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Cortisol and Glucose Regulation Quiz

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Questions and Answers

Which enzyme-catalyzed reaction in glycolysis is readily reversible under physiological conditions?

Hexokinase

Pyruvate dehydrogenase (correct)

Phosphoglycerate kinase

Pyruvate kinase

Which hormone acts on the liver, muscle, adipose tissue, and pancreas to prevent glucose concentration from reaching zero?

Glucagon

Insulin

Epinephrine

Cortisol (correct)

What is the effect of high levels of cortisol in the liver?

Increases glycogen synthesis and decreases gluconeogenesis

Decreases glycogen synthesis and increases gluconeogenesis (correct)

Increases both glycogen synthesis and gluconeogenesis

Decreases both glycogen synthesis and gluconeogenesis

What is the process by which glucose is synthesized from three and four carbon precursors?

Gluconeogenesis Signup and view all the answers

Which tissue is affected by cortisol to increase gluconeogenesis?

Liver Signup and view all the answers

Which enzyme is responsible for catalyzing the conversion of glucose to glucose-6-phosphate during glycolysis?

Hexokinase Signup and view all the answers

What is the effect of high levels of cortisol in adipose tissue?

Increases lipolysis Signup and view all the answers

What is the effect of high levels of cortisol in muscle?

Increases protein degradation Signup and view all the answers

What is the process by which glucose is stored in the liver and muscle?

Glycogenesis Signup and view all the answers

What is the effect of high levels of cortisol in the pancreas?

Increases glucagon secretion Signup and view all the answers