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29 Cards in this Set

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  • Back
_________ It is used to monitor the plasma glucose concentration over prolonged periods of time (4-6 weeks).
Glycosylated hemoglobin Hb-A1c
Insulin secretion is promoted by __________.
↑ blood glucose levels, amino acids, GI hormones and by β-2 agonist.
Insulin is referred as the _________as it promotes anabolism and inhibits catabolism of carbohydrates, fatty acids and protein.
storage hormone
What is the mechanism of action of insulin?
Insulin binds to insulin receptors on the plasma membrane and activates tyrosine kinase – primarily in adipose tissue, liver and skeletal muscle.
The Nerves, RBC’s, Kidney, and Lens of the eye (do/do not) require insulin for glucose transport
DO NOT
Insulin increase the storage of glucose as______ in the liver and It inserts the________glucose transport molecule in the cell membrane
glycogen; GLUT-2
Insulin inhibits _______– thus significantly ↓ glucose output by the liver
gluconeogenesis
(IN MUSCLE) Glucose transport into the cells is facilitated by ______into the cell membrane
GLUT-4
(Adipose tissue) Insulin facilitates the storage of _______ by activating plasma lipoprotein lipase and inhibiting intracellular lipolysis
triglyceride
(Adipose tissue) Insulin increases the glucose uptake by ______insertion into the cell membrane
GLUT-4
Insulin is a _______peptide
51 AA
Insulin is inactivated by ______ found mainly in _____ and ______
insulinase; liver; kidney
Adverse effects of Insulin
Hypoglycemia
Allergic reactions
Lipodystrophy
Others includes
Seizures
Coma
This kind of oral anti-diabetic drug Reduces the bio-synthesis of glucose in liver --
Biguanides
This kind of anti-diabetic drug Increases the sensitivity of target cells to insulin --
Thiazolidinediones
This kind of oral anti-diabetic drug Retards the absorption of sugars from the GI tract
Acarbose, Miglitol
This kind of oral anti-diabetic drug- Stimulation of pancreatic insulin release
Sulfonylureas, Meglitinide
Adverse effects of Sulfonylureas?
Hypoglycemia
Cholestatic jaundice
Weight gain
Cross placenta – fetal hypoglycemia.
Chlorpropamide : It can cause water retention by ↑ release of ADH (SIADH)
Disulfiram-like reaction with alcohol.
_____ has minimal renal excretion thus useful in patients with DM and impaired renal function
Repaglinide, Nateglinide
Who am I?

Increase sugar utilization and inhibits gluconeogenesis
Does not promote insulin secretion.
It increase the sensitivity of liver and muscle to insulin.
It causes modest weight loss
Metformin (Glucophage)
Thiazolidinediones
Enhance glucose and lipid metabolism through action on _______________.
They enhance sensitivity to insulin in muscle and fat by increasing the ______ glucose transporters.
Peroxisome Proliferator Activated Receptor (PPAR–γ);

GLUT 4
Troglitazone is associated with _________.
hepatitis
Alpha-Glucosidase Inhibitors inhibits alpha-glucosidase which converts dietary starch and complex carbohydrates into ________
simple sugars
The following are examples of what?

Acarbose (Glucobay) , Miglitol (Glyset)
Alpha-Glucosidase Inhibitors
Glucagon like Peptide : GLP-1 analog : Xenatide : (Byetta) :
GLP is an incretin released from the ________ which increase the glucose dependent insulin secretion
small intestine
________ suppress glucagon release and reduce appetite
Xenatide
Sitagliptin (Januvia) is an oral anti-diabetic drug.
It inhibits the dipeptidyl peptidase 4 (DPP-4). What is the dipeptidyl peptidase 4 (DPP-4)?
an enzyme which inactivates the incretins GLP-1 and GIP
How does Glucagon act?
It acts by stimulation of glucagon receptors and not through beta 1 receptors.
What is Pramlintide acetate (Symlin)?
a relatively new adjunct treatment for diabetes. It is derived from amylin, a hormone that is released into the bloodstream, in a similar pattern as insulin, after a meal. Like insulin, amylin is deficient in individuals with diabetes. By substituting for amylin, pramlintide aids in the absorption of glucose by slowing gastric emptying, promoting satiety, and inhibiting inappropriate secretion of glucagon, a catabolic hormone that opposes the effects of insulin and amylin.