Correct Answer: C

Rationale: Corrected Rationale: Spironolactone is a potassium-sparing diuretic, so serum potassium should be monitored to evaluate its effectiveness. Monitoring serum potassium levels is crucial because spironolactone can cause hyperkalemia as a side effect. Serum sodium, serum calcium, and serum glucose levels are not directly affected by spironolactone and would not provide an accurate assessment of the medication's effectiveness.

Correct Answer: C

Rationale: Administering potassium via IV bolus is a malpractice issue due to the risk of cardiac complications. Option A is incorrect as leaving a nasogastric tube clamped after administering oral medication can lead to complications but is not directly linked to malpractice. Option B is incorrect as documenting communication with a provider in the progress notes is a necessary part of nursing practice. Option D is incorrect as placing a yellow bracelet on a client at risk for falls is a safety measure to prevent falls and is not related to malpractice issues.

Correct Answer: D

Rationale: The correct answer is D: Aspartate aminotransferase (AST) 60 units/L. An elevated AST level indicates liver damage, which can be a side effect of methotrexate and should be reported. Elevated white blood cell count (choice A), platelet count (choice B), or normal hemoglobin level (choice C) are not directly related to methotrexate therapy for rheumatoid arthritis.

Correct Answer: C

Rationale: The correct answer is C. When a client understands the teaching about iron supplements, they should know that black, tarry stools are a normal side effect. This indicates that the medication is being absorbed and working effectively. Choices A and B are incorrect because iron supplements should not be taken with milk or orange juice, as these can interfere with the absorption of iron. Choice D is also incorrect because iron supplements are usually best absorbed on an empty stomach, so taking them before bedtime may not be ideal.

Correct Answer: D

Rationale: Food exchange lists from the American Diabetes Association are a valuable resource for structured meal planning in individuals with diabetes. These lists categorize foods based on macronutrient content and help individuals plan balanced meals to manage blood sugar levels effectively. Personal blogs may not always provide accurate and evidence-based information. Food label recommendations from the Institute of Medicine are important but may not be as specific to meal planning for diabetes. Diabetes medication information is crucial but not the primary focus when providing dietary instructions.