Insulin and glucagon:
Are secreted in response to decreasing blood glucose levels
Elevate blood glucose levels
Secreted by the beta cells of the islets of Langerhans
Are secreted by the pancreas and are concerned with the regulation of blood glucose
The Correct Answer is D
A. Are secreted in response to decreasing blood glucose levels:
Only glucagon is secreted when glucose is low; insulin is secreted when it is high.
B. Elevate blood glucose levels:
Only glucagon elevates blood glucose. Insulin lowers it.
C. Secreted by the beta cells of the islets of Langerhans:
Only insulin is secreted by beta cells. Glucagon is secreted by alpha cells.
D. Are secreted by the pancreas and are concerned with the regulation of blood glucose:
Both hormones are secreted by the pancreas and work together to regulate blood glucose levels- insulin lowers it, and glucagon raises it.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Ovulation: Ovulation is the release of an egg from the ovary.
B. Ectopic pregnancy: Implantation of a fertilized egg outside the uterus, commonly in the fallopian tube.
C. Menarche: Menarche is the first menstrual period.
D. Menses: Menses is the shedding of the uterine lining during menstruation.
Correct Answer is A
Explanation
A. Causes Na+ and water reabsorption:
Aldosterone increases sodium (and water) reabsorption in the kidneys, which raises blood volume and pressure.
B. Depletes blood volume:
Aldosterone helps increase blood volume.
C. Causes K+ reabsorption:
Aldosterone promotes potassium excretion, not reabsorption.
D. Cause Na+ excretion:
Aldosterone causes sodium retention, not excretion.
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