An adolescent was diagnosed with primary syphilis. He has no known drug allergies. The most appropriate treatment would be:

a single dose of cefoxitin (Mefoxin) IM.

a single dose of benzathine penicillin G (Bicillin LA) IM.

cefaxitin (Mefoxin) IM weekly for 3 doses.

benzathine penicillin G (Bicillin LA) IM weekly for 3 doses.

Answer and Explanation

The Correct Answer is B

Rationale:
A. Cefoxitin is not effective against Treponema pallidum, the causative agent of syphilis.
B. A single intramuscular dose of benzathine penicillin G (Bicillin LA) is the recommended treatment for primary syphilis in patients without penicillin allergy. This regimen effectively eradicates the infection and prevents progression.
C. Multiple doses of cefoxitin are unnecessary and not indicated for syphilis.
D. Weekly dosing for 3 weeks of benzathine penicillin G is reserved for late latent syphilis or tertiary syphilis, not primary syphilis.

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Correct Answer is D

Explanation

Rationale:
A. Hypoxia may cause some stress responses but is not the most common cause of temperature instability in a newborn.
B. Congenital heart disease can affect perfusion but typically does not directly cause temperature instability.
C. Polycythemia may affect circulation but is not a primary cause of abnormal temperature regulation.
D. Sepsis is a common cause of temperature instability in newborns, manifesting as hypothermia or hyperthermia. Newborns have immature thermoregulatory systems, and infections can easily disrupt temperature homeostasis, making temperature instability an important early sign of neonatal sepsis.

A. abdominal striae. B. a positive pregnancy test. C. breast tenderness. D. Goodell's sign.

Correct Answer is C

Explanation

Rationale:
A. Abdominal striae are a probable or later sign of pregnancy and are not useful for early suspicion.
B. A positive pregnancy test is a positive sign, confirming the presence of human chorionic gonadotropin (hCG), not merely a presumptive indication.
C. Breast tenderness is a presumptive sign of pregnancy because it is based on subjective symptoms reported by the adolescent and may be caused by other conditions as well.
D. Goodell’s sign (softening of the cervix) is considered a probable sign of pregnancy, as it is an objective finding but not definitive.

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An adolescent was diagnosed with primary syphilis. He has no known drug allergies. The most appropriate treatment would be:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Temperature instability in a newborn could result from:

Correct Answer is D

Explanation

A presumptive sign that would lead the nurse practitioner to suspect pregnancy in an adolescent is:

Correct Answer is C

Explanation

The formula used to calculate daily insulin requirements in children younger than 12 years who have type 1 diabetes mellitus is:

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