Which of the following statements best describes the mechanism of action of insulin on target cells?
AInsulin binds to a receptor on the outer surface of the plasma membrane, activating adenylate cyclase through the Gs protein.
BInsulin binds to a cytoplasmic receptor and is transferred as a hormone receptor complex to the nucleus to modulate gene expression.
CInsulin enters the cell and causes the release of calcium ions from intracellular stores.
DInsulin binds to a transmembrane receptor on the outer surface of the plasma membrane, activating the tyrosine kinase in the cytosolic domain of the receptor.
Hot spot in heart is seen in which scan
AThallium
BGallium
CAlbumin labelled
DTc pyrophosphate scan
Which of the following is used in the treatment of well-differentiated thyroid carcinoma?
AI131
B99m Tc
C32p
DMIBG
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