Tuberculosis is primarily transmitted by which mode?

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Multiple Choice

Tuberculosis is primarily transmitted by which mode?

Airborne droplets is the mode most capable of spreading tuberculosis. When someone with active TB coughs, speaks, or sings, they release tiny droplet nuclei that can stay suspended in the air for extended periods. Others can inhale these aerosols, leading to infection, especially in enclosed or poorly ventilated spaces. This is why airborne precautions and proper respiratory protection are key in EMS and clinical settings. The other options don’t fit the typical transmission pattern of TB: bloodborne contact would require blood-to-blood transfer, which TB does not rely on; waterborne ingestion isn’t how TB spreads; direct contact requires touching infected material or the person, which isn’t an efficient route for TB transmission.

Airborne droplets is the mode most capable of spreading tuberculosis. When someone with active TB coughs, speaks, or sings, they release tiny droplet nuclei that can stay suspended in the air for extended periods. Others can inhale these aerosols, leading to infection, especially in enclosed or poorly ventilated spaces. This is why airborne precautions and proper respiratory protection are key in EMS and clinical settings.

The other options don’t fit the typical transmission pattern of TB: bloodborne contact would require blood-to-blood transfer, which TB does not rely on; waterborne ingestion isn’t how TB spreads; direct contact requires touching infected material or the person, which isn’t an efficient route for TB transmission.

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