Multiple Choice
Which primary thyroid hormone regulates the rate of metabolism?
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16. The Endocrine System
Introduction to the Endocrine System
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Which statement best describes both insulin and glucagon?
A
They are enzymes that break down carbohydrates.
B
They are hormones that regulate blood glucose levels.
C
They are neurotransmitters involved in muscle contraction.
D
They are vitamins essential for bone health.
Verified step by step guidance1
Identify the primary function of insulin and glucagon in the body. Both are hormones produced by the pancreas.
Understand that insulin and glucagon play crucial roles in regulating blood glucose levels. Insulin decreases blood glucose by facilitating cellular uptake, while glucagon increases blood glucose by promoting glycogen breakdown.
Differentiate between hormones and other biological molecules such as enzymes, neurotransmitters, and vitamins. Hormones are signaling molecules that regulate physiological processes.
Recognize that enzymes catalyze biochemical reactions, neurotransmitters transmit signals across synapses, and vitamins are organic compounds essential for various bodily functions.
Conclude that the statement 'They are hormones that regulate blood glucose levels' best describes both insulin and glucagon, as it accurately reflects their roles in the endocrine system.
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