Use the following to answer questions 68-69:A scientist studies the pattern of diseases and finds that a disease has spread from one country to the next on a large scale. Seeing that individuals with the disease experience chest pain, coughing blood,fever, chills, and weight loss, the scientist determines it is tuberculosis. Additionally, he notices that there are a large number of individuals who had silicosis prior to contracting tuberculosis. As the scientist discusses this situation with other doctors, they decide all healthcare workers must wear masks while near and treating these patients. 68. Why must healthcare workers wear masks when caring for these patients?
a. It is an airborne illness.
b. These patients emit a foul order.
c. They are susceptible to other germs the healthcare workers may have.
d. The air quality in the country may be very poor.
Answer: a. It is an airborne illness.
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