drpkaur
Forum Guru
Topics: 195
Posts: 808
|
A 45-year-old comatose man is brought to the emergency department. Physical examination reveals profound dehydration and tachycardia. Laboratory studies show severe hyperglycemia (800 mg/dL) and glycosuria. Plasma osmolality is 340 mosm/L and there is no significant ketosis. It was determined that he was taking an arterial vasodilator that has which of the following mechanisms?
A. Activates K+ATP channels
B. Activates nitric oxide synthase
C. Activates voltage-gated Ca2+ channels
D. Blocks alpha-1 adrenergic receptors
E. Blocks angiotensin II receptors
F. Blocks beta-1 adrenergic receptors
|
| Leopard
Forum Guru
Topics: 30
Posts: 401
|
The anwer is "A"
Diazoxide activates the ATP dependent K channels in the blood vessels and Beta cells of the pancreas.Other indication of diazoxide is "Insulinoma"
___________________
FA is just a good revision book.It is not a "real" learning tool.
|
| drfax
Forum Elite
Topics: 21
Posts: 233
|
A. Diazoxide
also used in insulinoma
___________________
My best friends are these Gentlemen :Why & How.
|
| drpkaur
Forum Guru
Topics: 195
Posts: 808
|
correct a...
|
| docarchana
Forum Guru
Topics: 70
Posts: 515
|
it has just the opposite action of sulfonylureas
|
|
| |
| | | | | |
