End
1 :

1100:

Client reports fever, chills, cough, and night sweats for past 2 weeks. Client has recently traveled outside of the country. Lethargic, but oriented to person, place, and time. Crackles heard in lower lobes of lungs upon auscultation. Cough is productive with small amounts of blood. Client reports tightness in chest and pain when coughing. Client reports losing 5 lb in the last week, has no appetite and is nauseated. Obtained blood work, chest x-ray, and sputum culture as prescribed.

1100:

Blood pressure 138/72 mm Hg

Heart rate 80/min

Respiratory rate 22/min

Temperature 38.4°C (101.1°F)

Oxygen saturation 90% on room air

1400:

Chest x-ray: inflammation and infiltrates in bilateral upper lobes

QuantiFERON-TB: positive (negative)

Tuberculosis culture: positive (negative)


A nurse is assisting in the care of a client who is being placed on transmission-based precautions. Which of the following actions should the nurse plan to take when caring for this client? Select all that apply.


Answer Options

Hint : 😷 TB safety = PPE off in room, N95 on in, hand wash out, negative pressure always.

Correct Answers:

  • Discard soiled isolation gown after leaving the client's room.
  • Assign the client to a negative-pressure airflow room.
  • Wear an N9S mask when caring for the client.


Rationale :

1. Discard soiled isolation gown after leaving the client’s room 🥼

📌In airborne precaution cases like TB, gowns protect clothing and skin from droplets, secretions, or contaminated surfaces.

📌Even though TB is not spread by skin contact, the gown can become contaminated with respiratory droplets containing Mycobacterium tuberculosis when caring for a coughing client.

📌Why after leaving? PPE should be removed and discarded inside the doorway or anteroom before entering common areas, to prevent transferring contaminants.

📌Disposal process: Remove gloves first (if used), then gown, turning it inside out to avoid touching the contaminated surface. Place it in a designated biohazard container.

📌This step ensures that the pathogen is not transported on your uniform into other patient care areas.

2. Assign the client to a negative-pressure airflow room 🛏️

📌TB is transmitted via airborne droplet nuclei, which are extremely small (1–5 microns) and can stay suspended in the air for hours.

📌Negative pressure rooms ensure that air flows into the room but not out, using specialized ventilation systems that exhaust air outdoors or filter it through a HEPA filter before recirculation.

📌This is critical to prevent airborne TB particles from contaminating hallways or shared spaces in the facility.

📌Guidelines recommend at least 12 air changes per hour (ACH) in newly constructed rooms and ≥6 ACH in existing facilities.

📌This environmental control is the first line of defense for preventing nosocomial transmission in healthcare settings.

3. Wear an N95 mask when caring for the client 😷

📌An N95 respirator is specifically designed to filter out at least 95% of airborne particles, including TB droplet nuclei.

📌Fit-testing is required annually to ensure a proper seal—without a seal, airborne particles can bypass the filter.

📌The respirator must be worn before entering the room and kept on for the entire time inside, even if the client is wearing a surgical mask.

📌This is because TB can remain airborne even after the patient stops coughing, and particles can circulate in the room air.

📌An N95 mask provides much higher filtration than a surgical mask and is the standard for airborne precautions per CDC guidelines.

4. Perform hand hygiene before leaving the client’s room 🧼

📌Even though TB is airborne and not spread via casual touch, hand hygiene is crucial for preventing the spread of other pathogens the patient might also carry.

📌Hands may come into contact with contaminated surfaces, respiratory secretions, or PPE during care.

📌When to perform: Immediately after removing gloves and gown, and before touching any other surfaces, equipment, or people.

📌Alcohol-based hand rubs are generally preferred unless hands are visibly soiled, in which case soap and water are required.

📌This is a universal precaution and is considered one of the most effective measures for breaking the chain of infection.


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