Correct Answer: A

Rationale: The priority nursing intervention for a child with leukemia receiving chemotherapy is monitoring for signs of infection. Chemotherapy can suppress the immune system, increasing the risk of infections. Detecting and managing infections promptly is crucial to prevent complications and improve outcomes. Providing nutritional support is important, but infection prevention takes precedence due to the immediate threat it poses to the child's health. Monitoring for signs of bleeding is relevant in leukemia due to decreased platelet count, but infection surveillance is more critical. Monitoring for signs of pain is essential, but addressing infections promptly is the priority to prevent further deterioration in the child's condition.

Correct Answer: B

Rationale: Using a doll to demonstrate the procedure is the most appropriate preoperative teaching method for a 2-year-old child. It helps them understand what to expect in a non-threatening way by providing a visual representation of the upcoming surgery. Explaining the procedure in simple terms may be too abstract for a child of this age, as they may not fully comprehend verbal explanations. Showing pictures of the hospital environment may not be as effective as using a doll, as it may not provide a concrete understanding of the actual procedure. Allowing the child to play with medical equipment is unsafe and does not adequately prepare them for the surgery, as it may lead to misunderstandings or fear regarding the equipment's actual use during the surgery.

Correct Answer: A

Rationale: In caring for a child with cerebral palsy, skeletal traction is least likely to be a part of the treatment plan. Cerebral palsy is a neurological disorder affecting movement and muscle coordination, and skeletal traction, which involves applying a pulling force on a bone to correct alignment, is not a common intervention for this condition. Physical therapy, orthotics, and occupational therapy are more commonly used in the management of cerebral palsy. Physical therapy helps improve mobility and strength, orthotics assist in supporting and aligning the body, and occupational therapy focuses on enhancing daily living skills and independence. Therefore, skeletal traction is the least likely treatment option among the choices provided.

Correct Answer: B

Rationale: The correct answer is B. Setting the water heater at 130 degrees is incorrect because water heaters should be set to no higher than 120 degrees to prevent scald burns. Choice A is correct as leaving fireworks displays to professionals reduces the risk of burns. Choice C is also correct as flame-retardant sleepwear reduces the risk of burn injuries. Choice D is correct as keeping pot handles facing inward prevents accidental spills and burns.

Correct Answer: A

Rationale: The correct answer is A: Syndrome of inappropriate antidiuretic hormone (SIADH). Vasopressin is a medication used to treat diabetes insipidus by increasing water reabsorption in the kidneys. However, an excessive dose of vasopressin can lead to water retention, causing SIADH, which is characterized by dilutional hyponatremia. Choices B, C, and D are incorrect. Thyroid storm is a severe form of hyperthyroidism characterized by increased metabolism and can lead to life-threatening complications. Cushing syndrome results from excess cortisol production and is characterized by weight gain, hypertension, and other features. Vitamin D toxicity occurs due to an overdose of vitamin D, leading to hypercalcemia and symptoms such as nausea, vomiting, and weakness.