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Multiple Choice
Which hormone regulates the rate of metabolism?
A
Thyroxine
B
Cortisol
C
Adrenaline
D
Insulin
Verified step by step guidance
1
Identify the primary function of each hormone listed in the options.
Understand that metabolism refers to the chemical processes that occur within a living organism to maintain life, including the conversion of food to energy.
Recognize that thyroxine, also known as T4, is a hormone produced by the thyroid gland and plays a crucial role in regulating metabolism by controlling the rate at which cells use energy.
Consider the role of cortisol, which is primarily involved in the stress response and helps regulate metabolism in a different context, such as increasing blood sugar levels.
Evaluate the roles of adrenaline and insulin: adrenaline is involved in the fight-or-flight response, and insulin regulates blood glucose levels, neither of which directly control the overall rate of metabolism like thyroxine does.