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 C
Explanation
Choice A rationale
Testosterone is primarily a male hormone and does not play a role in pregnancy detection. Its presence would not indicate pregnancy or contribute to a positive pregnancy test result.
Choice B rationale
Progesterone supports pregnancy by maintaining the uterine lining but is not the hormone detected by pregnancy tests. Its levels do rise in pregnancy, but it is not used as a marker for detection.
Choice C rationale
Human Chorionic Gonadotropin (HCG) is produced by the placenta shortly after fertilization. Its presence in urine or blood is the basis for positive pregnancy test results. Normal HCG levels rise rapidly in early pregnancy.
Choice D rationale
Estrogen levels increase during pregnancy, but like progesterone, it is not used for pregnancy detection. Estrogen supports various pregnancy-related functions but is not detected in pregnancy tests.
Correct Answer is D
Explanation
Choice A rationale
Valsalva maneuver involves forced expiration against a closed airway, increasing intrathoracic pressure and used to aid in expelling the fetus during labor.
Choice B rationale
Ferguson’s reflex involves the release of oxytocin due to vaginal and cervical stretching, resulting in stronger contractions during the second stage of labor.
Choice C rationale
Lightening refers to the descent of the fetus into the pelvis before labor, relieving pressure on the diaphragm and easing breathing.
Choice D rationale
Molding is the slight overlapping of cranial bones, allowing the fetal head to shape and fit through the birth canal during labor.
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