Correct Answer: A

Rationale: Creatinine is the correct answer. In acute kidney injury, creatinine levels are expected to be elevated due to impaired renal function. Magnesium, hemoglobin, and white blood cell count are not typically elevated in acute kidney injury. Magnesium levels may be affected in kidney disease, but elevation is not a common finding in acute kidney injury.

Correct Answer: C

Rationale: The correct answer is C because the patient's voluntary or involuntary status should not impact the nurse's actions when using restraints. The use of restraints should be based on the patient's behavior and the need to ensure their safety and the safety of others. Choices A, B, and D are important factors that should influence the nurse's actions. The institution's restraints/seclusion policies provide guidelines on the appropriate use of restraints, the patient's competence helps determine their understanding and ability to control their behavior, and the patient's nursing care plan guides the overall care provided, including the use of restraints if necessary.

Correct Answer: B

Rationale: The correct answer is to wear gloves when applying the transdermal nicotine patch to prevent the nurse from absorbing nicotine through the skin. Choice A is incorrect because shaving hairy areas of skin is not necessary for applying a transdermal patch. Choice C is incorrect as transdermal patches should be applied immediately after removal from the protective pouch, not necessarily within 1 hour. Choice D is incorrect because the previous patch should be disposed of properly following institutional guidelines, not placed in a tissue.

Correct Answer: D

Rationale: The correct answer is D. An HbA1c level less than 7% indicates good long-term glucose control for clients with diabetes. This goal reflects optimal glycemic control and reduces the risk of long-term complications. Choices A, B, and C are incorrect because they do not represent appropriate goals for managing type 1 diabetes in an adolescent. An HbA1c level greater than 8% (choice A) signifies poor glucose control, while a blood glucose level greater than 200 mg/dL at bedtime (choice B) and a blood glucose level less than 60 mg/dL before breakfast (choice C) are not within the target ranges for safe and effective diabetes management.

Correct Answer: C

Rationale: Dry skin is a common manifestation of hypothyroidism due to decreased thyroid hormone levels, leading to reduced sweating and oil production. Weight gain may occur due to a slowed metabolism, not diarrhea, as hypothyroidism is more commonly associated with constipation. Hair loss is typically associated with hyperthyroidism, not hypothyroidism.