Certified nursing assistants (CNAs) in nursing homes provide the majority of hands-on care residents receive each day. They help with bathing, dressing, eating, and moving around, while also monitoring health changes and keeping residents safe. For most nursing home residents, the CNA is the person they see and interact with the most.
Morning and Evening Routines
A CNA’s shift revolves around helping residents with what the healthcare world calls “activities of daily living,” the basic tasks most people do without thinking. In the morning, that means helping residents use the bathroom, brushing teeth or cleaning dentures, assisting with bathing or showering, getting dressed, and helping with grooming like shaving, hair care, or putting on makeup and jewelry based on the resident’s preferences. CNAs also help residents eat breakfast, make beds, and tidy rooms.
Evening care mirrors much of the morning in reverse. CNAs help residents change into pajamas, wash their face, complete oral care, and get settled into bed. Throughout the day, they assist with lunch and dinner, provide hand hygiene, and help residents get to activities, physical therapy, or occupational therapy sessions. A single CNA typically cycles through these routines for multiple residents each shift, so the work is physically demanding and fast-paced.
Feeding Assistance and Preventing Choking
Mealtime is one of the more involved parts of a CNA’s day. For residents who can’t feed themselves, CNAs verify diet orders, cut food into safe bite sizes, and use adaptive equipment like spouted cups or swivel spoons to make eating easier. Positioning matters: residents should sit upright, ideally at 90 degrees, and stay upright for a period after finishing to reduce the risk of food or liquid entering the airway.
CNAs watch closely for signs of swallowing difficulty, including coughing, choking, throat clearing, or a wet-sounding voice during meals. They also check for food collecting in the cheeks and make sure dentures are secure before eating begins. For residents who tire easily, CNAs may offer smaller, more frequent meals instead of three large ones. These steps prevent aspiration, one of the most common and dangerous complications in nursing home residents.
Checking Vital Signs
CNAs are trained to measure and record five core vital signs: temperature, pulse, respiratory rate, blood pressure, and oxygen saturation. They also ask residents to rate their pain, which is often treated as a sixth vital sign. Normal ranges for adults include a resting heart rate of 60 to 100 beats per minute, a respiratory rate of 12 to 20 breaths per minute, and an oxygen saturation of 94 to 98 percent (though residents with chronic lung conditions like COPD may normally run lower, around 88 to 92 percent).
CNAs don’t diagnose problems, but they’re the first to notice when something is off. A reading outside the normal range, or a resident who just doesn’t seem like themselves, gets reported to the nurse on duty. Because CNAs spend more time with residents than any other staff member, they often catch early warning signs that others might miss.
Preventing Pressure Injuries
Residents who spend long hours in bed or in a wheelchair are at high risk for pressure injuries (also called bedsores), and preventing them is a core CNA responsibility. The standard protocol is turning and repositioning bed-bound residents every two hours. CNAs place pillows or foam wedges between the ankles and knees and keep heels elevated off the mattress to prevent sustained pressure on bony areas.
For residents in wheelchairs, CNAs remind or help them shift their weight regularly and watch that elbows aren’t pressing against hard surfaces like tabletops. Moisture control is equally important. CNAs round on incontinent residents every two hours to clean and dry the skin, apply thin layers of barrier cream, and avoid doubling up on incontinence padding, which can trap moisture against the skin. When moving residents in bed, CNAs use draw sheets or lift pads rather than dragging, which can create friction that damages fragile skin.
Fall Prevention and Safe Transfers
Falls are one of the leading causes of injury in nursing homes, and CNAs are the frontline defense. They know which residents need help standing, walking, or transferring between a bed and a chair, and they never leave a resident alone during a transfer. When a resident needs extra support, two CNAs work together for a safer “two-person assist.”
Beyond direct help, CNAs manage the environment. They keep frequently needed items like glasses, water, call lights, and phones within easy reach so residents don’t stretch or lean dangerously. They rearrange furniture to clear pathways, ensure residents wear safe footwear, lower beds when appropriate, and check that assistive devices like walkers are in good condition. These small adjustments add up to significantly fewer falls over time.
Infection Control
CNAs follow standard precautions with every resident, every time, regardless of whether an infection is known. That starts with hand hygiene before and after contact, which is the single most effective measure against spreading infections like MRSA or C. diff in nursing home settings. When there’s any chance of exposure to bodily fluids, CNAs wear gloves, gowns, or other personal protective equipment as needed.
Beyond PPE, CNAs are responsible for properly handling soiled linens, cleaning and disinfecting equipment between residents, and following cough etiquette protocols. They also help with appropriate room placement for residents who need isolation. In a setting where many residents have weakened immune systems, consistent infection control practices by CNAs directly protect the entire facility.
Responding to Emergencies
When a resident chokes, collapses, or shows signs of a heart attack, the CNA is almost always the first person on the scene. For choking, CNAs are trained to perform abdominal thrusts (the Heimlich maneuver), standing behind the resident or leaning them forward in a wheelchair if they can’t stand. For symptoms like sudden chest pain, shortness of breath, sweating, nausea, or fainting, the CNA’s job is to stay with the resident and immediately alert the nurse for emergency assessment. CNAs don’t administer medications or make treatment decisions, but their speed in recognizing and reporting an emergency can be the difference between a good outcome and a devastating one.
What CNAs Cannot Do
CNAs work under the supervision of licensed nurses and have a clearly defined scope. They cannot administer medications (including injections), insert catheters or IVs, perform wound care beyond basic skin checks, or make clinical judgments about a resident’s condition. Their role is to observe, report, and provide direct personal care. When a CNA notices something concerning, whether it’s a new area of skin redness, a change in appetite, or confusion that wasn’t there yesterday, they report it to the supervising nurse, who decides the next steps.
This division of labor is what makes the CNA role both essential and distinct. Nurses rely on CNAs as their eyes and ears throughout the facility. The quality of information a CNA provides, how specific and timely it is, directly shapes the care decisions nurses make for each resident.