The nurse is assessing an infant and notes that the infant's urine has a mousy or musty odor. What would the nurse suspect?

Correct Answer: C

Rationale: The correct answer is C: Phenylketonuria (PKU). PKU is suggested by a mousy or musty odor of the urine, which is caused by the inability to metabolize phenylalanine. Choice A, Maple syrup urine disease, is characterized by a sweet-smelling urine. Choice B, Tyrosinemia, typically presents with cabbage-like odor in the urine. Choice D, Trimethylaminuria, is associated with a fishy odor in the urine, breath, and sweat.

Correct Answer: D

Rationale: Toddlers subjected to prolonged hospitalization with limited parental visits often exhibit a limited emotional response to the environment. This behavior is a common coping mechanism in young children facing such situations. While cheerful interactions with staff members (choice A) may occur occasionally, the overall response tends to be subdued. Indications of sadness throughout the day (choice B) and excessive crying when parents are not present (choice C) are less typical in this scenario, as the child may have learned to suppress emotions due to the challenging circumstances.

Correct Answer: D

Rationale: Toddlers striving for autonomy need to develop internal controls to foster their independence. Teaching the child to share (Choice A) focuses more on social skills rather than autonomy. Helping the child learn society's roles (Choice B) is important but not directly related to enhancing autonomy. Teaching the child to accept external limits (Choice C) is contrary to promoting autonomy as it emphasizes conformity to external rules rather than internal self-regulation.

Correct Answer: A

Rationale: When observing a toddler in a playroom with other children, a caregiver would expect to witness parallel play. Parallel play is common among toddlers, where they play alongside but not directly with other children. This type of play is characterized by children engaging in similar activities near each other without interactive or cooperative play. Solitary play (Choice B) involves a child playing alone, while cooperative play (Choice C) involves children playing together towards a common goal. Competitive play (Choice D) involves activities where children compete against each other.

Correct Answer: D

Rationale: Preparing a toddler for a CT scan involves providing a simple explanation of the procedure to reduce anxiety and help the child understand what will happen. This approach helps establish trust and cooperation, making the experience less frightening for the child. Shaving the head, starting an IV infusion, or administering a sedative are not typically part of the preparation for a CT scan in a toddler and may not be necessary or appropriate in this scenario.