Final answer:
The correct care intervention for a nurse when treating a client with possible TB is to wear a particulate respirator for all interactions to prevent the spread of the disease.
Step-by-step explanation:
When caring for a client with a possible diagnosis of tuberculosis (TB), nurses must follow specific infection control measures to prevent the spread of the disease. The intervention a nurse should anticipate includes: wearing a particulate respirator for all client care and interaction. TB bacteria are aerosolized through coughing, sneezing, or spitting, making it highly contagious. Therefore, the standard precaution in healthcare settings for TB is the use of a high-efficiency particulate air (HEPA) mask, which is a type of particulate respirator that filters out the bacteria. Additionally, patients with suspected or confirmed TB are typically placed in negative pressure isolation rooms, and health workers also follow strict hand hygiene and use protective eyewear when necessary.