Insulin

Question 1

insulin production is normally stimulated by

Answer 1

rise in glucose

Question 2

metabolic syndrome

Answer 2

abdominal obesity
serum glucose>110
serum triglycerides>150
serum HDL < 40/50 m/f

Question 3

what does insulin do?

Answer 3

lowers blood glucose by transporting glucose from bloodstream to cells of other tissues

• promotes glycogen synthesis and fatty acid synthesis in liver
• inhibits glycogenolysis, hepatic ketogenesis and gluconeogenesis

Question 4

one unit of insulin -

Answer 4

the amount required to reduce blood glucose conecentration in fasting rabbits to 45mg/dL

Question 5

rapid acting
short acting
intermediate
long acting

Answer 5

rapid acting - < .25 hours - good for hyperkalemia 3-5 hrs
short acting - < .5 hours , lasts 4-6 hours
intermediate - < 2 hour onset and lasts 12-18 hours
long acting - 2-3 hours and lasts 24 hours

Question 6

how does hypokalemia occur after insulin therapy

Answer 6

potassium entry into cell from serum is stimulated