QuestionSBA
QuestionChoice
This is incorrect. Minoxidil works by opening K+ channels. This results in hyperpolarisation of smooth muscle cells, inhibiting calcium channel opening which causes relaxation and hence vasodilation. This increases blood flow to the hair follicles.
10026334
e
Activates Ca2+ channels
QuestionChoice
This is incorrect. Minoxidil works by opening K+ channels. This results in hyperpolarisation of smooth muscle cells, inhibiting calcium channel opening which causes relaxation and hence vasodilation. This increases blood flow to the hair follicles.
10026332
c
Activates Na+ channels
QuestionChoice
This is incorrect. Minoxidil works by opening K+ channels. This results in hyperpolarisation of smooth muscle cells, inhibiting calcium channel opening which causes relaxation and hence vasodilation. This increases blood flow to the hair follicles.
10026333
d
Inhibits Na+ channels
QuestionChoice
This is correct. Minoxidil is a drug used to treat hair loss which works via opening K+ channels. This results in hyperpolarisation of smooth muscle cells, inhibiting calcium channel opening which causes relaxation and hence vasodilation. This increases blood flow to the hair follicles.
10026330
a
Activates K+ channels
QuestionChoice
This is incorrect. Minoxidil works by opening K+ channels. This results in hyperpolarisation of smooth muscle cells, inhibiting calcium channel opening which causes relaxation and hence vasodilation. This increases blood flow to the hair follicles.
10026331
b
Inhibits K+ channels
Concept
Chapter
2693
4605
Alopecia
Topic
144
Dermatology
17664
Which of the following is the correct mechanism of action of minoxidil?
a