Free Infection Prevention and Asepsis MCQs with Answers
50 Infection Prevention and Asepsis MCQs from Fundamentals of Nursing, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Asepsis covers the chain of infection, hand hygiene, personal protective equipment, standard and transmission-based precautions, sterilisation, disinfection and safe waste disposal. The key distinction is between medical asepsis, which reduces microorganisms, and surgical asepsis, which maintains a sterile field during invasive procedures.
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50 questions · page 3 of 3
- A. Gloves replace hand hygiene when they remain intact
- B. Hand hygiene is needed before applying and after removing gloves
- C. Hand hygiene is needed only when gloves become visibly torn
- D. Hand hygiene is unnecessary if the patient has no fever
Explanation: Gloves do not replace hand hygiene because hands may become contaminated during glove removal or through small defects.
Correct answer: Hand hygiene is needed before applying and after removing gloves- A. Place the patient in a negative-pressure room and use an N95 respirator
- B. Place the patient in a single room and use a surgical mask only
- C. Place the patient with other coughing patients and use gloves
- D. Place the patient in a positive-pressure room and use a surgical mask
Explanation: Chickenpox requires airborne and contact precautions because the varicella-zoster virus can spread through airborne particles and direct…
Correct answer: Place the patient in a negative-pressure room and use an N95 respirator- A. They are used only for patients with a confirmed infection
- B. They are used for every patient when contact with body fluids is possible
- C. They require an N95 respirator for every patient encounter
- D. They replace the need for additional isolation precautions
Explanation: Standard precautions apply to all patients and are based on the possibility of contact with blood, body fluids, non-intact skin or mucous…
Correct answer: They are used for every patient when contact with body fluids is possible- A. Clean from the most contaminated area toward the least contaminated area
- B. Clean from the least contaminated area toward the most contaminated area
- C. Use the same gauze for every area if it remains moist
- D. Clean the wound and surrounding skin with one circular motion
Explanation: Cleaning from the least contaminated area toward the most contaminated area prevents organisms from being carried into cleaner tissue.
Correct answer: Clean from the least contaminated area toward the most contaminated area- A. Hold the bottle opening above the basin without touching it
- B. Rest the bottle opening on the basin rim while pouring
- C. Touch the bottle opening to the inside of the basin
- D. Pour the saline back into the bottle if excess remains
Explanation: The bottle opening must remain above and not touch the sterile basin, because contact would contaminate the opening and the field.
Correct answer: Hold the bottle opening above the basin without touching it- A. Gloves and a fluid-resistant gown only
- B. Gloves, a fluid-resistant gown, mask and eye protection
- C. An N95 respirator and shoe covers only
- D. A surgical cap and shoe covers without hand protection
Explanation: A mask and eye protection protect the mucous membranes of the nose, mouth and eyes from splashes, while gloves and a gown protect the skin…
Correct answer: Gloves, a fluid-resistant gown, mask and eye protection- A. Place it directly in a disinfectant solution
- B. Rinse and clean it according to the facility procedure before processing
- C. Wrap it immediately and send it for storage
- D. Wipe it with a dry cloth and use it again
Explanation: Cleaning removes organic material and allows the disinfectant or sterilisation process to contact the instrument surface effectively.
Correct answer: Rinse and clean it according to the facility procedure before processing- A. A used disposable syringe with the needle attached
- B. A blood-stained cotton swab without a sharp edge
- C. A used disposable patient gown
- D. An empty intravenous fluid bag
Explanation: A used syringe with its needle attached can puncture skin and must go directly into a puncture-resistant sharps container.
Correct answer: A used disposable syringe with the needle attached49. A nurse is cleaning a bedside table used by a patient with an infection. Which practice is safest?
- A. Use the same cleaning cloth for the table and nearby clean equipment
- B. Wear appropriate protective equipment and use an approved disinfectant
- C. Spray disinfectant into the air around the table
- D. Move the table to another patient's bedside before cleaning
Explanation: The nurse uses appropriate PPE and an approved disinfectant according to the product instructions and facility policy.
Correct answer: Wear appropriate protective equipment and use an approved disinfectant- A. Direct contact transmission
- B. Indirect contact transmission
- C. Droplet transmission
- D. Airborne transmission
Explanation: Indirect contact transmission occurs when microorganisms spread through a contaminated object or surface, such as a doorknob.
Correct answer: Indirect contact transmission