Oxytocin:
is a gonadotropin
is secreted by the kidneys
Stimulates the uterine muscle to contract, thereby assisting in labor
Stimulates kidneys to reabsorb Na+ and water increasing blood volume
The Correct Answer is C
A. Is a gonadotropin: Gonadotropins include FSH and LH, not oxytocin.
B. Is secreted by the kidneys: Oxytocin is secreted by the posterior pituitary.
C. Stimulates the uterine muscle to contract, thereby assisting in labor: Oxytocin is key in labor and delivery.
D. Stimulates kidneys to reabsorb Na+ and water: That is the role of aldosterone and ADH, not oxytocin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Chorionic gonadotropin:
This hormone is produced during pregnancy and supports the corpus luteum but is not involved in male secondary sex characteristics or spermatogenesis.
B. Progesterone:
Progesterone is a female hormone involved in preparing the uterus for pregnancy, not male sexual development or sperm production.
C. ACTH:
Adrenocorticotropic hormone stimulates the adrenal cortex to produce cortisol; it does not affect male sex characteristics.
D. Testosterone:
Testosterone is the main male sex hormone responsible for sperm formation and the development of male secondary sex characteristics.
Correct Answer is A
Explanation
A. Low blood volume and hypotension: Aldosterone promotes sodium and water retention; its deficiency leads to fluid loss and low BP.
B. High blood pressure: Aldosterone excess, not deficiency, would raise BP.
C. Low blood potassium levels: Aldosterone promotes potassium excretion; deficiency would raise potassium levels.
D. Goiter formation: Goiter is associated with thyroid dysfunction, not aldosterone.
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