Concerning regulation of arterial luminal area, the following is/are true:
A. The major determinant of arterial diameter is blood pressure
B. Compensatory vasodilation occurs until more than 40% of area inside the internal elastic lamina is obstructed in coronary arteries
C. Vasodilating nitric oxide is derived from adenosine
D. When endothelium is absent, thrombin causes vasoconstriction.
Answer:B
Concerning regulation of arterial luminal area, the following is/are true:
A. The major determinant of arterial diameter is blood pressure B. Compensatory vasodilation occurs until more than 40% of area inside the internal elastic lamina is obstructed in coronary arteries C. Vasodilating nitric oxide is derived from adenosine D. When endothelium is absent, thrombin causes vasoconstriction.