CNA Study Guide 2026

Describing the layout and physically guiding the resident to items promotes safety and independence.

Decreased urine output with dark concentrated urine may indicate dehydration or a urinary tract problem and requires prompt nurse notification.

Measuring and recording vital signs (temperature, pulse, respiration, and blood pressure) is within the CNA's scope of practice. Tasks such as sterile dressing changes, IV medications, and diagnoses require higher licensure.

When taking a rectal temperature, the nurse aide must continuously hold onto the thermometer until it is time for removal. This prevents the thermometer from being accidentally dislodged, pushed in too far, or causing injury to the patient. Maintaining a secure hold ensures patient safety and an accurate temperature reading.

The battery must be removed before cleaning a hearing aid to prevent damage and electric shock risk.

Elevating the head of the bed to at least 30 degrees during and after tube feedings prevents aspiration.