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  • Baroreceptors are abundantly found in the  Option: 1 carotid sinus  <

Baroreceptors are abundantly found in the

 

Option: 1

carotid sinus

 


Option: 2

wall of aortic arch

 


Option: 3

Hering’s nerve

 

 


Option: 4

Both a and b

 


Answers (1)

best_answer

 

 

As we have learnt:

Baro-receptors

  • These are the endings of the nerves that lie in the walls of the arteries. 
  • Baroreceptors are abundantly found in the carotid sinus and the wall of aortic arch
  • A rise in arterial pressure stretches the baroreceptors causing them to transmit signals into the CNS.
  • In response to these signals ‘feedback’ signals are then sent back via autonomic nervous system to the circulation to reduce the arterial pressure to the normal level
  • The signals are transmitted from each carotid sinus through very small Hering’s nerve to the glossopharyngeal nerve and then to the tractus solitarius in the medulla oblongata of the brain
  • Signals from aortic arch transmit through the vagus nerve to the tractus solitarius in the medulla oblongata of the brain
     

- 

 

So,

Baroreceptors are abundantly found in the carotid sinus and the wall of aortic arch. Hence, the correct answer is option d.

Posted by

rishi.raj

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