain stem.
  • Nerves are collection of axons of either sensory or motor neurons but not both.
  • hypothalamus
  • The axon can course back into the spinal cord to synapse with preganglionic neurons in a different spinal segment.
Which of the following is responsible for the overall integration of the autonomic nervous system (ANS)?brain stemfrontal lobe of the cerebral cortexreticular formationhypothalamus
  • hypothalamusThe hypothalamus stands at the top of the control hierarchy as the integrator of ANS activity. The limbic system communicates the hypothalamus, which is why emotions, like fear, affect the ANS. The reticular formation connects the hypothalamus to nuclei in the brainstem that cause the ANS outputs for some visceral organs as their output is regulated by the hypothalamus.
  • The superior colliculus is at the inferior border of the diencephalon, located in the midbrain region of the brain stem.
  • Thalamus
  • pia mater
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Multiple Choice Questions
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