Endocrine Flashcards
What are glands?
Specialised cell clusters or organs.
What are hormones?
Chemical substances secreted by glands in response to stimulation.
What are receptors?
Protein molecules that bind specifically with other molecules, such as hormones, to trigger specific physiologic changes in a target cell.
Name two types of oral hypoglycaemic agents.
Biguanides & sulphonylurea
What is the name of a biguanides?
Metformin
What is the gold standard drug for T2DM?
Metformin
Three actions of metformin?
Reduce hepatic glucose production, enhancing peripheral muscle glucose intake, slows down how quickly glucose is released from food.
Side effects of metformin
GI disturbances, metallic taste, B12 absorption reduced
Cautions of metformin
Renal, hepatic, heart problems
Considerations of metformin
Does not cause weight gain and may reduce appetite.
Two examples of Sulfonylurea
Glicazide & glimepirid
Actions of sulfonylurea
Increase Insulin released from pancreatic cells
What is the action of sulfonylureas?
Bind to receptor on Insulin on beta cells to stimulate insulin secretion.
Dosage of sulfonylurea
80mg/day single dose
Side effects of sulfonylurea
Hypoglycaemia, weight gain, rashes, rarely blood disorders.