Low levels of oxygen stimulate the kidneys to secrete which hormone?
Erythropoietin
Renin
ADH
Aldosterone
The Correct Answer is A
A. Erythropoietin:
Erythropoietin is released by the kidneys in response to hypoxia to stimulate red blood cell production.
B. Renin:
Renin is secreted in response to low blood pressure, not low oxygen levels.
C. ADH:
ADH responds to high plasma osmolality and low blood volume, not oxygen levels.
D. Aldosterone:
Aldosterone is secreted in response to low sodium or high potassium, and part of the RAAS, not oxygen deficiency.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Progesterone: Related to reproductive cycle; not primary in stress response.
B. Testosterone: May decrease under stress, but this is not the primary indicator.
C. Cortisol: Cortisol is a stress hormone secreted by the adrenal cortex; elevated in stress.
D. LH: May fluctuate with stress, but not a main stress indicator.
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.
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