Endocrine Physiology: Glucose Homeostasis
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Questions and Answers

What is the effect of infusions of insulin and glucose on the plasma K+ level in normal individuals?

  • It significantly lowers the plasma K+ level (correct)
  • It fluctuates the plasma K+ level
  • It has no effect on the plasma K+ level
  • It increases the plasma K+ level

    • What is the effect of insulin treatment on patients with diabetic acidosis?

  • It has no effect on potassium levels
  • It leads to hyperkalemia
  • It leads to hyperglycemia
  • It often leads to hypokalemia (correct)

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

  • Skeletal muscle
  • Intestinal mucosa
  • Nervous tissue (correct)
  • Red blood cells

    • What is the effect of an increase in blood glucose on insulin secretion?

    <p>It increases insulin secretion</p> Signup and view all the answers

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

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

    What is the effect of parasympathetic stimulation on insulin secretion?

    <p>It stimulates insulin secretion</p> Signup and view all the answers

    What is the effect of insulin resistance on insulin secretion?

    <p>It increases insulin secretion</p> Signup and view all the answers

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

    <p>It decreases insulin secretion</p> Signup and view all the answers

    What is the effect of sulphonyl urea on insulin secretion?

    <p>It increases insulin secretion</p> Signup and view all the answers

    What is the difference between the response to oral administration of glucose and the response to intravenous infusion of glucose?

    <p>The response to oral administration of glucose is higher than the response to intravenous infusion</p> Signup and view all the answers

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