A nurse is reviewing the laboratory report for a client who is in active labor. The client tested positive for group B streptococcus B-hemolytic. Which of the following medications should the nurse plan to administer to the client?
Doxycycline.
Cefotetan.
Ampicillin.
Fluconazole.
The Correct Answer is C
The correct answer is c. Ampicillin.
Rationale:
- Group B Streptococcus (GBS) B-hemolytic is a bacterium that can colonize the vagina and rectum of pregnant women. While usually harmless to the mother, it can be passed to the newborn during birth and cause serious infections, including pneumonia, meningitis, and sepsis.
- Ampicillin is the first-line antibiotic recommended by the Centers for Disease Control and Prevention (CDC) for the prevention of GBS disease in newborns. It belongs to the penicillin class of antibiotics, which are highly effective against GBS and generally well-tolerated by pregnant women and newborns.
- Doxycycline is not recommended for GBS prophylaxis due to its poor penetration into amniotic fluid and potential for causing tooth discoloration and bone development problems in newborns.
- Cefotetan is an alternative option for women with penicillin allergy, but ampicillin is still preferred due to its lower cost and broader spectrum of activity against GBS strains.
- Fluconazole is an antifungal medication and has no activity against GBS bacteria.
Detailed Rationale for Each Choice:
a. Doxycycline:
- Rationale against:
- Poor penetration into amniotic fluid: Doxycycline does not effectively reach the amniotic sac, where the baby is surrounded, and therefore may not adequately protect the newborn from GBS infection.
- Adverse effects in newborns: Doxycycline can cause tooth discoloration and bone development problems in infants exposed in utero.
b. Cefotetan:
- Rationale for:
- Alternative for penicillin allergy: Cefotetan is a cephalosporin antibiotic effective against GBS and can be used in women with penicillin allergy.
- Rationale against:
- Second-line option: Ampicillin is the preferred choice due to its lower cost and broader spectrum of activity against GBS strains.
c. Ampicillin:
- Rationale for:
- First-line antibiotic: Ampicillin is the CDC-recommended first-line antibiotic for GBS prophylaxis due to its:
- High effectiveness against GBS: Ampicillin has a broad spectrum of activity against GBS strains.
- Good safety profile: Ampicillin is generally well-tolerated by pregnant women and newborns.
- Cost-effectiveness: Ampicillin is a relatively inexpensive antibiotic compared to other options.
- First-line antibiotic: Ampicillin is the CDC-recommended first-line antibiotic for GBS prophylaxis due to its:
d. Fluconazole:
- Rationale against:
- Antifungal medication: Fluconazole is an antifungal medication and has no activity against GBS, which is a bacterium.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Allowing parents to enter the nursery while wearing masks may be a preventive measure for some situations, but it is not a standard infection control procedure in a newborn nursery.
Choice B rationale:
Airborne precautions are not required for routine infection control in a newborn nursery. They are typically reserved for specific airborne-transmitted infections.
Choice C rationale:
Placing the newborn's foot on a sterile field during a heel stick is a procedure to maintain sterile technique but is not a general infection control instruction for the nursery.
Choice D rationale:
Placing newborn bassinets at least 3 feet apart is a crucial infection control measure in a newborn nursery. It helps prevent cross-contamination and the spread of infections among newborns. Proper spacing allows for better airflow and reduces the risk of contact transmission between infants.
Correct Answer is C
Explanation
Choice A rationale:
The nurse should not include the information about beginning Kegel exercises 6 to 7 weeks after delivery because Kegel exercises are pelvic floor exercises that help improve bladder control and should be started earlier, immediately after childbirth. Delaying the exercises for 6 to 7 weeks could result in weaker pelvic floor muscles and potentially exacerbate postpartum urinary issues.
Choice B rationale:
The nurse should not include the information that the client doesn't need to use birth control if exclusively breastfeeding. While exclusive breastfeeding can provide some natural contraceptive effect, it is not a reliable method, and there is still a risk of pregnancy during the postpartum period. The nurse should advise the client to use appropriate birth control methods to prevent unintended pregnancies.
Choice C rationale:
This is the correct answer. The nurse should include information about the client's breasts becoming firm and tender 3 to 5 days after delivery. This is a normal physiological response known as engorgement, which occurs as the breasts prepare for breastfeeding.
Choice D rationale:
The nurse should not inform the client that her bleeding will remain bright red for the next 6 to 8 weeks. While some postpartum bleeding is normal (known as lochia), the color and amount of bleeding change over time. Initially, it is bright red and gradually transitions to a lighter color over the following weeks.
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