A physician writes the following order: administer ampicillin 1 g IV every 4 hours until delivery for a newly admitted client with ruptured membranes.
The client had positive vaginal and rectal cultures for GBS+ at 36 weeks gestation.
Which of the following is a rationale for this order?
The bacteria cause perineal sepsis.
The client is at risk for chorioamnionitis.
The bacteria are sexually transmitted.
The baby is at high risk for neonatal sepsis.
The Correct Answer is D
Choice A rationale
Group B Streptococcus (GBS) is not typically associated with perineal sepsis; rather, it is a bacterium that colonizes the gastrointestinal and genitourinary tracts.
Choice B rationale
While GBS colonization can pose risks, chorioamnionitis is a different infection involving the membranes and amniotic fluid, often caused by a variety of microorganisms, not solely GBS.
Choice C rationale
GBS is not primarily sexually transmitted; it is a bacterium naturally present in the genital and digestive tracts, and colonization can occur without sexual contact.
Choice D rationale
Neonatal sepsis is a serious risk for babies born to mothers colonized with GBS, necessitating antibiotic prophylaxis to prevent transmission and subsequent infection in the newborn.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Fetal movement felt by the pregnant woman is a presumptive sign of pregnancy, indicating probable fetal presence, but not definitive evidence.
Choice B rationale
Fetal heart rate noted on ultrasound is a positive sign of pregnancy, providing objective evidence of fetal existence within the uterus.
Choice C rationale
A positive pregnancy test indicates probable pregnancy due to hormonal presence, but it is not a definitive confirmation without further clinical evidence.
Choice D rationale
Braxton Hicks contractions are considered probable signs of pregnancy, as they indicate uterine activity without confirming the presence of a fetus.
Correct Answer is C
Explanation
Choice A rationale
Placental uterine insufficiency causes late decelerations, not early decelerations. Late decelerations indicate decreased placental perfusion and inadequate fetal oxygenation.
Choice B rationale
Umbilical cord compression leads to variable decelerations, characterized by abrupt decreases in fetal heart rate. Early decelerations are unrelated to cord compression.
Choice C rationale
Early decelerations are caused by head compression during contractions. This reflex response results in vagal stimulation and a uniform, gradual decrease in fetal heart rate, mirroring contractions.
Choice D rationale
Spontaneous rupture of membranes can influence labor progress but does not cause early decelerations. Early decelerations are primarily associated with head compression during contractions.
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