A decrease in BP is sensed by.............? - excelll

[ArchivalUser]

1. carotid body
2. Carotid sinus
3. Aortic arch baroreceptors
4. Aortic arch chemoreceptors

[ArchivalUser]

1 IS RIGHT

[ArchivalUser]

2 bc there is a decreases stretch via IX to the medulla which then increase BP through the sympathetic system

[ArchivalUser]

2....baroreceptors r located in carotid sinus!

[ArchivalUser]

carotid sinus receptors respond ( decrease or increase ) aortic arch receptor respond only to increase
carotid arch recptors through herings nerve (branch of 9 cn supplies the vasomotor center ) which causes increase in sympathetics and decrease in parasympathetics leading to increase in bp ,contractility ,tpr
2