Correct Answer: A

Rationale: The correct instruction the nurse should provide is that the medication can cause the client's urine to turn a dark color, which is a harmless effect of carbidopa/levodopa. This is due to the metabolites of levodopa. Immediate relief is not expected after taking the medication because it may take weeks to months to achieve the full therapeutic effect. Taking the medication with a high-protein food is not recommended as protein can interfere with the absorption of levodopa. Skipping a dose of the medication if the client experiences dizziness is incorrect as dizziness may be a side effect of the medication, and doses should not be skipped without consulting a healthcare provider.

Correct Answer: B

Rationale: Clients with chronic kidney disease often have difficulty regulating potassium levels in their blood. A potassium-restricted diet helps prevent hyperkalemia, a common complication in these clients. High sodium diet (Choice A) is typically avoided in kidney disease to prevent fluid retention and high blood pressure. High phosphorus diet (Choice C) is usually restricted in kidney disease as elevated phosphorus levels can lead to bone and heart problems. While protein is important for overall health, a high protein diet (Choice D) can put extra strain on the kidneys and is usually limited in chronic kidney disease.

Correct Answer: D

Rationale: The nurse should encourage the client to attend a support group for individuals with burn injuries. Support groups can provide emotional support, promote acceptance of altered appearance, and help the client cope with the changes. Choice A is incorrect because it may not address the client's emotional needs. Choice B is incorrect as suggesting a timeline for cosmetic surgery may not be appropriate without considering the client's physical and emotional readiness. Choice C is incorrect as reconstructive surgery may not completely restore the client's previous appearance and may set unrealistic expectations.

Correct Answer: B

Rationale: A positive Kernig's sign is identified when a client is unable to extend their leg completely without pain after hip flexion. This finding indicates meningeal irritation. Choices A, C, and D do not describe Kernig's sign. Choice A describes a normal plantar reflex, choice C refers to coordination issues, and choice D describes neck pain and stiffness, which are not specific to Kernig's sign.

Correct Answer: C

Rationale: The client presents with bradycardia, diaphoresis, and chest pain, indicating reduced cardiac output. Atropine is the appropriate choice as it increases heart rate by blocking the parasympathetic nervous system. Lidocaine is used for ventricular arrhythmias, Adenosine for supraventricular tachycardia, and Verapamil for controlling heart rate in atrial fibrillation or atrial flutter. These medications are not suitable for the client's current presentation.