LPN Fundamentals of Nursing Quizlet

Correct Answer: C

Rationale: Dark-colored urine is a common sign of dehydration as the urine becomes concentrated. Dehydration leads to reduced fluid intake or excessive fluid loss, causing the urine to be darker in color due to increased urine concentration.

Correct Answer: A

Rationale: Shaking the inhaler before use is crucial to ensure proper mixing of the medication inside the inhaler. This action helps to disperse the medication evenly, allowing for consistent dosing during inhalation. Breathing out forcefully, taking the medication with food, and using a spacer are not related to the correct use of a metered-dose inhaler and may not lead to optimal medication delivery.

Correct Answer: B

Rationale: When administering a subcutaneous injection, it is important to insert the needle at a 90-degree angle to ensure proper medication delivery into the subcutaneous tissue. This angle helps prevent the medication from being injected too deeply or too superficially, ensuring optimal absorption and therapeutic effect.

Correct Answer: D

Rationale: Aspirating for blood return before injecting is a crucial step in administering intramuscular injections. This action ensures that the needle is not in a blood vessel, reducing the risk of injecting medication into a blood vessel, which can lead to potential complications.

Correct Answer: B

Rationale: Flushing the feeding tube every 4 hours is essential to maintain patency and prevent clogging, ensuring the client receives the prescribed enteral nutrition without interruption. Monitoring intake and output, measuring temperature, and changing the feeding bag and tubing are also important aspects of care but not directly related to maintaining the patency of the feeding tube in a client receiving continuous enteral feedings.