A nurse is teaching a newly licensed nurse about the uses of ultrasonography in the first trimester of pregnancy. Which of the following statements by the newly licensed nurse indicates an understanding of the teaching?

The correct answer is choice A, administer broad-spectrum antibiotics.

Choice A rationale:

Administering broad-spectrum antibiotics is crucial for a newborn with a myelomeningocele that is leaking cerebrospinal fluid to prevent infection. The leaking of cerebrospinal fluid can increase the risk of meningitis, which is an infection of the membranes covering the brain and spinal cord. Broad-spectrum antibiotics are used as a prophylactic measure to reduce this risk.

Choice B rationale:

Monitoring the rectal temperature every 4 hours is important for detecting fever, which could indicate infection. However, it is not the most immediate action required for a newborn with a leaking myelomeningocele. The priority is to prevent infection through the administration of antibiotics.

Choice C rationale:

Cleansing the site with povidone-iodine is not recommended for a myelomeningocele because it can be toxic to the exposed neural tissue. Instead, the area should be covered with a sterile saline dressing to protect the site and prevent drying and further damage to the neural tissue.

Choice D rationale:

While surgical closure is necessary for a newborn with myelomeningocele, it is typically performed within 24 to 48 hours after birth, not after 72 hours. Early closure is essential to reduce the risk of infection and further damage to the exposed spinal cord and nerves.

Choice A rationale:
Increased fetal movement is a positive sign during pregnancy and indicates the well-being of the baby. It is not a concern and does not require reporting.

Choice B rationale:
Increased urinary output may be expected in a client receiving magnesium sulfate due to its diuretic effects. This finding is not alarming and does not require immediate reporting unless it is associated with other concerning symptoms.

Choice C rationale:
Increased muscle weakness is a potential side effect of magnesium sulfate administration. It is important to monitor the client for signs of magnesium toxicity, and increased muscle weakness should be reported promptly as it may indicate the need for adjustments in the dosage or administration of the medication.

Choice D rationale:
Increased respiratory rate is not typically associated with magnesium sulfate use and is unlikely to be a concerning finding in this context. However, it's always essential to monitor respiratory status, but it may not be specifically related to the magnesium sulfate treatment.