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WorksheetsICE PART 1
Total questions: 63
Worksheet time: 32mins
Which link in the chain of infection is broken when hand hygiene is performed?
Infectious agent
Portal of entry
Mode of transmission
Susceptible host
Which mode of transmission occurs when a clinician is cut with a contaminated instrument?
Airborne
Parenteral
Droplet
Indirect
What type of hand hygiene product is most effective when hands are not visibly soiled?
Antibacterial soap
Alcohol-based hand rub
Plain soap and water
Antiseptic handwash
Which PPE should be removed first after a procedure?
Mask
Gloves
Gown
Goggles
Which method is used to minimize aerosols during procedures?
Cotton rolls
Slow-speed handpieces
High-volume evacuation
Surface barriers
What is the most common mode of disease transmission in dentistry?
Direct contact
Indirect contact
Airborne
Which of the following is NOT a mode of disease transmission?
Parenteral
Airborne
Transdermal
Droplet
When should alcohol-based hand rub NOT be used?
When hands are visibly soiled
After removing gloves
Between patient care activities
Before donning gloves
What is the primary purpose of PPE?
Prevent contamination of work surfaces
Protect patients from infections
Protect workers from exposure to infectious materials
Comply with state licensing requirements
Which item is considered critical PPE during ultrasonic cleaning?
Mask
Utility gloves
Surgical gown
Cap
Which of the following infectious diseases is transmitted through airborne particles?
Hepatitis B
Tuberculosis
HIV
Herpes simplex virus
What is the recommended duration for handwashing with soap and water?
At least 5 seconds
At least 10 seconds
At least 20 seconds
At least 1 minute
How long should you wash your hands?
At least 10 seconds
At least 15 seconds
At least 20 seconds
At least 30 seconds
Which type of PPE protects mucous membranes of the eyes?
Mask
Gloves
Goggles or face shield
Gown
What is the correct order to put on PPE?
Gloves, gown, mask, goggles
Gown, mask, goggles, gloves
Mask, gown, gloves, goggles
Mask, gloves, gown, goggles
Which infectious agent is most commonly associated with occupational exposure in dentistry?
Hepatitis B virus
Influenza virus
Tuberculosis bacteria
Herpes simplex virus
Which of the following is a parenteral mode of transmission?
Touching contaminated surfaces
Inhalation of droplets
Needle-stick injury
Kissing
What is the main purpose of hand hygiene before donning gloves?
To prevent skin dryness
To prevent contamination of gloves
To remove dirt and oils
To moisturize the skin
Which part of the hand is most often missed during handwashing?
Palms
Backs of hands
Between fingers
Fingertips and under nails
How often should hand hygiene be performed in dental practice?
Only before the first patient
Before and after each patient contact
Once every hour
Only after glove removal
Which disease is of most concern regarding bloodborne pathogen exposure?
Influenza
Hepatitis C
Tuberculosis
Measles
How should contaminated PPE be disposed of?
In regular trash
In biohazard containers
In recycling bins
Flushable waste bins
When should gloves be changed during a patient procedure?
After an hour
After contamination or touching non-sterile surfaces
Only between patients
Never
What is the recommended action if a glove tears during a procedure?
Continue working
Remove and replace the glove immediately
Wash hands and finish procedure
Use hand sanitizer on torn glove
What is the most effective way to reduce contamination from aerosols?
Use of slow-speed handpieces only
Using high-volume evacuation and dental dams
Wearing gloves alone
Disinfecting surfaces only after procedures
What is the minimum alcohol concentration in an effective hand rub?
30%
40%
60%
90%
What type of gloves should be worn during ultrasonic cleaning of instruments?
Latex examination gloves
Nitrile gloves
Utility gloves
Vinyl gloves
Which of the following is a droplet transmission disease?
Hepatitis B
Tuberculosis
Influenza
HIV
What should be done immediately after removing gloves?
Use hand sanitizer or wash hands
Put on new gloves
Touch contaminated surfaces
Leave the room
When donning gloves, what should you avoid?
Touching the outside of the gloves with bare hands
Wearing double gloves
Using powder-free gloves
Checking for tears
What is a common symptom of latex allergy?
Fever
Rash or hives
Coughing
Headache
How should hand lotion be selected for use in dental settings?
Any lotion Available
Oil based lotions only
Lotions that are compatible with gloves
Avoid all Lotions
What is the minimum recommended thickness for gloves to prevent tears?
2 mils
4 mils
6 mils
8 mils
Which PPE protects against splash and splatter?
Mask alone
Gown alone
Eye protection and mask
Gloves alone
When is it acceptable to wear the same mask for multiple patients?
When it is not visibly soiled
Never
When treating patients with the same infection
When using a face shield
What should you do if you suspect you have been exposed to a bloodborne pathogen?
Wash area thoroughly and report exposure immediately
Wait and monitor symptoms
Ignore unless symptoms appear
Use hand sanitizer only
What is the recommended action for cleaning hands contaminated with spores?
Alcohol hand rub
Soap and water handwashing
Use gloves only
No action needed
How should nails be maintained by dental healthcare personnel?
Long and polished
Short and clean
Artificial nails are allowed
Which PPE item is considered a barrier to bloodborne pathogens?
Mask
Gloves
Goggles
All of the above
Which type of hand soap is recommended for routine handwashing in healthcare settings?
Plain soap
Antimicrobial soap
Antiseptic handwash
Household detergent
What is the minimum safe distance for droplet spread?
1 foot
3 feet
6 feet
10 feet
What is the primary purpose of patient safety precautions related to infectious disease?
Protect dental staff only
Prevent disease transmission to patients and staff
Avoid legal liability
Save time during procedures
What type of disease transmission occurs through contaminated surfaces?
Direct contact
Indirect contact
Airborne
Parenteral
Which of the following is a recommended patient safety precaution during dental procedures?
Use of sterile gloves only
Proper patient positioning and use of barriers
Avoid use of PPE to increase comfort
What is the correct way to dispose of contaminated PPE?
Regular trash
Biohazard waste containers
Recycle bin
Flushable waste system
How long can alcohol-based hand rubs kill most microorganisms?
Immediately
Within 15 seconds
Within 30 seconds
Within 1 minute
What type of PPE protects the skin from chemical exposure?
Gown
Gloves
Mask
Goggles
Which item is NOT considered PPE?
Gloves
Mask
Dental chair
Goggles
What is a key occupational risk for dental personnel?
Stress
Exposure to infectious diseases through sharps injuries
Hearing loss
Vision problems
What is the best way to avoid exposure to aerosols?
Use slow-speed handpieces only
Use dental dams and high-volume evacuation
Wear double gloves
Use regular suction only
What should you do if your skin is damaged or has cuts?
Cover with a bandage and wear gloves
Avoid patient care
Use hand sanitizer only
Nothing special
What is the required disinfectant level for cleaning clinical contact surfaces?
Low-level
Intermediate-level
High-level
Sterilant
Which disinfectant is commonly used to clean dental operatories?
Alcohol
Chlorine bleach solution
Iodophors
Phenolics
How often should dental unit waterlines be flushed between patients?
10 seconds
20-30 seconds
2 minutes
Once daily
What is the purpose of surface barriers?
To sterilize instruments
To protect surfaces from contamination
To clean surfaces faster
To replace chemical disinfectants
Which items are considered single-use devices (SUD)?
High-speed handpieces
Disposable gloves
Ultrasonic scalers
What is the best way to prevent cross-contamination during dental procedures?
Use hand sanitizer only
Use dental dams and high-volume evacuation
Use only disposable instruments
Wear double gloves
How should trays be prepared to maintain aseptic technique?
Items should be placed with clean hands
Use single-unit dosing and aseptic retrieval
Use bare hands to pick up items
No special procedure is needed
What is biofilm in dental unit waterlines?
A protective plastic coating
A thin layer of microorganisms that adhere to surfaces
A type of sterilization method
A water treatment chemical
How often should dental unit waterlines be monitored for contamination?
Monthly
Weekly
Daily
Annually
What is the best method to clean evacuation lines and traps?
Rinsing with water only
Using enzymatic cleaners regularly
Spraying with alcohol
Leaving them dry overnight
Which equipment requires special disinfection procedures due to complexity?
Dental chair upholstery
Radiography equipment
Disposable bibs
Paper towels
How should dental impressions be disinfected before sending to the lab?
Rinse with water only
Spray or immerse in an EPA-registered disinfectant
Wipe with a dry cloth
No disinfection required
