Estrogen and progesterone are:
Responsible for uterine contractions.
Secreted by the ovaries.
Hormonal stimuli for the release of T3 and T4.
Responsible for milk production.
The Correct Answer is B
A. Responsible for uterine contractions: Oxytocin is responsible for contractions during labor.
B. Secreted by the ovaries: Estrogen and progesterone are the primary female sex hormones secreted by the ovaries.
C. Hormonal stimuli for the release of T3 and T4: Thyroid-stimulating hormone (TSH), not estrogen/progesterone, triggers T3/T4 release.
D. Responsible for milk production: Prolactin is responsible for milk production.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Is accompanied by an increase in estrogen and progesterone secretion: Menopause is actually marked by a decrease in estrogen and progesterone due to the decline in ovarian function.
B. Is always accompanied by severe symptoms: While some women experience severe symptoms (hot flashes, mood changes), not all do. Symptoms vary greatly.
C. Usually occurs in the late 20s and early 30s: Menopause typically occurs between ages 45 and 55.
D. Is accompanied by a gradual decrease in menstrual periods: Menopause involves the gradual cessation of menstrual cycles as ovarian hormone production wanes.
Correct Answer is C
Explanation
A. Prolactin:
Prolactin promotes lactation, not growth.
B. Thyroid-stimulating hormone (TSH):
TSH regulates the thyroid gland but is not the primary growth hormone.
C. Growth hormone (GH):
GH, secreted by the anterior pituitary, stimulates growth in bones and tissues.
D. Adrenocorticotropic hormone (ACTH):
ACTH stimulates the adrenal cortex, not growth.
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