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12 Questions

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Hormones and Metabolic Regulation

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Questions and Answers

What is the primary effect of epinephrine on glucose metabolism?

Increase glucose uptake in cells

Stimulate protein synthesis

Promote glycogen synthesis

Enhance glycogenolysis and gluconeogenesis (correct)

What is the role of cortisol in fuel mobilization?

Decrease lipolysis

Facilitate the conversion of protein to glycogen (correct)

Stimulate cellular glucose uptake

Inhibit gluconeogenesis

Which hormone is responsible for decreasing appetite and increasing metabolism?

Leptin (correct)

Ghrelin

PYY-3-36

Orexin

What occurs in the absorptive state?

Reactions that promote synthesis of glycogen, fats, and proteins are inhibited Signup and view all the answers

What is the primary effect of growth hormone on glucose metabolism?

Enhance gluconeogenesis and lipolysis Signup and view all the answers

What is the primary effect of glucagon on glucose metabolism?

Enhance glycogenolysis and gluconeogenesis Signup and view all the answers

What is the primary source of energy during prolonged fasting?

Metabolism of fats Signup and view all the answers

What is the role of insulin in glucose uptake by most cells?

Insulin is required for glucose uptake by most cells except brain cells Signup and view all the answers

What is the consequence of oxaloacetate deficiency during starvation?

Limited entry of acetyl-CoA into the citric acid cycle Signup and view all the answers

What is the characteristic feature of Insulin Dependent Diabetes Mellitus (IDDM) at the onset of the disorder?

Insulinitis with pancreatic mononuclear cell infiltration Signup and view all the answers

What is the age range when 90% of Insulin Dependent Diabetes Mellitus (IDDM) cases typically begin?

Between 10 and 14 years of age Signup and view all the answers

What is the result of the metabolism of fats during prolonged fasting?

Production of large amounts of ketoacids Signup and view all the answers