PRACTICE TEST 2026 | COMPLETE STUDY
GUIDE WITH VERIFIED QUESTIONS &
DETAILED RATIONALES ON PATIENT CARE
SKILLS, VITAL SIGNS, INFECTION CONTROL &
BASIC NURSING PROCEDURES
• This complete 2026 CNA Practice Exam features 200 verified multiple-choice
questions with detailed EXPERT RATIONALE, covering every major topic tested on
the Nurse Aide Competency Evaluation — designed to build your confidence,
sharpen your clinical knowledge, and prepare you to pass on your first attempt.
• Study tip: Read each question carefully before looking at the options, attempt
your answer first, then review the correct answer and EXPERT RATIONALE to
reinforce understanding — repeat any missed questions until mastery is achieved.
CNA CERTIFIED NURSING ASSISTANT EXAM PRACTICE TEST 2026
COMPLETE STUDY GUIDE | 200 QUESTIONS WITH VERIFIED ANSWERS &
DETAILED EXPERT RATIONALE
SECTION 1: INFECTION CONTROL
1. What is the MOST important method a CNA can use to prevent the spread
of infection?
A. Wearing gloves at all times
B. Wearing a gown when entering a patient's room
C. Keeping the patient's door closed
D. Using a mask when speaking to patients
E. Washing hands frequently and correctly
Correct Answer: E. Washing hands frequently and correctly
, EXPERT RATIONALE: Hand hygiene is the single most effective method of
preventing the spread of infection. The CDC identifies handwashing as the
cornerstone of infection control. Gloves, gowns, and masks are supplemental but
do not replace proper handwashing.
2. A CNA should wash their hands for a minimum of how many seconds?
A. 5 seconds
B. 10 seconds
C. 15 seconds
D. 25 seconds
E. 20 seconds
Correct Answer: E. 20 seconds
EXPERT RATIONALE: The CDC recommends scrubbing hands with soap and
water for at least 20 seconds to effectively remove pathogens. This includes all
surfaces: palms, backs of hands, between fingers, and under nails.
3. Which of the following is an example of medical asepsis?
A. Sterilizing surgical instruments
B. Using sterile gloves during catheter insertion
C. Washing hands before and after patient care
D. Performing surgery in a sterile field
E. Wearing a sterile gown in the OR
Correct Answer: C. Washing hands before and after patient care
EXPERT RATIONALE: Medical asepsis (clean technique) refers to practices that
reduce the number and spread of microorganisms. Handwashing is a key medical
,asepsis practice. Surgical asepsis involves completely eliminating microorganisms
(sterile technique).
4. Standard Precautions are used:
A. Only for patients with known infections
B. Only for patients with HIV or hepatitis
C. Only when blood is visible
D. Only for patients on isolation
E. With all patients at all times regardless of diagnosis
Correct Answer: E. With all patients at all times regardless of diagnosis
EXPERT RATIONALE: Standard Precautions are applied universally to all
patients to reduce the risk of transmission of bloodborne and other pathogens.
They include hand hygiene, use of PPE, and safe handling of sharps.
5. A CNA is caring for a patient with tuberculosis (TB). Which type of isolation
precaution is MOST appropriate?
A. Contact precautions
B. Droplet precautions
C. Reverse isolation
D. Standard precautions only
E. Airborne precautions
Correct Answer: E. Airborne precautions
EXPERT RATIONALE: Tuberculosis is transmitted via airborne droplet nuclei
(very small particles that remain suspended in the air). Airborne precautions
require a negative pressure room and an N-95 respirator.
, 6. Which of the following diseases requires DROPLET precautions?
A. Tuberculosis
B. MRSA wound infection
C. Influenza
D. Scabies
E. C. difficile
Correct Answer: C. Influenza
EXPERT RATIONALE: Influenza is spread through large respiratory droplets that
travel short distances (within 3–6 feet). Droplet precautions include wearing a
surgical mask when within 3 feet of the patient and placing the patient in a private
room.
7. When removing PPE, which item should be removed FIRST?
A. Mask
B. Gown
C. Gloves
D. Eye protection
E. Shoe covers
Correct Answer: C. Gloves
EXPERT RATIONALE: Gloves are considered the most contaminated item of PPE
and should be removed first to prevent spreading pathogens to other PPE and skin.
After gloves, gown, then eye protection, then mask should be removed.
8. The chain of infection includes which of the following elements?
A. Pathogen, host, temperature, humidity