Correct Answer: B

Rationale: The correct response for the nurse to provide in this situation is to ask more questions to determine if the infant is displaying symptoms of colic. Colic is a common condition in infants that can lead to prolonged crying and fussiness. It is essential to assess for other symptoms before giving advice to the parent. Choices A, C, and D are incorrect because they do not address the possibility of colic or the need for further assessment of the infant's condition.

Correct Answer: D

Rationale: Gender assignment in cases of ambiguous genitalia is a complex process that requires a multidisciplinary approach, including genetic, endocrinological, and psychological evaluations. The decision should be made collaboratively with the parents.

Correct Answer: D

Rationale: Minimal change nephrotic syndrome is characterized by massive proteinuria, hypoalbuminemia, and edema due to the loss of protein in the urine. Hematuria, bacteriuria, and weight loss are not typical features of this condition.

Correct Answer: B

Rationale: The most effective method to prevent infection in newborns is by practicing proper hand hygiene by staff and family. This is crucial as it helps reduce the transmission of infectious agents, protecting vulnerable newborns. Using disposable items may help, but proper hand hygiene is more effective. Administering prophylactic antibiotics without a specific indication can lead to antibiotic resistance and is not recommended. Isolating the newborn from others is not practical and may not be necessary if proper hand hygiene is maintained.

Correct Answer: A

Rationale: It is important for the nurse to provide the parents with accurate information so they can confidently explain the situation to others, helping to reduce stress and misinformation. Avoiding family and friends or minimizing the problem is not helpful.