Primary amenorrhea may be attributed to:
polycystic ovarian syndrome (PCOS).
hyperprolactinemia.
Turner's syndrome.
ovarian failure.
The Correct Answer is C
Rationale:
A. Polycystic ovarian syndrome (PCOS) typically causes secondary amenorrhea, not primary amenorrhea, as menstruation usually begins normally.
B. Hyperprolactinemia can lead to secondary amenorrhea by disrupting the hypothalamic-pituitary-ovarian axis.
C. Turner's syndrome, a chromosomal disorder (45,X), is a common cause of primary amenorrhea due to gonadal dysgenesis, resulting in absent or delayed puberty.
D. Ovarian failure usually leads to secondary amenorrhea after menarche, rather than primary amenorrhea.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. Mongolian spots are usually blue-gray, congenital, and most often found on the sacral or buttock area in newborns; they are not light-brown with smooth edges.
B. Erythema toxicum presents as red, blotchy macules or papules with a yellow-white center and typically appears in the first few days of life; they are not light-brown pigmented lesions.
C. Café-au-lait spots are light-brown, smooth-edged, round or oval macules that can vary in size but are usually under 2 cm in younger children. Multiple café-au-lait spots can be associated with neurofibromatosis type 1 if six or more are present.
D. Congenital ichthyosis manifests as generalized scaling or thickened skin, not as discrete pigmented macules.
Correct Answer is C
Explanation
Rationale:
A. Giardia infections can persist or recur; monitoring is recommended even if symptoms improve.
B. 7–14 days may be too soon for reliable detection of persistent infection, as cysts may not yet be shed consistently.
C. A follow-up stool specimen 3 to 4 weeks after treatment ensures eradication of Giardia lamblia and confirms that the infection has resolved, especially since cyst shedding may be intermittent.
D. Testing immediately upon completion of metronidazole may yield false-negative results due to intermittent cyst shedding; waiting a few weeks provides a more accurate assessment.
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