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NCLEX · Safety and Infection Control

A client is admitted with suspected pulmonary tuberculosis (TB). Which type of isolation precaution is required?

Reviewed by Jordan Morley, Editorial Lead at 247SimpleTests. Written by the 247SimpleTests Editorial Team from the official source material cited on every question.

Correct answer

Airborne precautions — TB is transmitted via airborne droplet nuclei; requires a negative-pressure room and an N95 respirator (fit-tested) for anyone entering

  1. A Standard precautions only
  2. B Airborne precautions — TB is transmitted via airborne droplet nuclei; requires a negative-pressure room and an N95 respirator (fit-tested) for anyone entering
  3. C Contact precautions
  4. D Droplet precautions

Why this is the answer

TUBERCULOSIS — AIRBORNE PRECAUTIONS: TB spreads via tiny airborne droplet nuclei that remain suspended in air and travel on air currents.

Requirements: AIIR (Airborne Infection Isolation Room) — negative pressure relative to the hallway (air flows INTO the room, not out); minimum 6-12 air exchanges per hour; air exhausted outside or through HEPA filtration; N95 RESPIRATOR (fit-tested) or PAPR for anyone entering — a regular surgical mask is NOT sufficient for airborne precautions; keep the door closed; if the client must leave the room, they wear a surgical mask (to contain their droplets); OTHER AIRBORNE DISEASES (mnemonic 'My Chicken Hez TB'): Measles, Chickenpox (varicella), Herpes zoster (disseminated), TB.

Contrast: Droplet (flu, pertussis, meningitis) = surgical mask, larger droplets that don't travel far; Contact (C. diff, MRSA) = gown and gloves; LPN role: implement airborne precautions, wear N95, ensure negative-pressure room, educate visitors.

Source: NCLEX-PN Safe Care — Airborne Precautions, TB

Practice more questions

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About this topic: Safety and Infection Control

Safety and infection control questions cover Standard and transmission-based precautions, hand hygiene, fall and injury prevention, restraints, fire safety and handling hazardous materials. This is one of 35 PN: Coordinated Care questions on safety and infection control, each with a full explanation on a single study page.

New to this exam? Our NCLEX exam guide explains the format, scoring, and how to prepare.

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