The posterior pituitary secretes.
prolactin (PRL)
thyroid hormone (TH)
adrenocorticotropic hormone (ACTH)
growth hormone (GH)
oxytocin (OT)
The Correct Answer is E
A. Prolactin (PRL): Prolactin is produced and secreted by the anterior pituitary (lactotrophs), not the posterior pituitary.
B. Thyroid hormone (TH): Thyroid hormones (T3/T4) are produced by the thyroid gland, not by the pituitary.
C. Adrenocorticotropic hormone (ACTH): ACTH is produced by the anterior pituitary (corticotrophs), not the posterior.
D. Growth hormone (GH): GH is secreted by the anterior pituitary (somatotrophs), not the posterior.
E. Oxytocin (OT): Oxytocin is synthesized in the hypothalamus and stored/released by the posterior pituitary
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"A"}
Explanation
A. Kidneys: ADH (vasopressin) increases water reabsorption in the kidney’s collecting ducts, reducing urine volume and conserving body water.
B. Pancreas: The pancreas regulates blood sugar via insulin and glucagon; it is not the target of ADH.
C. Hypothalamus: ADH is synthesized in the hypothalamus (supraoptic & paraventricular nuclei), but the hypothalamus is not its main target organ.
D. Anterior pituitary: The anterior pituitary is regulated by hypothalamic releasing hormones, not ADH.
E. Adrenal gland: The adrenal gland produces corticosteroids and catecholamines, but ADH does not act directly on it.
Correct Answer is C
Explanation
A. The chemical properties of the hormone: Chemical properties (lipid-soluble vs water-soluble) determine how a hormone reaches/enters cells and what type of receptor it uses, but they do not by themselves make a specific cell responsive.
B. The location of the gland that secretes the hormone: Where the hormone is secreted from does not determine whether a particular cell is responsive.
C. The location of the target cells in the body: A cell becomes responsive to a particular hormone only if it possesses specific receptors for that hormone. These receptors can be on the cell surface or inside the cell, depending on the hormone type.
D. The site where the hormone is secreted: The secretion site does not determine a cell’s responsiveness.
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