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5038 Physiology

A 30 year old male presents with recurrent attacks of sweating and dizziness. Fuher workup reveals low blood glucose levels with inappropriatlely elevated insulin and C-peptide levels. Imaging shows a lesion in the pancreas. He is diagnosed with insulinoma and given diazoxide. Which of the following is the mechanism of action of this drug?

AOpening of the sensitive K+ channels
BClosing of the ATP sensitive K+ channels
CIncrease in number of GLUT-4 receptors
DOpening of the volatage sensitive Ca+2 channels
Physiology
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