Correct Answer: B

Rationale: Patients taking levodopa/carbidopa (Sinemet) are at increased risk for the psychiatric side effects of levodopa, including visual hallucinations, vivid dreams, nightmares, and paranoid ideation. The other questions are not directly related to problems that are likely to occur with this drug.

Correct Answer: D

Rationale: In bacterial meningitis, the glucose level in the cerebrospinal fluid (CSF) is typically decreased due to the increased utilization of glucose by the infecting bacteria. This metabolic change leads to a decrease in CSF glucose levels, making choice D the correct answer in this scenario.

Correct Answer: D

Rationale: During a vaso-occlusive crisis in sickle cell anemia, maintaining bed rest is crucial to reduce oxygen consumption and alleviate pain. Movement can worsen the crisis by increasing sickling of red blood cells, leading to further tissue damage and pain. Bed rest helps to improve blood flow, reduce pain, and promote healing.

Correct Answer: A

Rationale: Applying an anesthetic cream to the insertion site 1 hr before the procedure is crucial when inserting an intravenous catheter in a child to minimize pain and discomfort during the procedure. This practice is especially important in pediatric patients to ensure a more comfortable experience and improve cooperation during the insertion process.

Correct Answer: B

Rationale: Palpating the abdomen should be omitted when caring for a 2-year-old child diagnosed with Wilms' tumor because it could disturb the tumor and potentially cause the malignancy to spread. The other assessment techniques are safe to perform and provide valuable information about the child's condition.