Loading....
Coupon Accepted Successfully!

Physiology

Open Flashcards

Cardiovascular System

Question
4 out of 7
 

Pressure on carotid sinus leads to:



A Tachycardia
B Increased blood pressure

C Reflex bradycardia
D Brain bridge reflex

Ans. C Reflex bradycardia

The BARORECEPTORS are stretch receptors found in the walls of heart and blood vessels. The carotid sinus and aortic Arch receptors monitor the arterial circulation. Impulses generated in baroreceptors have the following effect:

Inhibition

Excitation

Tonic discharge of vasoconstrictor nerves Q

Cardioinhibitory center Q

* Produce vasodilation, venodilation, drop in blood pressure and decrease in heart rate and cardiac output