Which hormone, produced by the pancreas, plays a key role in regulating blood glucose levels by facilitating glucose uptake into cells and promoting its storage as glycogen in the liver and muscles?
Glucagon.
Insulin.
Epinephrine.
Cortisol.
The Correct Answer is B
Insulin is a hormone produced by the pancreas that plays a crucial role in regulating blood glucose levels. It facilitates glucose uptake into cells, promotes glycogen synthesis in the liver and muscles, and inhibits hepatic glucose production.
Incorrect choices:
a. This choice is incorrect. Glucagon is another pancreatic hormone that increases blood glucose levels by promoting glycogen breakdown and glucose release from the liver.
c. This choice is incorrect. Epinephrine is a hormone produced by the adrenal glands that can raise blood glucose levels during times of stress.
d. This choice is incorrect. Cortisol, also produced by the adrenal glands, can increase blood glucose levels in response to stress and inflammation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A fasting blood glucose level of 100 to 125 mg/dL is considered indicative of prediabetes, which is a condition where blood glucose levels are higher than normal but not high enough to be classified as diabetes.
Incorrect choices:
a. This choice is incorrect. A fasting blood glucose level of 70 mg/dL is within the normal range.
c. This choice is incorrect. A random blood glucose level of 150 mg/dL indicates hyperglycemia, but it is not indicative of prediabetes.
d. This choice is incorrect. An hemoglobin A1c level of 6.5% or higher is diagnostic of diabetes mellitus, not prediabetes.
Correct Answer is B
Explanation
Glipizide is a sulfonylurea medication that stimulates insulin secretion from pancreatic beta cells, helping to lower blood glucose levels in individuals with type 2 diabetes mellitus.
Incorrect choices:
a. This choice is incorrect. Metformin is an oral antidiabetic medication that primarily improves insulin sensitivity and reduces hepatic glucose production.
c. This choice is incorrect. Insulin glargine is a long-acting basal insulin used in insulin therapy to provide consistent background insulin coverage.
d. This choice is incorrect. Acarbose is an alpha-glucosidase inhibitor that delays carbohydrate absorption in the intestines and is used to manage postprandial hyperglycemia.
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