Multiple Choice
How do nonsteroid hormones differ from steroid hormones in their mechanism of action?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following statements about thyroxine is true?
A
Thyroxine is produced by the adrenal glands.
B
Thyroxine helps regulate metabolism in the body.
C
Thyroxine is stored in the pancreas.
D
Thyroxine is a peptide hormone.
Verified step by step guidance1
Begin by identifying the gland responsible for producing thyroxine. Thyroxine is produced by the thyroid gland, not the adrenal glands.
Understand the primary function of thyroxine. Thyroxine is crucial for regulating metabolism in the body, influencing how cells convert nutrients into energy.
Clarify where thyroxine is stored. Thyroxine is not stored in the pancreas; it is stored in the thyroid gland as part of thyroglobulin before being released into the bloodstream.
Determine the type of hormone thyroxine is. Thyroxine is not a peptide hormone; it is an amino acid-derived hormone, specifically a thyroid hormone.
Review the options and select the statement that accurately describes thyroxine's role in the body, focusing on its metabolic regulation function.
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