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Multiple Choice
Which hormone promotes gluconeogenesis as a way to increase blood glucose levels?
A
Glucagon
B
Insulin
C
Epinephrine
D
Thyroxine
Verified step by step guidance
1
Understand the concept of gluconeogenesis: Gluconeogenesis is the metabolic process by which glucose is synthesized from non-carbohydrate precursors, primarily in the liver. This process is crucial for maintaining blood glucose levels during fasting or intense exercise.
Identify the role of each hormone listed: Glucagon, Insulin, Epinephrine, and Thyroxine. Each hormone has distinct functions related to metabolism and blood glucose regulation.
Examine the function of Glucagon: Glucagon is a hormone produced by the alpha cells of the pancreas. It plays a key role in increasing blood glucose levels by promoting gluconeogenesis and glycogenolysis in the liver.
Consider the role of Insulin: Insulin is produced by the beta cells of the pancreas and primarily functions to lower blood glucose levels by facilitating cellular uptake of glucose and promoting glycogenesis.
Evaluate the roles of Epinephrine and Thyroxine: Epinephrine, also known as adrenaline, can increase blood glucose levels during stress by stimulating glycogenolysis. Thyroxine, a thyroid hormone, influences metabolism but does not directly promote gluconeogenesis.