Tuberculosis Flashcards
true or false: latent TB can be spread from person to person
false
vaccine for TB
BCG (Bacille Calmette-Guerin)
(many foreign-born persons have this vaccine)
therapy for TB (2 things)
-directly observed therapy x 6-9 months
-isoniazid, rifampin, ethambutol, and pyrazinamide for 2 months, followed by isoniazid and rifampin for an additional 4-7 months
combo therapy for latent TB infection
isoniazid and rifapentine weekly x 12 weeks with direct observation
alternative therapy for latent TB infection (not isoniazid)
rifampin x 4 months
true or false: 8 countries account for two thirds of total new TB cases
true (India, Indonesia, China, the Philippines, Pakistan, Nigeria, Bangladesh, and South Africa)
___-___% of TB infections involve the lungs
70-80%
4 drugs for TB
-rifampin
-isoniazid
-pyrazinamide
-ethambutol
true or false: BCG (Bacille Calmette-Guerin) is generally recommended for use in the United States
false (bc of low risk of infection with mycobacterium tuberculosis, the variable effectiveness of the vaccine against adult pulmonary TB, and the vaccine’s potential interference with tuberculin skin test reactivity)
how is tuberculosis spread?
via droplet nuclei (produced when a person coughs, sneezes, speaks, sings; they must have pulmonary or laryngeal TB)
only TB of the _____ is infectious
lung
what bacteria is the cause of tuberculosis?
mycobacterium tuberculosis
preferred treatment for latent TB infection
isoniazid for 9 months
BCG (Bacille Calmette-Guerin) is used in many countries to prevent childhood tuberculosis meningitis and __________ disease
miliary