Correct Answer: A

Rationale: The correct answer is to administer bronchodilators. During an acute asthma attack, bronchodilators like albuterol are crucial to help dilate the airways and improve breathing. Providing supplemental oxygen (Choice B) may be necessary but is not the priority intervention. Starting IV fluids (Choice C) and monitoring oxygen saturation (Choice D) are important aspects of care but are not the most critical interventions during an acute asthma attack.

Correct Answer: B

Rationale: The correct answer is B: Monitor serum creatinine. Serum creatinine is a key indicator of renal function as it reflects the glomerular filtration rate. An increase in serum creatinine levels indicates impaired kidney function. Checking blood glucose levels (choice A) is not specific to assessing renal function but is used to diagnose diabetes. Monitoring BUN (choice C) is important but not as specific as serum creatinine in assessing renal function. Checking electrolyte levels (choice D) is essential in assessing kidney function but is not as specific as monitoring serum creatinine.

Correct Answer: C

Rationale: The correct intervention for a client with COPD is to teach pursed-lip breathing. This technique helps improve oxygenation and reduce dyspnea by promoting better air exchange in the lungs. Encouraging deep breaths may not be suitable for clients with COPD as it can lead to air trapping. Administering oxygen is important in COPD, but teaching pursed-lip breathing is a more direct intervention to help the client manage their condition. Limiting fluid intake is not a standard intervention for COPD and may not be relevant to improving respiratory status.

Correct Answer: B

Rationale: Glycosylated hemoglobin (HbA1c) is the most accurate test for long-term management of blood glucose levels in individuals with diabetes mellitus. HbA1c reflects average blood glucose levels over the past 2-3 months, providing valuable information on the effectiveness of treatment and disease control. Postprandial blood glucose, glucose tolerance test, and fasting blood glucose are essential for monitoring blood glucose levels at specific times but do not offer the same insight into long-term disease management as HbA1c.

Correct Answer: A

Rationale: The correct answer is to administer diuretics. Diuretics help reduce excess fluid in cases of fluid overload, making it the priority intervention. Administering additional IV fluids (choice B) would exacerbate the problem by adding more fluid. Providing oral fluids (choice C) is not the priority as the excess fluid needs to be removed first. Chest physiotherapy (choice D) is not the primary intervention for fluid overload.