The first sign of sexual development in males is typically the:
appearance of downy hairs at the base of the penis.
enlargement and lengthening of the penis.
appearance of axillary and facial hair.
enlargement of the testicles and scrotum.
The Correct Answer is D
Rationale:
A. The appearance of downy pubic hair occurs after the initial signs of puberty and typically represents Tanner stage 2–3 development.
B. Enlargement and lengthening of the penis usually occur after testicular enlargement, often a few months later, as puberty progresses.
C. Axillary and facial hair develop in later stages of puberty and are not initial indicators of sexual maturation in males.
D. Enlargement of the testicles and scrotum is the first and most reliable sign of puberty in males, generally occurring between ages 9 and 14. Testicular growth reflects activation of the hypothalamic-pituitary-gonadal axis, leading to increased testosterone production and the subsequent development of secondary sexual characteristics. Monitoring testicular size is therefore a key component in assessing the onset and progression of male puberty.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. While taking metronidazole with food may help reduce gastrointestinal upset, the most critical instruction relates to preventing reinfection and complications.
B. Doubling doses after a missed dose is not recommended; the patient should follow standard dosing schedules.
C. Sexual intercourse should be avoided until the full course of metronidazole is completed to prevent reinfection and ensure effective treatment of bacterial vaginosis.
D. The medication should be taken for the full prescribed 7-day course, even if symptoms resolve earlier, to prevent recurrence and ensure complete eradication of the infection.
Correct Answer is C
Explanation
Rationale:
A. Isolation from daycare is generally recommended while the child is symptomatic to prevent transmission, but a fixed 7-day period is not always necessary; symptom resolution varies.
B. Antipyretics should be given as needed for fever or discomfort, not routinely every 4 hours for multiple days.
C. Acute bronchiolitis typically presents with symptoms that peak within 1–3 days, with gradual improvement. Most children experience complete resolution within 10–14 days, which is important for caregivers to understand to prevent unnecessary concern or overuse of medications.
D. Antibiotics are not indicated for viral bronchiolitis, even if nasal discharge becomes purulent, as the infection is viral and antibiotics are ineffective.
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