Multiple Choice
The state of contraction of vascular smooth muscle is determined most directly by the
A) Occupancy of receptors for vasoconstrictors or vasodilators
B) State of phosphorylation of myosin light chains
C) Activation of acto-myosin cross bridges by Ca2+
D) Mem brane potential of the sm ooth m uscle cells
E) Electrical coupling of smooth muscle cells through gap junctions
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which of the following is a vasodilator?<br>A)
Q3: The myogenic response of vascular smooth muscle
Q4: Contraction of vascular smooth m uscle is
Q5: Pharmacom echanical coupling in vascular smooth muscle<br>A)
Q6: Inhibiting the activity of MLCP should<br>A) Increase
Q7: In vasoconstriction, the layer of the arteriole
Q8: Sympathetic activation of arterioles causes<br>A) Vasoconstriction<br>B) Vasodilation<br>C)
Q9: MLCK stands for<br>A) Myosin light chain kinase<br>B)
Q10: Sym pathetic stimulation generally<br>A) Constricts vessels
Q11: Which of the following does not Increase