Top 150+ Solved Nervous System MCQ Questions Answer

From 121 to 122 of 122

Q. With regard to chemoreceptors, all of the following are true EXCEPT:

a. the medullary chemoreceptors respond to a change in blood pCO2

b. the medullary chemoreceptors respond to blood (H+)

c. the predominant peripheral chemoreceptors are located in the carotid and aortic bodies

d. the peripheral chemoreceptors respond to pO2

e. the peripheral chemoreceptors respond to blood (H+)

  • b. the medullary chemoreceptors respond to blood (H+)

Q. The reticular activating system:

a. has depressed conduction during anaesthesia

b. is located in the pons

c. is a simple collection of parallel nerve fibres

d. has no input from the cranial nerves

e. is electrically isolated from the cerebral cortex

  • a. has depressed conduction during anaesthesia
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