4.3 Personal Protective Equipment (PPE)

Personal Protective Equipment (PPE)

Personal protective equipment (PPE) is the set of barriers — gloves, gowns, masks, respirators, and eye protection — that stands between you and infectious material. The CNA exam tests two things hard: choosing the right PPE for the situation, and the exact order of putting it on (donning) and taking it off (doffing). Getting the doffing sequence wrong is how caregivers contaminate themselves, so it is a high-yield, frequently graded skill.

Types of PPE

Donning — Order Matters

Perform hand hygiene first, then put PPE on before entering the room in this sequence:

A useful memory aid is the order Gown – Mask – Goggles – Gloves. Gloves go on last so they stay clean and so they can cover the gown cuff.

Doffing — The Most-Tested Sequence

Remove PPE at the doorway or in the anteroom, taking off the most contaminated item first:

Perform hand hygiene immediately after removing gloves and again after all PPE is off. The exception worth memorizing: the respirator (and mask) is removed last, after you have left the room, because the air may still contain pathogens until you exit.

Glove Rules

• Change gloves between residents — never wear one pair from room to room.
• Change gloves between a dirty and a clean task on the same resident (for example, after perineal care before adjusting the oxygen).
• Never wash or reuse gloves; replace them immediately if torn.
• Gloves are not a substitute for hand hygiene — wash or sanitize before and after.

Mask Versus Respirator

The N95 must be fit-tested (typically annually), seal-checked before each use, and worn without facial hair that breaks the seal. A regular surgical mask does not protect against airborne organisms — a classic exam distractor.

Common PPE Errors

Finally, if you discover you lack the correct PPE for a resident's precautions — for example, no N95 available for an airborne-precaution room — do not improvise. Report the shortage to the nurse before providing care.

Choosing PPE by Anticipated Exposure

The exam rarely tells you outright which PPE to wear; instead it describes a task and expects you to select the barrier that matches the exposure. The governing question is always: what am I likely to come into contact with? If you will touch blood, body fluids, mucous membranes, or non-intact skin, you need gloves. If splashing or spraying toward your body is possible — irrigating a large wound, emptying a full bedpan, assisting with oral suctioning — add a gown and face protection. If the resident is coughing and on droplet precautions, add a surgical mask within roughly six feet.

Selecting too little PPE leaves you exposed; selecting wildly more than the task requires (a gown and N95 to take a blood pressure on a resident with no precautions) wastes supplies and signals to an examiner that you do not understand risk assessment.

Where to Put PPE On and Take It Off

Location is part of the skill. Don PPE just outside or at the doorway of the resident's room, before entering. Doff PPE — gloves, goggles, gown — inside the room or in the anteroom, discarding each item into the appropriate container so contamination stays contained. The deliberate exception is the mask or respirator, which is removed last and after leaving the airborne-isolation room, because the room's air may still hold infectious particles while you are inside.

Wearing PPE out into the hallway or a clean utility room spreads contamination through the whole unit and is one of the fastest ways to fail an infection-control station.