Molecular Screening Is Now Being Used to Detect Individuals with Early

question 63

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 many countries may not have.
• B) vaccination with Bacille Calmette-Guérin 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-rays and sputum sampling.
• E) it can be used more safely on children with the disease.

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