Cardio

Question 1

Nerves from aortic arch and carotid body respond to what BP stimuli?

Answer 1

Aortic arch: increase in BP only

Carotid body: increase and decrease in BP

Question 2

What is Cushing reaction presentation?

Explain physiology

Answer 2

HTN
Bradycardia (reflex)
Respiratory depression

Pg264

Question 3

Explain chemoreceptors for periphery and CNS

Answer 3

Periphery: carotid and aortic bodies respond to: hypoxia (PO2

Question 4

Which nerve transmits from aortic arch and carotid bodies? What is target nuclei?

Answer 4

Aortic Arch transmits via Vagus nerve

Carotid body transmits via CN9

Both go to Solitary nucleus of medulla