Infection control questions test how you stop germs from spreading: hand hygiene, gloves and gowns, isolation signs, sharps and clean versus dirty supplies.
On the D&S Diversified Technologies (Headmaster) California knowledge test, the Infection Control area has 6 of the 75 questions. Other California testing vendors may group topics differently. Source: California Nurse Aide Candidate Handbook, October 2026 (checked October 23, 2026).
5 free infection control practice questions
Choose your answer first, then open the answer to check it.
1. A CNA wearing a gown and gloves has finished care. Which item does the CNA remove first?
A. The gown.
B. The name badge.
C. Nothing until after leaving the room.
D. The gloves.
Show the answer to question 1
Answer: D. The gloves. Remove the gloves first, turning them inside out. Then remove the gown, folding the soiled side inward, and clean your hands. Source: WisTech Open / Open RN (CC BY 4.0) (verified 2026-10-21).
2. Which equipment does the CNA put on when entering a room under Droplet Precautions?
A. Shoe covers only.
B. Sterile gloves only.
C. Nothing unless the resident coughs.
D. A mask.
Show the answer to question 2
Answer: D. A mask. Under Droplet Precautions, put on a mask when entering the room. Add other PPE based on the task. Source: Centers for Disease Control and Prevention (verified 2026-10-21).
3. Which item belongs in a sharps container?
A. A pair of used disposable gloves.
B. A soiled washcloth from a bath.
C. A used disposable razor.
D. An empty juice carton from a tray.
Show the answer to question 3
Answer: C. A used disposable razor. Disposable razors and other items that can break the skin, such as needles or broken glass, go in a sharps container. Source: WisTech Open / Open RN (CC BY 4.0) (verified 2026-10-21).
4. When cleaning catheter tubing near the body, which way should the CNA wipe?
A. Toward the urethra, up the tubing.
B. Back and forth in short strokes.
C. In circles, moving from the bag up toward the body.
D. Away from the urethra, down the tubing.
Show the answer to question 4
Answer: D. Away from the urethra, down the tubing. Clean with strokes moving away from the urethra while holding the catheter where it exits the body. Source: WisTech Open / Open RN (CC BY 4.0) (verified 2026-10-21).
5. Which group of changes may be signs of infection that the CNA should report to the nurse?
A. Fever, feeling unwell and loss of appetite.
B. A temperature of 98.6°F and a good appetite.
C. Dry, intact skin and usual energy.
D. Asking for a different meal choice.
Show the answer to question 5
Answer: A. Fever, feeling unwell and loss of appetite. General signs of infection include fever, malaise (feeling unwell), headache and loss of appetite. Report them early. Source: WisTech Open / Open RN (CC BY 4.0) (verified 2026-10-21).
Practice more infection control questions
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Questions are written from public nursing and health sources and checked through AI editorial review. They have not been reviewed by a licensed clinician. How we write and review questions