1. The primary goal of infection control in healthcare settings is to: a) Increase patient comfort b) Prevent the spread of infections c) Improve patient nutrition d) Enhance communication between staff Answer: b) Prevent the spread of infections 2. The most effective way to prevent the spread of infections is: a) Using hand sanitizer b) Wearing gloves c) Handwashing with soap and water d) Disinfecting surfaces Answer: c) Handwashing with soap and water 3. Personal protective equipment (PPE) includes all of the following except: a) Gloves b) Face shield c) Hand sanitizer d) Gown Answer: c) Hand sanitizer 4. The purpose of using a mask is to: a) Protect against skin infections b) Protect against airborne pathogens c) Protect against bloodborne pathogens d) Protect against splashes Answer: b) Protect against airborne pathogens 5. Hand hygiene should be performed: a) Before and after patient contact b) Only after patient contact c) Only before patient contact d) Only when hands are visibly soiled Answer: a) Before and after patient contact 6. Standard precautions apply to: a) All patients b) Only patients with known infections c) Only patients in isolation d) Only patients with open wounds Answer: a) All patients 7. The best way to dispose of contaminated sharps is to: a) Place them in a regular trash bin b) Place them in a sharps container c) Rinse them and place them in the trash d) Dispose of them in a biohazard bag Answer: b) Place them in a sharps container 8. The primary purpose of disinfection is to: a) Kill all microorganisms b) Reduce the number of microorganisms c) Sterilize medical equipment d) Remove visible dirt Answer: b) Reduce the number of microorganisms 9. The term “aseptic technique” refers to: a) Methods used to reduce the number of microorganisms b) Techniques used to kill all microorganisms c) The process of sterilizing instruments d) Using antibiotics to prevent infection Answer: a) Methods used to reduce the number of microorganisms 10. Which of the following is not a type of isolation precaution? a) Airborne precautions b) Contact precautions c) Droplet precautions d) Standard precautions Answer: d) Standard precautions 11. The correct order of donning PPE is: a) Gown, gloves, mask, face shield b) Gloves, gown, mask, face shield c) Mask, gown, face shield, gloves d) Gown, mask, face shield, gloves Answer: d) Gown, mask, face shield, gloves 12. The term “biohazard” refers to: a) Biological waste that is harmful to health b) Chemical substances c) Physical hazards in the environment d) Radioactive materials Answer: a) Biological waste that is harmful to health 13. The purpose of isolation precautions is to: a) Protect patients from exposure to germs b) Isolate infected patients from the hospital c) Prevent healthcare workers from contracting diseases d) Ensure all patients receive antibiotics Answer: a) Protect patients from exposure to germs 14. The term “sterilization” refers to: a) Removing visible dirt from surfaces b) Reducing the number of microorganisms c) Killing all microorganisms d) Disinfecting surfaces Answer: c) Killing all microorganisms 15. When should hand hygiene be performed? a) Before eating and after using the restroom b) After touching surfaces in the patient’s room c) Before and after patient care d) Only when hands are visibly dirty Answer: c) Before and after patient care 16. Which of the following is an example of a contact precaution? a) Using a respirator b) Wearing gloves and a gown c) Placing a patient in a negative pressure room d) Using a surgical mask Answer: b) Wearing gloves and a gown 17. In the event of a needle-stick injury, the nurse should: a) Report the injury immediately b) Ignore it if there’s no visible blood c) Clean the needle with alcohol d) Continue working without further action Answer: a) Report the injury immediately 18. The correct method for cleaning a spill of blood is: a) Using a dry cloth b) Wiping with water c) Using a disinfectant solution d) Using a vacuum cleaner Answer: c) Using a disinfectant solution 19. The role of a hand sanitizer is to: a) Remove all types of microorganisms b) Reduce the number of microorganisms c) Disinfect surfaces d) Sterilize medical equipment Answer: b) Reduce the number of microorganisms 20. Which of the following is a common route of infection transmission? a) Direct contact b) Radiant heat c) Chemical exposure d) Physical impact Answer: a) Direct contact 21. Airborne precautions are necessary for which type of infection? a) Tuberculosis b) Hepatitis B c) Influenza d) Norovirus Answer: a) Tuberculosis 22. The appropriate action for managing a patient with a respiratory infection is: a) Contact precautions b) Droplet precautions c) Airborne precautions d) Standard precautions Answer: b) Droplet precautions 23. The purpose of using a gown during patient care is to: a) Protect the patient from infection b) Protect the healthcare worker from contamination c) Enhance comfort for the patient d) Prevent the spread of disease in the environment Answer: b) Protect the healthcare worker from contamination 24. The term “fomite” refers to: a) An inanimate object that can transmit pathogens b) A living organism that transmits disease c) A type of protective clothing d) A cleaning agent Answer: a) An inanimate object that can transmit pathogens 25. In infection control, the term “disinfection” means: a) The complete destruction of all microorganisms b) The reduction of microorganisms to a safe level c) The process of preventing infections d) The removal of dirt and organic matter Answer: b) The reduction of microorganisms to a safe level 26. The best practice to prevent healthcare-associated infections is: a) Overusing antibiotics b) Ensuring proper hand hygiene c) Ignoring standard precautions d) Avoiding patient contact Answer: b) Ensuring proper hand hygiene 27. The use of a negative pressure room is essential for which type of precaution? a) Contact precautions b) Droplet precautions c) Airborne precautions d) Standard precautions Answer: c) Airborne precautions 28. The term “quarantine” refers to: a) Isolation of healthy individuals who have been exposed to a contagious disease b) Isolation of patients who are sick with a contagious disease c) The process of cleaning medical equipment d) The procedure for washing hands Answer: a) Isolation of healthy individuals who have been exposed to a contagious disease 29. The primary method of sterilizing heat-sensitive medical equipment is: a) Autoclaving b) Chemical sterilization c) Dry heat d) Boiling water Answer: b) Chemical sterilization 30. The most effective way to clean a surface contaminated with blood is to: a) Use a disinfectant with an appropriate contact time b) Wipe with a damp cloth c) Rinse with water d) Use a standard cleaner Answer: a) Use a disinfectant with an appropriate contact time 31. When should gloves be worn during patient care? a) When there is a risk of exposure to blood or bodily fluids b) Only when handling medications c) Only when changing bed linens d) During all patient interactions Answer: a) When there is a risk of exposure to blood or bodily fluids 32. The best practice for cleaning and disinfecting reusable medical equipment is to: a) Follow the manufacturer’s instructions b) Use water alone c) Disinfect only when visibly dirty d) Use a household cleaner Answer: a) Follow the manufacturer’s instructions 33. Which of the following is an example of a droplet precaution? a) Placing the patient in a private room with negative pressure b) Using a surgical mask when within 3 feet of the patient c) Wearing a gown and gloves d) Using a respirator Answer: b) Using a surgical mask when within 3 feet of the patient 34. The correct action when handling contaminated linen is: a) Place it directly into the laundry without touching it b) Fold it neatly and place it on a clean surface c) Place it in a designated biohazard laundry bag d) Rinse it with water before disposal Answer: c) Place it in a designated biohazard laundry bag 35. Which of the following is an essential component of infection control protocols? a) Ensuring that patients are isolated b) Monitoring for infections without testing c) Educating staff about infection prevention d) Restricting visitor access to the facility Answer: c) Educating staff about infection prevention 36. Which of the following types of PPE is recommended when there is a risk of splash or spray? a) Gloves b) Surgical mask c) Face shield d) N95 respirator Answer: c) Face shield 37. Healthcare-associated infections (HAIs) are primarily caused by: a) Poor nutrition b) Contaminated water c) Improper hand hygiene d) Excessive use of gloves Answer: c) Improper hand hygiene 38. The term “nosocomial infection” refers to: a) An infection acquired at birth b) An infection present before hospital admission c) An infection acquired in a healthcare setting d) An infection caused by a specific bacterium Answer: c) An infection acquired in a healthcare setting 39. The most appropriate action after removing gloves is to: a) Disinfect the gloves before reuse b) Perform hand hygiene c) Place gloves in a regular trash bin d) Touch surfaces freely Answer: b) Perform hand hygiene 40. The purpose of cohorting patients is to: a) Reduce healthcare costs b) Group patients with similar care needs c) Isolate infectious patients from others d) Enhance patient comfort Answer: c) Isolate infectious patients from others

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