Correct Answer: B

Rationale: Elevating the head of the bed to 30-45 degrees during feedings is essential to prevent aspiration in clients receiving enteral nutrition. This positioning helps decrease the risk of regurgitation and aspiration by supporting proper digestion and aiding food passage through the gastrointestinal tract. Elevating the head of the bed is a standard precautionary measure recommended to reduce the chances of aspiration and should be consistently implemented during feedings to ensure client safety and optimal enteral nutrition delivery.

Correct Answer: B

Rationale: Eating a snack before exercising is crucial for managing blood sugar levels and preventing hypoglycemia in individuals with diabetes. Exercising on an empty stomach can lead to low blood sugar levels, but consuming a snack before physical activity helps stabilize blood sugar and provides energy for the body. This proactive approach demonstrates the client's understanding of the importance of managing blood sugar levels during physical activity.

Correct Answer: C

Rationale: A petechial rash is a characteristic finding in clients with meningitis, indicating small, pinpoint hemorrhages under the skin. This rash results from the infection's impact on the blood vessels. Petechiae are important to recognize as they can help differentiate meningitis from other conditions with similar symptoms. Brudzinski's sign, neck stiffness, and positive Kernig's sign are more common physical exam findings in meningitis. Flaccid neck muscles and hypoactive deep tendon reflexes are not typically associated with meningitis.

Correct Answer: D

Rationale: Having a second nurse witness the disposal of any unused portion of a controlled substance is a legal requirement to ensure proper disposal, prevent diversion, and maintain accountability. This practice helps in reducing the risk of misuse or unauthorized access to controlled substances, enhancing patient safety, and complying with legal regulations and standards.

Correct Answer: C

Rationale: To ensure effective drainage, the catheter should be inserted 2-4 inches into the urethra. This length allows the catheter to reach the bladder, bypass the urethral sphincters, and ensure proper drainage without causing discomfort or injury. Using sterile gloves, cleaning the catheter with alcohol, and performing the procedure every 8 hours are not accurate instructions for self-catheterization.