Multiple Choice
The hypothalamus can release the hormone somatostatin, which ______.
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16. The Endocrine System
Introduction to the Endocrine System
Multiple Choice
The hormones thyroxine and triiodothyronine are collectively known as which of the following?
A
Parathyroid hormones
B
Pituitary hormones
C
Thyroid hormones
D
Adrenal hormones
Verified step by step guidance1
Step 1: Begin by identifying the hormones mentioned in the problem: thyroxine (T4) and triiodothyronine (T3). These are key hormones involved in regulating metabolism, growth, and development.
Step 2: Recall the gland responsible for producing these hormones. Thyroxine (T4) and triiodothyronine (T3) are secreted by the thyroid gland, located in the neck below the larynx.
Step 3: Understand the classification of hormones based on their origin. Thyroxine and triiodothyronine are collectively referred to as thyroid hormones because they are produced by the thyroid gland.
Step 4: Eliminate the incorrect options by understanding their origins: Parathyroid hormones are produced by the parathyroid glands, pituitary hormones by the pituitary gland, and adrenal hormones by the adrenal glands.
Step 5: Conclude that the correct classification for thyroxine and triiodothyronine is thyroid hormones, as they are synthesized and secreted by the thyroid gland.
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