A pt diagnosed with TB has been receiving treatment for 3 weeks and had clinically shown improvement. The family asks the nurse if the pt is still infectious. What is the nurse's reply?
a. The patient is still infectious until the entire treatment is completed
b. The patient is not infectious but needs to continue treatment for at least 6 months
c. The patient is infectious until there is a negative chest x-ray
d. The patient may or may not be infectious; a purified protein derivative test (PPD) must be done
Answer: b. The patient is not infectious but needs to continue treatment for at least 6 months
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