EXAM 400+ QUESTIONS AND CORRECT ANSWERS ALREADY
GRADED A+
Which mode of transmission spreads disease by inhaling airborne microorganism
(AEROSOLS)?
A. Indirect contact
B. Direct contact
C. Inhalation
D. Fecal-oral transmission
E. Nasal and eye membranes or oral mucosa via droplets - Inhalation
What is the difference between inhalation transmission and droplet transmission? -
Droplets are larger (>50um), while aerosols are smaller in size (<50um); we can most of
the time see droplets while aerosols are difficult to see.
Which mode of transmission spreads disease through CONTAMINATED FOOD OR
WATER and can be considered indirect and direct contact?
A. Indirect contact
B. Direct contact
C. Inhalation
D. Fecal-oral transmission
E. Nasal and eye membranes or oral mucosa via droplets - Fecal-oral transmission
What are the CONDITIONS/CRITERIA for disease-organism transmission to occur? - 1.
PATHOGENIC organism of SUFFICIENT VIRULENCE and in ADEQUATE NUMBERS
2. A SOURCE/RESERVOIR for pathogen to survive and multiply
3. A MODE of transmission from the source to HOST
4. A PORTAL OF ENTRY for pathogen to enter host
5. A SUSCEPTIBLE HOST (not immune)
What term states that healthcare personnels must follow the SAME protocol for ALL
patients, regardless of infectious status or health history? - Standard Precautions
T/F: The STANDARD PRECAUTIONS apply to blood, nonintact skin, and mucous
membranes. It also consists of other bodily fluids, saliva, secretions, excretions, sweat,
and tears. - First statement is true, second is false; it excludes sweat and tears
What type of equipment is designed to PROTECT the oral healthcare worker from
exposure to bloodborne and other pathogens to the skin, clothing, eyes, mouth, and
other mucous membranes? - PPE (personal protective equipment)
,Which agency regulates DISPOSAL of HAZARDOUS materials like medical and
chemical waste? - EPA (Environmental protection agency)
Which agency regulates registration of CHEMICAL GERMICIDES used for healthcare?
- EPA
Which agency is a part of the Department of Health and Human services and ensures
SAFETY AND EFFECTIVENESS of food, cosmetics, drugs, and medical devices? -
FDA(Food and Drug Administration)
What EPA document impacts INFECTION CONTROL and prevention in dentistry?
A. Hazardous waste regulations
B. Hazard Communication standard
C. Hospital antimicrobial disinfectant registrations
D. CDC Guidelines for Infection Control in Dental Healthcare Settings
E. Bloodborne Pathogen standard
F. All of the above - Hospital antimicrobial disinfectant registrations and Hazardous
waste regulations
Which agency regulates the manufacturing and labeling of MEDICAL DEVICES? - FDA
What type of WASTE has the potential for disease TRANSMISSION and requires
SPECIAL handling and disposal?
A. Regulated waste
B. Non-regulated waste - Regulated waste
What are examples of regulated waste? - sharps, blood or items soaked in blood,
tissues and extracted teeth
What type of waste includes all other disposable items other than sharps, tissues,
extracted teeth, and blood-soaked items?
A. regulated waste
B. non-regulated waste - non-regulated waste
What are examples of non-regulated waste? - cups, gloves, saliva ejectors
What type of item can PENETRATE the skin and other tissues?
A. sharps
B. gloves
C. cups
D. saliva ejectors - sharps
, What term describes puncture-resistant containers for DISPOSAL of sharp items that
could puncture skin?
A. sharps container
B. trashcan
C. autoclave - sharps container
T/F Sharps containers must be closable, puncture-resistant, leak-proof, and labeled with
a BIOHAZARD SYMBOL. The CDC recommends that they can be located anywhere in
the dental office. - The first statement is true, second is false (CDC recommends sharps
container be AS CLOSE to work area as possible.
Which mode of transmission requires PERSON-TO-PERSON body contact with blood,
oral fluids, or other patient material?
A. Indirect contact
B. Direct contact
C. Inhalation
D. Fecal-oral transmission
E. Nasal and eye membranes or oral mucosa via droplets - Direct contact
Which agency is a FEDERAL agency that enforces WORKPLACE SAFETY - OSHA
(occupational safety and health administration)
Which agency protects EMPLOYEES by improving ENGENNERING controls and
enforcing PPE - OSHA
Is OSHA a REGULATORY agency? - yes
What OSHA documents impact INFECTION CONTROL and prevention in dentistry?
A. Hospital antimicrobial disinfectant registrations
B. Hazard Communication standard
C. CDC Guidelines for Infection Control in Dental Healthcare Settings
D. Bloodborne Pathogen standard
E. Hazardous waste regulations
F. All of the above - Bloodborne Pathogen standard and Hazard Communication
standard
Which agency developed infection control GUIDELINES for healthcare settings? - CDC
(Center for Disease Control and Prevention)
What CDC document impacts INFECTION CONTROL and prevention in dentistry?
A. Bloodborne Pathogen standard
B. Hazard Communication standard
C. CDC Guidelines for Infection Control in Dental Healthcare Settings