Multiple Choice
Which hormone, released from the posterior pituitary, stimulates uterine contractions during labor?
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16. The Endocrine System
The Hypothalamus and Pituitary Gland
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Which hormone is released (secreted) by the posterior pituitary gland?
A
Thyroid-stimulating hormone (TSH)
B
Antidiuretic hormone (ADH, vasopressin)
C
Prolactin (PRL)
D
Adrenocorticotropic hormone (ACTH)
Verified step by step guidance1
Understand the function of the posterior pituitary gland: it primarily stores and releases hormones produced by the hypothalamus rather than synthesizing its own hormones.
Recall the two main hormones released by the posterior pituitary: Antidiuretic hormone (ADH, also called vasopressin) and oxytocin.
Identify the hormones listed in the problem and determine their source: Thyroid-stimulating hormone (TSH), Prolactin (PRL), and Adrenocorticotropic hormone (ACTH) are all secreted by the anterior pituitary gland, not the posterior pituitary.
Recognize that Antidiuretic hormone (ADH) is the hormone released by the posterior pituitary gland, responsible for regulating water balance in the body by acting on the kidneys.
Conclude that among the options given, Antidiuretic hormone (ADH, vasopressin) is the correct hormone secreted by the posterior pituitary gland.
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