Molecular Screening Is Now Being Used to Detect Individuals with Early

question 9

Multiple Choice

Molecular screening is now being used to detect individuals with early stages of TB because:

• A) skin testing is unreliable and needs refrigeration that countries may not have
• B) vaccination with BCG does not protect against multidrug resistance
• C) many countries do not have disposable needles for skin testing
• D) it can detect infection earlier than chest X-ray and sputum sampling
• E) it can be used more safely on children with the disease