Which of the Following Is Most Likely to Induce Carotid

Multiple Choice

Which of the following is most likely to induce carotid sinus syncope?

A) Development of hypovolemic (low blood volume) shock,as in hemorrhage
B) Exertion of pressure over the carotid sinus (tight collar)
C) Administration of nitroglycerine (a vasodilator drug)
D) Administration of a diuretic for hypertension