Correct Answer: A

Rationale: When mixing regular insulin with another insulin preparation, it is crucial to withdraw the regular insulin first to prevent contamination. NPH insulin should be drawn after the regular insulin to maintain the integrity of each insulin type. Therefore, if the client withdraws the NPH insulin first, it indicates the need for further teaching.

Correct Answer: C

Rationale: Before starting INH therapy for tuberculosis, it is essential to assess liver enzyme levels as INH can cause hepatotoxicity. Monitoring liver enzyme levels before and during the initial 3 months of therapy is crucial to detect any liver damage early and prevent further complications.

Correct Answer: C

Rationale: Triple therapy for Helicobacter pylori infection usually includes two antibacterial drugs and a proton pump inhibitor. These medications will kill the bacteria and decrease acid production.

Correct Answer: B

Rationale: Propylthiouracil (PTU) is a medication commonly used to treat hyperthyroidism, including Graves' disease, which is characterized by an overactive thyroid gland. The client mentioning the daily use of PTU indicates that they likely have a history of Graves' disease, as this medication helps manage the condition by reducing the production of thyroid hormones. Therefore, the correct answer is B: Graves' disease.

Correct Answer: A

Rationale: An elevated blood glucose level of 200 mg/dL indicates an adverse effect of tacrolimus. This finding suggests hyperglycemia, which is a known adverse effect of the medication. Other potential adverse effects of tacrolimus include neurotoxicity and hypertension. Monitoring blood glucose levels is crucial to detect and manage this adverse effect promptly.