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.
Nursing Test Bank
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 ["A","D","E"]
Explanation
Choice A rationale
Human chorionic gonadotropin (hCG) maintains the corpus luteum, ensuring the continued production of progesterone and estrogen, which are crucial for maintaining pregnancy.
Choice B rationale
Testosterone is not produced by the placenta during pregnancy, but is rather a male sex hormone produced primarily by the testes in males and small amounts by the ovaries in females.
Choice C rationale
Insulin is not produced by the placenta; it is a hormone produced by the pancreas that regulates blood glucose levels in the mother's body during pregnancy.
Choice D rationale
Estrogen produced by the placenta stimulates the growth of the uterus and helps regulate various functions essential for a healthy pregnancy.
Choice E rationale
Progesterone produced by the placenta helps maintain the uterine lining, reduces uterine contractions, and supports a favorable environment for fetal development throughout pregnancy.
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