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WorksheetsDANB --Infection Control Board Mock Exam Prep
Total questions: 100
Worksheet time: 52mins
The risk of infection is increased if all of the following conditions are present except
susceptible host
pathogens
protective barriers
portal of entry into body
TRUE or FALSE
The needlestick Safety and Prevention Act that directs OSHA, revised the bloodborne pathogen standard in 2001.
TRUE
FALSE
Which of the following is the most common type of latex allergy?
Type I allergic reaction
Irritant dermatitis
Type IV allergic reaction
Type II allergic recation
None of the above
Which of the following is the first procedural step after an exposure incident?
Remove your gloves.
Stop operations immediately.
Contact the source patient.
Wash your hands thoroughly.
All of the above
Tuberculosis is spread to others by
Saliva contact
Coughing
Cross contamination by a dental procedure
All of the above
None of the above
The type of bacteria that must have oxygen to live and grow is
Anaerobic
Facultative anaerobic
Aerobic
None of the above
Which governmental agency controls the safety and effectiveness of surface disinfectants?
FDA
DEPA
EPA
CDC
Hands should be washed
1. before and after using gloves
2. with an antimicrobial soap
3. for a full 15 seconds between each patient
4. for a full 5 minutes if part of a surgical dental team
1, 2, 3
1, 3
2, 4
4
all of the above
A person who is unable to resist infection by a particular pathogen is known as _______ in the chain of infection.
virulence
a susceptible host
infectious pathogens
infectious disease
The recording of the highest temperature reached during a sterilization cycle is an example of _______ monitoring?
Physical
Chemical
Biological
None of the above
_________ items or instruments that pose the least risk of transmission of infection because they contact only intact skin, which is an effective barrier to microorganisms. These items should be cleaned and processed with an Environmental Protection Agency (EPA)–registered intermediate-level or low-level disinfectant after each patient use.
Non-Critical Instruments
Semi-Critical Instruments
Critical Instruments
None of the above
TRUE or FALSE
Examination gloves used for dental treatment can be made of either latex or vinyl.
TRUE
FALSE
Before disinfecting a clinical contact surface, you must?
preclean the surface
wipe the surface with a high-level disinfectant.
cover with plastics for at least 10 mins
mist the surface with a diluted alcohol mixture
Heavy utility gloves are used when?
intraoral procedures
radiograph processing
entering data in the chairside computers
working with contaminated instruments
All of the above
Which sterilizations method allows instruments to be processed wet?
Dry Heat Static Air
Unsaturated Chemical Vapor
Rapid Heat Transfer
Steam Autoclave
All of the above
Which of the following is an example of regulated medical waste?
Used surgical masks
Used disposable gowns
Used anesthetic needles
Used examination gloves
The goal of an infection control program is to prevent disease transmission from?
Patient to Patient
Patient to Dental Staff
Dental Staff to Patient
All of the above
The CDC recommends that biological monitoring of sterilization equipment be done?
Every Load
Weekly
Monthly
Bi-Monthly
Yearly
____________ are items/ instruments that are used to penetrate soft tissue or bone. They have the greatest risk of transmitting infection and are to be sterilized by heat
Non-Critical Instruments.
Semi-Critical Instruments.
Critical Instruments.
None of the above
How does HIV cause AIDS?
It destroys the liver
it destroys the ability to control muscle action
it destroys the body defenses against diseases
it paralyzes the body
The most important source of potentially infectious microbes in the dental office is
water
air
insects
the patients mouth
none of the above
Some products require ____ of submersion to sterilize.
10 hours
10 minutes
30 minutes
10 days
30 days
TRUE or FLASE
If sterilization has occurred, some forms of microorganisms have been destroyed.
TRUE
FALSE
Which of the following can prevent contamination of a clean instrument or any object handled during treatment?
Rubbing alcohol
Spraying with surface disinfectant
The 5-second rule
Overgloves
_________ transmission means touching or contact with the patient’s blood or saliva.
Direct
Indirect
Airborne
Spatter
In order for an infection to occur, 4 conditions must be present. Which of the following does not accurately describe theses conditions
Number of microorganisms
Virulence
Portal of entry
Any available host
All of the above
Tuberculosis is transmitted through which of the following?
Fecal-Oral Transmission
Indirect Transmission
Airborne Transmission
Vehicular Transmission
None of the above
What is the single MOST effective means of preventing the transmission of disease in the dental office?
Use of gloves
Use of masks
Proper Hand Hygiene
Use of Alcohol based hand rubs
When disposing of regulated waste, what set of regulations must be followed?
County
State
Federal
Which ever is the most stringent
What type of sterilization monitoring is used to determine if sterilization has actually occurred?
Chemical and Biological Monitoring
Chemical Monitoring
Physical Monitoring
Physicals and Chemical Monitoring
Biological Monitoring
Clinical Contact surfaces that have been contaminated by blood should be disinfected using?
High- Level EPA registered disinfectant
Liquid Chemical Sterilant
Low- Level EPA registered disinfectant
Sodium Hypochlorite
Intermediate- Level EPA registered disinfectant
A Low- Level EPA Registered Disinfectant is not effective against which of the following?
Aspergillus
HIV
HBV
Influenza
None of the above
How often does the exposure control pan need to be updated?
Biannually
Weekly
Annually
Every 3 years
Every 3 months
________ items or instruments that touch mucous membranes or nonintact skin and have a lower risk of transmission. Most of these items in dentistry are heat tolerant, and they should be sterilized.
Non-Critical instrument
Semi-Critical instrument
Critical instrument
None of the above
An advantage to using single- use disposable items in the dental office would be?
Lower cost
Ability to reuse the item after sterilization if desired
Environmentally Friendly
More efficient for difficult to clean items
Which airborne infectious disease is a leading cause of death worldwide and is an occupational risk for healthcare workers?
HIV
Legionnaire's Disease
Tuberculosis
Tetanus
None of the above
What is the FIRST step in treating a needle stick injury to a finger?
Apply antibacterial ointment
Apply surgical disinfectant soap
Use soap and water to was the affected area as soon as possible following injury
Wash with soap and water, then apply an antiseptic ointment.
None of the above.
What is the name of the law that prohibits discrimination against patients who are HIV positive?
HIV Protection Act
Equal Rights Amendment
HIPAA
American with Disability Act
Which type of hepatitis is spread through fecal- oral transmisson
Hepatitis A
Hepatitis B
Hepatitis B
Hepatitis D
Which of the following items is classified as semicritical
Bur
Scaler
Lead Apron
Rubber Dam Forceps
All of the above
Which of the following OSHA standards is written to protect the dental healthcare workers from occupational exposure to infectious disease?
Hazardous Communication Standard
Universal Precaution Standard
Bloodborne Pathogen Standard
Exposure Control Standard
Gloves contaminated during dental procedures should be discarded in the?
Regulated medical waste receptacle
Biohazard receptacle
Sharps Container
Regular Waste Receptacle
Which of the following types of waste must be identified with a biohazard label?
Regulated Waste
General Waste
Hazardous Waste
Chemical Waste
All of the above
When evaluating the effectiveness of the sterilizer, what is used as the test medium?
Fungal Protoplasts
Viral Capsids
Bacterial Endspores
Protozal Membranes
What is the MOST common liquid sterilant?
Phenol
Sodium Hypochlorite
Glutaraldehyde
Quaternary Ammonium
None of the above
Sterilization is defined as?
the reduction of pathogenic microorganisms to a safe level
the destruction of some life forms
the destruction of all life forms
the destruction of only bacterial spores.
Which of the following chemicals is a high- level disinfectant ?
Idophors
Sodium Hypoclorite
Chlorine Dioxide
Alcohol
Utilizing the universal/universal precautions is enforced by the?
CDC
OSAP
FDA
ADA
OSHA
Chemicals that are identified as a s health hazard are color coded?
Yellow
White
Red
Blue
None of the above
Waste that has been in contact with blood or other body fluids; in most states, disposed of as general waste
General Waste
Hazardous Waste
Contaminated Waste
Chemical Waste
Check all that apply-
What are examples of Hazardous Waste?
Spent fixer solution
Food container
Scrap Amalgam
Lead foil from X-Ray film packet
Used anesthetics needle
Check all that apply-
What are examples of Infectious Waste?
Scrap Amalgam
Blood soaked guaze
Used Anesthetic needle
Extracted Teeth
Used fixer solution
Check all that apply-
What are examples of General or Contaminated Waste?
Extracted teeth
Used mixing pad paper
Saliva soaked gauze
Food containers
Scrap Amalgam
When recapping a needle, which of the following techniques should be used?
Two- Handed Scoop
One-Handed Scoop
Bent Needle Technique
Broken Needle Technique
Two Handed without recapping device
If a dental office fails to meet safety reequipments identified in the OSHA standards, which of the following will result?
OSHA will close the office until the problem is corrected
OSHA will revoke the dentist's license to practice dentistry
OSHA will revoke the license and certificates if each dental staff involved
OSHA will send an inspector to the office on a daily basis
None of the above
What is the most common type of latex allergy?
Irritant Allergic Reaction
Irritant Contact Dermatitis
Allergic contact dermatitis
Immediate Allergic Reaction
The scavenging system______?
Controls the flow of nitrogen oxide/ oxygen
reduces the nitrogen oxide that escapes into the dental office atmosphere
carries nitrogen oxide/ oxygen from the reservoir bag to the mask or nosepiece
delivers nitrogen oxide/oxygen to the patient as a nasal inhaler
Regulated medical waste comprises what percentage of a dental office's total waste
3%
5%
20-25%
50%
Which gloves are recommended to assist in the placement of amalgam?
Sterile Surgical
Utility
Examination
Over gloves
Check all that apply
Which of the following are killed during sterilization?
Bacteria
Spores
Fungi
Viruses
A chemical spill victim with immediate symptoms of dizziness, headache, nausea, and vomiting is experiencing
Chronic Chemical Toxicity
Acute Chemical Toxicity
Mild Exposure
Chemical Resistance
Which are NOT killed or inactivated by intermediate-level disinfection?
Fungi
Bacteria
Viruses
Spores
Dental professionals are to use surgical masks and protective eyewear?
Only during surgical procedures
whenever the high speed handpiece is used
whenever spatter and aerosolized sprays of blood and saliva are likely
if desired
Which agency regulations apply to the handling of waste in the dental office?
OSHA
EPA
CDC
FDA
Packaging instruments prior to sterilization?
help minimize instrument rusting and dulling
reduces instrument damage from occurring
maintains instrument sterility after processing
prevents organizing instruments into functional groups
How often should spore testing of sterilizers be executed?
Every morning
Once a week
Only after "High Risk" patient
if the sterilizer has been turned off for over 24 hours
Biofilm in a dental unit waterline exemplifies which type of disease transmission?
Dental team to Patient
Patient to Dental Team
Dental office to Community
Community to Dental office to Patient
The main source of infectious microorganisms in a dental office is
the practitioner's hands
airborne particles
water
patients mouths
Which item of personal protective equipment (PPE) is donned last?
Gown
Mask
Gloves
Eyeglasses
Which agent is most lethal?
Sporicidal
Virucidal
Tuberculocidal
Bacteriocidal
Which disinfectant tends to produce yellow staining?
Alcohol
Phenol
Bleach
Iodophor
Which best describes an intermediate-level surface disinfectant?
Bactericidal
Sporicidal
Tuberculocidal
Virucidal
Which does NOT minimize the amount of dental aerosols and spatter generated during treatment?
High Volume Evacuation
Rubber Dams
Preprocedural Mouth Rinse
Saliva Ejector
A sharps container is an example of which?
Administrative Control
Work Practice Control
Engineering Control
Personal Protective Equipment
How often should high speed handpieces or air/water syringes be flushed with water?
After each patient
At the time of lubrication
Once a day
Once a week
Who is known as the "Father of Microbiology"
Robert Koch
Joseph Lister
Louis Pasteur
Antony van Leeuwenhoek
_________is recognized worldwide for her research into the dental issues related to the human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS). ____ discovered oral “hairy” leukoplakia and opened a new arena of research into both HIV/AIDS and Epstein-Barr virus.
Robert Koch
Deborah Greenspan
Nellie Pooler Chapman
Louis Pasteur
___introduced the earliest belief that life was “spontaneously generated” from nonliving matter. This theory remained unchallenged for more than 2000 years. According to this theory, living things arose from muck, decaying food, warm rain, or even dirty shirts.
John Tyndall
Aristotle
Joseph Lister
Antony van Leeuwenhoek
_________was an English surgeon who recognized the role of airborne microorganisms in postsurgical infection.
John Tyndall
Joseph Lister
Louis Pasteur
Robert Koch
___________was a German physician who provided the techniques and discipline necessary to guide future microbiologists. He developed a two-part dish that was used for growing bacteria and a technique used for isolating pure colonies of bacteria
Robert Koch
Louis Pasteur
John Tyndall
Aristotle
____was an English physicist who explained the need for prolonged heating to destroy microbial life in broth. He discovered that bacteria existed in heat-stable and heat-sensitive forms. Prolonged or intermittent heating was needed to destroy the heat-stable form. Intermittent heating, now called tyndallization, killed both forms.
Robert Koch
John Tyndall
Louis Pasteur
Aristotle
____reproduce by dividing into two. ___ that form chains as they divide are called streptococci. Examples of infections caused by streptococci include pharyngitis (a severe sore throat commonly known as “strep throat”), tonsillitis, pneumonia, and endocarditis . ____ that form irregular groups or clusters are called staphylococci. Examples of infections caused by staphylococci include boils 263and other skin infections, endocarditis, and pneumonia.
Bacilli
Cocci
Spirochetes
None of the above
______are rod-shaped bacteria. Tuberculosis is a disease that is caused by a bacillus.
Cocci
Bacilli
Spirochetes
All of the above
______are spiral-shaped bacteria that have flexible cell walls and are capable of movement. Lyme disease, which is transmitted to humans through the bite of an infected deer tick
Cocci
Bacilli
Spirochetes
None of the above
______are responsible for mad cow disease and are linked to human diseases such as Creutzfeldt-Jakob disease and possibly Alzheimer’s disease.
Spores
Algea
Prions
Fungi
______ is a defective virus that cannot replicate itself without the presence of HBV.
HAV
HBV
HCV
HEV
Check all that apply.
Which of the following Hepatitis Viruses can be transmitted trough fecal- oral transmission?
HAV
HBV
HCV
HDV
HEV
Check all that apply.
Which of the following Hepatitis Viruses can be transmitted trough Percutaneous and mucosal tissues?
HAV
HBV
HCV
HDV
HEV
_____is not transmitted through blood-borne contact. It is most frequently transmitted via the fecal-oral route through contaminated food or water.
HAV
HBV
HCV
HDV
HEV
____-infection is a blood-borne viral disease in which the body’s immune system breaks down. Acquired immunodeficiency syndrome (AIDS) is caused by _____. When ___ enters the body, it infects special T cells and slowly kills them.
HBV
HCV
HIV
AIDS
________which is caused by the bacterium Mycobacterium tuberculosis, is the leading cause of death from infectious diseases worldwide.
HIV
HBV
Tuberculosis
Legionnaires'
______which is also known as lockjaw, is an extremely dangerous and often fatal disease that is caused by a spore-forming bacillus found in soil, dust, or animal or human feces.
Tuberculosis
Legionnaires'
Tetanus
None of the above
OSHA's Hazardous Communication Standards is concerned with preventing occupational exposure to dangerous____?
Patients
Diseases
Chemicals
Procedures
Which of the following diseases is easily transmitted in the healthcare setting?
HIV/AIDS
Tuberculosis
MRSA
Hepatitis A
Extracted teeth are considered?
General Waste
Regulated Waste
Nonregulated Waste
Contaminated Waste
Check all that apply.
All DUWLs and handpieces should be flushed ______
every night
every morning
20 to 30 minutes after each patient
20 - 30 seconds after each patient.
TRUE or FALSE
Flushing will not remove biofilm from the lines; biofilm can form while water is moving through the lines.
TRUE
FALSE
OSHA requires that all eyewash stations be inspected ________ to ensure that they are functioning properly. A record of the date of each inspection must be maintained
Daily
Weekly
Monthly
Yearly
How often should a face mask be replaced?
Every 30 minutes
Between each patient
Upon the completion of the day
Every hour
Check all that apply
Who is responsible for ensuring that all infection controls standards are being met all day everyday in the dental practice?
Dentist
Dental Assistant
Hygienist
Laboratory Technician/ Assistant
Sterilization Assistant
