A nurse is reinforcing teaching with a client who is undergoing amniotic fluid assessment for the lecithin/sphingomyelin ratio. Which of the following client statements indicates an understanding of the teaching?
The results can indicate a genetic disorder.
This test determines how well my placenta is functioning.
This test is done if there is a risk of an Rh incompatibility.
The results will show if my baby's lungs are mature.
The Correct Answer is D
Choice A rationale
Lecithin/sphingomyelin (L/S) ratio does not indicate genetic disorders; it's used to assess fetal lung maturity.
Choice B rationale
The test does not determine placental function. It specifically evaluates fetal lung maturity through the ratio of lecithin to sphingomyelin in amniotic fluid.
Choice C rationale
The test is not used to assess the risk of Rh incompatibility. The L/S ratio focuses on lung development rather than blood compatibility issues.
Choice D rationale
The L/S ratio assesses the baby's lung maturity, indicating if the lungs produce enough surfactant for proper function after birth.
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Correct Answer is A
Explanation
Choice A rationale
"You will be tested again for GBS at about 36 weeks of gestation.”. This is correct because retesting for GBS at 35-37 weeks of gestation is standard practice to identify colonization status before delivery, which helps in planning intrapartum antibiotic prophylaxis.
Choice B rationale
"If you test positive for GBS, the provider will need to perform a cesarean birth.”. This is incorrect because GBS colonization is not an indication for cesarean delivery. The primary intervention is antibiotic administration during labor to prevent neonatal infection.
Choice C rationale
"You will take an antibiotic during the last 2 weeks of pregnancy to avoid transferring GBS to your baby.”. This is incorrect because antibiotics are given intrapartum (during labor) to prevent GBS transmission, not during the last weeks of pregnancy.
Choice D rationale
"This infection can cause your baby to experience hearing loss at birth.”. This is incorrect because GBS infection primarily causes sepsis, pneumonia, and meningitis in neonates, not hearing loss.
Correct Answer is B
Explanation
Choice A rationale
Disabling the driver-side airbags is not advisable as airbags provide crucial protection in the event of a collision. Proper seating position is a safer alternative.
Choice B rationale
Moving the seat as far away as possible from the steering wheel reduces the risk of injury from airbag deployment and allows ample space for the growing abdomen, providing better safety for both mother and baby.
Choice C rationale
Wearing the lap belt high across the abdomen is incorrect and dangerous as it can cause injury to the fetus. The belt should be low across the hips.
Choice D rationale
Placing the shoulder harness across the gravid uterus is incorrect. The harness should go between the breasts and to the side of the belly, not across it, to avoid compression injuries in the event of a crash.