Correct Answer: C

Rationale: When a client is on contact precautions due to an infected draining wound, it is important to prevent contact with wound secretions. Therefore, disposing of soiled dressings in securely closed plastic bags helps contain and prevent the spread of infectious material, reducing the risk of transmission to others in the household.

Correct Answer: C

Rationale: An elevated AST level following chest pain and shortness of breath is suggestive of myocardial infarction. AST is released from damaged heart muscle cells during a heart attack, indicating cardiac involvement. This enzyme is not specific to liver disease, gallbladder disease, or skeletal muscle injury in this clinical context.

Correct Answer: C

Rationale: The correct action when bathing an uncircumcised boy older than 3 years is to gently retract the foreskin to cleanse the penis. This is important to ensure proper hygiene and prevent the accumulation of bacteria that can lead to infections. It is not advisable to defer perineal care because of the child's age, as hygiene is crucial at any age. Asking the parents about the circumcision status may not be relevant during routine perineal care. Reminding the child to clean his genital area is not as effective as directly cleaning the area during bathing.

Correct Answer: A

Rationale: The best action for the nurse is to determine the client's usual bedtime routine and include these rituals in the plan of care as safety allows. By incorporating familiar bedtime rituals that do not compromise the client's safety, the nurse can help the client fall asleep faster and improve the overall quality of care provided to the client.

Correct Answer: A

Rationale: The most crucial nursing action when assisting an older adult client with a tub bath is to check the bath water temperature. This step is essential to prevent burns from hot water or chilling from water that is too cold. Ensuring the water temperature is safe is a critical aspect of promoting the client's safety and comfort during the bathing process.