The correct answer is **d. Monitor the infant for response to auditory stimuli**.

Choice A rationale:

Drawing an antibiotic trough level within 3 days is not a necessary action after a 14-day antibiotic treatment for bacterial meningitis in an infant. Trough levels are typically monitored during the course of treatment to ensure appropriate dosing, not after completion of therapy.

Choice B rationale:

Administering antipyretic medication continuously is not recommended after the completion of antibiotic treatment for bacterial meningitis. Fever is a common symptom during the acute phase of the illness, and the need for antipyretics should decrease as the infection is resolved.

Choice C rationale:

Continuing strict monitoring of daily wet diapers for 1 week is not a necessary action after the completion of antibiotic treatment for bacterial meningitis. Monitoring fluid intake and output is important during the acute phase of the illness, but not necessarily after the infant has completed the full course of antibiotics.

Choice D rationale:

Monitoring the infant for response to auditory stimuli is an important action to include when preparing the family for discharge after a 14-day antibiotic treatment for bacterial meningitis. Hearing loss is a potential complication of bacterial meningitis, and the infant should be evaluated for any hearing impairment before being discharged from the hospital.

Choice A rationale

Immediately after delivery, the breasts of a new mother are not likely to remain the same as before delivery. Hormonal changes during pregnancy prepare the breasts for lactation, and these changes do not typically revert immediately after delivery.

Choice B rationale

On the first postpartum day, the breasts of a new mother are most likely to be filling and secreting colostrum. Colostrum is the first form of milk produced by the mammary glands, and it usually starts to be produced during pregnancy and continues during the early days of breastfeeding.

Choice C rationale

An immediate let-down response is not typically observed on the first postpartum day. The letdown reflex, which releases milk from the breast, usually becomes more pronounced after the first few days of breastfeeding.

Choice D rationale

While the breasts may become larger due to milk production, they are not typically very tender to touch on the first postpartum day. Tenderness may occur later, especially if complications like engorgement or mastitis develop.