NCLEX-RN Nursing

A nurse reviews a client's laboratory results. Which serum potassium value is within the normal range?

1. A7.2 mEq/L
2. B6.5 mEq/L
3. C2.8 mEq/L
4. D4.0 mEq/LĐúng

Vì sao: The normal serum potassium range is approximately 3.5 to 5.0 mEq/L, so 4.0 mEq/L is normal. Values of 6.5 and 7.2 indicate hyperkalemia, and 2.8 indicates hypokalemia.

A charge nurse is assigning tasks at the start of a shift. Which task is appropriate to delegate to unlicensed assistive personnel (UAP)?

1. AAdjusting the flow rate of a continuous IV infusion
2. BTaking vital signs on a stable postoperative clientĐúng
3. CPerforming the initial assessment of a newly admitted client
4. DTeaching a client how to use an incentive spirometer

Vì sao: UAP may perform routine, standardized tasks such as vital signs on stable clients. Assessment, IV titration, and client teaching require the judgment of a licensed nurse and cannot be delegated.