A nurse is teaching a class about using niacin to reduce LDL cholesterol.
The nurse should include in the teaching that which of the following conditions is a contraindication for receiving this medication?

- A: Incorrect. Decreased blood pressure is not an indication of chlorpromazine effectiveness, but rather a potential adverse effect that should be monitored and reported.

- B: Correct. Decreased hallucinations are an indication of chlorpromazine effectiveness, as this medication is an antipsychotic that blocks dopamine receptors in the brain and reduces psychotic symptoms such as hallucinations, delusions, and paranoia.

- C: Incorrect. Decreased cholesterol is not an indication of chlorpromazine effectiveness, but rather a potential benefit that may occur due to its effect on lipid metabolism.

- D: Incorrect. Decreased esophageal reflux is not an indication of chlorpromazine effectiveness, but rather a potential adverse effect that should be avoided by taking the medication with food or water and avoiding lying down after administration.

Droplet.

The rationale for each choice is as follows:

• A. Droplet: Correct. Pneumonia is transmitted by respiratory droplets that are generated by coughing, sneezing, or talking. The nurse should wear a surgical mask and eye protection when caring for the client and maintain a distance of at least 3 feet from the client.
• B. Airborne: Incorrect. Airborne precautions are used for diseases that are transmitted by small particles that remain suspended in the air for long periods of time, such as tuberculosis, measles, or chickenpox. The nurse should wear a respirator and place the client in a negative-pressure room.
• C. Contact: Incorrect. Contact precautions are used for diseases that are transmitted by direct or indirect contact with the client or the client's environment, such as Clostridium difficile, scabies, or MRSA. The nurse should wear gloves and a gown and use dedicated equipment for the client.
• D. Protective environment: Incorrect. Protective environment precautions are used for clients who are immunocompromised and at risk of infection from others, such as clients who have had a stem cell transplant or are receiving chemotherapy. The nurse should wear a mask, gloves, and a gown and place the client in a positive-pressure room with HEPA filtration.