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Endocrine Physiology Lecture 10: Glucose Homeostasis

10 Questions

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Endocrine Physiology Lecture 10: Glucose Homeostasis

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Questions and Answers

What happens to plasma K+ levels in normal individuals when infused with insulin and glucose?

They initially decrease then increase

They significantly increase

They significantly decrease (correct)

They remain unaffected

Which of the following tissues is not affected by insulin in terms of glucose uptake?

Muscle cells

Kidney tubules

Adipose tissue

Nervous tissue (correct)

What is the effect of treating diabetic acidosis patients with insulin?

K+ levels increase then decrease

No change in K+ levels

Hyperkalemia often develops

Hypokalemia often develops (correct)

Which of the following decreases insulin secretion?

Increased somatostatin Signup and view all the answers

What is the effect of glucagon-like peptide 1 (GLP-1) on insulin secretion?

It stimulates insulin secretion only when blood glucose is above the fasting level Signup and view all the answers

What is the effect of oral administration of glucose on insulin release?

It stimulates insulin release to a greater extent than intravenous infusion of glucose Signup and view all the answers

What is the effect of adrenergic stimulation on beta cells?

It has a dual effect on beta cells Signup and view all the answers

What is the effect of thiazide diuretics on insulin secretion?

They decrease insulin secretion Signup and view all the answers

What is the effect of α-adrenergic activity on insulin secretion?

It decreases insulin secretion Signup and view all the answers

What is the effect of potassium depletion on insulin secretion?