Correct Answer: B

Rationale: The correct location of the urethral meatus in females is between the clitoris and the vaginal orifice. When performing a urethral catheterization, it is crucial to identify this anatomical landmark for correct insertion of the catheter.

Correct Answer: B

Rationale: Limiting sodium intake to 2 grams per day (B) is a crucial dietary instruction for clients with heart failure. It helps manage fluid retention and reduces the workload on the heart. Increasing fluid intake (A), avoiding potassium (C), and increasing protein intake (D) are not appropriate dietary instructions for heart failure management.

Correct Answer: C

Rationale: Focusing on the client's demonstrated ability to self-administer the injection is likely to reinforce his level of competence without sounding punitive.

Correct Answer: A

Rationale: During this difficult time of coping with terminal cancer diagnosis, involving the wife in the care process can help her feel more in control and connected. This can be beneficial for both the client and his wife, as it fosters a collaborative approach to care and ensures the wife's needs and preferences are considered.

Correct Answer: C

Rationale: Evaluating hemoglobin A1c levels is the most appropriate intervention to assess glycemic control in a client with type 2 diabetes mellitus. Hemoglobin A1c levels reflect the average blood glucose control over the past 2-3 months, providing valuable information for monitoring and managing diabetes.