WorksheetsChapter 19,20,21 Test
Total questions: 59
Worksheet time: 35mins
Name
Class
Date
1.
Which of the following terms is used to describe disease-causing organisms?
a)
Virulence
b)
Bioburden
c)
Pathogens
d)
Infectious disease
2.
An infection that has a rapid onset or a short course is a(n) __________ infection.
a)
chronic
b)
latent
c)
acute
d)
opportunistic
3.
A(n) _____________ injury is through the skin, such as a needle stick.
a)
percutaneous
b)
permucosal
c)
infectious
d)
dermatitis
4.
_________ transmission means touching or contact with the patient’s blood or saliva.
a)
Direct
b)
Indirect
c)
Airborne
d)
Spatter
5.
Which of the following types of pathogens are carried in the blood and body fluids of infected individuals and that can be transmitted to others?
a)
Blood-borne
b)
Parenteral
c)
Virulent
d)
Acquired
6.
Immunity allows the body to resist disease and prevents foreign bodies from causing
a)
susceptibility.
b)
immunity.
c)
infection.
d)
heredity.
7.
When immunity is obtained by recovery from a disease, it is called _______________ immunity.
a)
active naturally acquired
b)
active artificially acquired
c)
passive naturally acquired
d)
passive artificially acquired
8.
Which of the following is the most common route of patient to dental team disease transmission in the dental office?
a)
Droplet infection through inhaling aerosol generated by the dental handpiece
b)
Direct contact with the patient’s blood or saliva
c)
Indirect contact with a contaminated surface
d)
Indirect contact with a contaminated instrument
9.
Which of the following is the best method for washing hands that are not visibly soiled?
a)
Bar soap and water
b)
Liquid soap and water
c)
Alcohol-based hand rub
d)
Antimicrobial-saturated wipe
10.
Who should be notified first of an exposure incident after initial first aid is provided?
a)
Employer
b)
Employee’s physician
c)
Source patient
d)
Workers’ compensation provider
11.
Which of the following is the correct sequence for handwashing and gloving?
a)
Wash your hands before you put on gloves, but not after you remove gloves.
b)
Wash your hands before you put on gloves and immediately after you remove gloves.
c)
Wash your hands only after you remove gloves.
d)
You do not need to wash your hands if you wear gloves.
12.
Which of the following should be removed first when removing PPE?
a)
Gloves
b)
Protective eyewear
c)
Gown
d)
Mask
13.
The BBP Standard requires use of protective eyewear
a)
with front but not side protection.
b)
with front and side protection
c)
including contact lenses, which are considered to be protective.
d)
along with a face shield.
14.
Exam gloves used during dental treatment can be made of which of the following materials?
a)
Latex or vinyl
b)
Vinyl but not latex
c)
Clear plastic
d)
Cotton
15.
Pathogens must have a pathway into the body called a(n) ___________ to cause infection.
a)
portal of entry
b)
susceptible host
c)
acute infection
d)
chronic infection
16.
Which of the following is a persistent infection in which the symptoms come and go?
a)
Chronic infection
b)
Permucosal
c)
Infectious
d)
Latent infection
17.
Transmission of pathogens occurring through contact from person to another person is which of the following forms of transmission?
a)
Direct
b)
Indirect
c)
Airborne
d)
Spatter
18.
Immunization or vaccination is known as _______________ immunity.
a)
naturally acquired
b)
inherited
c)
active
d)
acquired
19.
Infection control measures that help to prevent disease transmission to the dental professional include
a)
gloves and handwashing.
b)
rubber dams and the use of patient mouth rinses.
c)
the use of masks.
d)
All of the answer options.
20.
Which infection control measures must be practiced to avoid patient-to-patient disease transmission?
a)
Instrument sterilization and use of sterile instruments
b)
Surface barriers
c)
Handwashing and the uses of gloves
d)
All of the answer options
21.
Which type of mask is recommended for procedures with moderate to heavy amounts of fluid, spray, and aerosols generated?
a)
ASTM Level 1 mask
b)
ASTM Level 2 mask
c)
ASTM Level 3 mask
d)
ASTM Level 4 mask
22.
Which of the following is true of the use of face masks for dental treatment?
a)
A mask should be worn to cover the mouth and not the nose.
b)
The flat mask is preferable to the dome-shaped mask because it is less likely to become wet.
c)
Masks should be changed for every patient or more often.
d)
Masks should be removed be pinching the center of the mask avoiding the side edges where touching can contaminate the skin of the operator.
23.
The environmental surfaces that must be cleaned and decontaminated more rigorously than the others are
a)
housekeeping surfaces.
b)
clinical contact surfaces.
c)
floors and walls.
d)
sinks.
24.
If the surface below the barrier is inadvertently touched when removing a contaminated barrier, the protocol to follow indicates
a)
the surface does not have to be cleaned and disinfected.
b)
the surface needs to be cleaned and disinfected.
c)
all treatment room surfaces need to be cleaned and disinfected.
d)
a double layer of protective material needs to be placed over the contaminated surface.
25.
Chemicals that destroy or inactivate most species of pathogenic microorganisms on inanimate surfaces are called
a)
disinfectants.
b)
sterilants.
c)
antiseptics.
d)
antibiotics.
26.
Disinfectants used in dentistry must be registered with the Environmental Protection Agency (EPA) as hospital disinfectants with the ability to kill
a)
methicillin-resistant Staphylococcus aureus.
b)
Escherichia coli.
c)
Mycobacterium tuberculosis
d)
bacterial spores.
27.
For sterilization to occur using an immersion disinfectant, items must be immersed for a minimum of _____ hours.
a)
2
b)
6
c)
12
d)
24
28.
To avoid contamination in a dental treatment area, the best approach is to
a)
disinfect the dental treatment tray, light handles, and patient chair.
b)
disinfect the light handle, chair handles, and anything the patient has touched.
c)
disinfect those surfaces touched by dental instruments.
d)
assume all surfaces have been contaminated.
29.
The protocol to follow to minimize contamination of touch and transfer surfaces from splash, spatter, and surface droplets is to
a)
preclean and disinfect the surfaces after each use with soap, water, and alcohol.
b)
use a liquid sterilant weekly.
c)
apply an acceptable barrier following precleaning and disinfection.
d)
apply, remove, and reapply surface barriers with clean hands.
30.
The use of barriers on surfaces and equipment can prevent contamination of contact areas. The correct protocol for their use would include
a)
removing and discarding with gloved hands, and replacing using clean gloves between patients.
b)
using a barrier that will absorb fluids.
c)
disinfecting each barrier using the spray-wipe-spray technique.
d)
placing 10 to 12 barriers on the surface and removing one following the treatment of each patient.
31.
Clinical contact surfaces that have been contaminated with blood should be cleaned and disinfected with
a)
a sterilant.
b)
high-level disinfectant.
c)
intermediate-level disinfectant.
d)
low-level disinfectant.
32.
Which is used to kill disease-causing microorganisms that remain on the surface after precleaning?
a)
Disinfectant
b)
Antiseptic
c)
Antimicrobial
d)
Sterilization
33.
The label on a chemical agent contains all of the following except
a)
directions for use.
b)
precautionary statements for handling the product.
c)
storage and disposal information.
d)
the manufacturer suggested retail price.
34.
The following are considered single-use items except
a)
patient napkins.
b)
plastic orthodontic brackets.
c)
metal impression trays.
d)
irrigating syringes.
35.
Which of the following patient care items is classified as a semicritical instrument?
a)
Dental bur
b)
Dental hygiene scalers
c)
Plastic-handled brushes
d)
Lead apron
36.
Which of the following statements is true regarding the seven steps for instrument processing?
a)
Packaging takes place following sterilization.
b)
Sterilization takes places prior to storage.
c)
Storage takes place prior to packaging.
d)
Storage takes place following delivery.
37.
An Environmental Protection Agency (EPA)-registered intermediate-level or low-level disinfectant is suitable for cleaning ____________ instruments.
a)
critical, semicritical, and noncritical
b)
critical and semicritical
c)
semicritical and noncritical
d)
noncritical
38.
Personal protective equipment (PPE) that must always be used when processing instruments includes
a)
vinyl or latex gloves, a mask, eyewear, and protective clothing.
b)
utility gloves, a mask, eyewear, and protective clothing.
c)
utility gloves, eyewear, and protective clothing but not a mask.
d)
utility gloves, a mask, and protective clothing but not eyewear.
39.
When transporting and processing contaminated patient care items, precautions need to be taken to avoid personal exposure to microorganisms by
a)
using a toothbrush to manually clean visible blood from dental instruments.
b)
using nitrile or latex treatment gloves for instrument cleaning.
c)
storing critical instruments without wrapping them.
d)
minimizing handling of loose contaminated instruments during transport to the instrument-processing area.
40.
The ideal instrument-processing area should be
a)
large enough for several assistants to work at one time.
b)
dedicated only to instrument processing.
c)
part of the treatment areas and dental laboratory.
d)
open to the outside through a door or windows.
41.
Instrument processing should flow in a single loop from dirty, to _______, to storage.
a)
sterile
b)
clean, to sterile
c)
preclean, to clean
d)
preclean, to clean, to sterile
42.
The ultrasonic cleaner should be cleaned and disinfected
a)
every other day.
b)
once a week.
c)
at least once a day.
d)
once every 28 days.
43.
At the completion of the cleaning cycle of an ultrasonic cleaning unit, instruments should be
a)
bagged.
b)
rinsed with clear water.
c)
placed in the sterilizer.
d)
put away.
44.
Instruments need to be bagged before steam sterilization to
a)
protect them from becoming contaminated after sterilization.
b)
demonstrate that they have been in a holding solution for a sufficient length of time.
c)
keep them from rusting.
d)
identify them as dental restorative treatment instruments rather than dental hygiene instruments.
45.
Process indicators that change color are useful for
a)
biologic monitoring of sterilization.
b)
identifying instrument packs that have been exposed to a certain temperature.
c)
proving that all bacteria have been killed.
d)
verifying that all endospores are not viable.
46.
Sterilization destroys
a)
all microbial forms, including bacterial spores
b)
all microbial forms, except bacterial spores.
c)
bacteria, including bacterial spores and viruses but not fungi.
d)
bacteria, including bacterial spores and fungi but not viruses.
47.
All reusable instruments (critical and semi-critical) that contact the patient’s blood, saliva, or mucous membranes must be
a)
heat sterilized.
b)
heat sanitized.
c)
precleaned and disinfected.
d)
discarded in a biohazard bag.
48.
Microorganisms in a steam sterilizer are killed by
a)
heat.
b)
pressure.
c)
water vapor.
d)
lack of oxygen.
49.
All of the following are forms of sterilization monitoring except ______ monitoring.
a)
physical
b)
structural
c)
chemical
d)
biologic
50.
A tear in an instrument package requires the dental assistant to
a)
staple the hole closed.
b)
ignore the hole.
c)
use a new instrument package.
d)
tape the hole closed with autoclave tape.
51.
Ultrasonic cleaners are used to
a)
loosen and remove debris from instruments.
b)
disinfect instruments.
c)
sterilize instruments.
d)
eliminate the need to wear and mask, protective eyewear, and a protective gown as is required for hand scrubbing.
52.
The minimum frequency recommended by the CDC, ADA, and OSAP for biologic monitoring of all sterilizing equipment is
a)
daily.
b)
bi-weekly.
c)
weekly.
d)
monthly.
53.
Instruments used to penetrate soft tissue or touch bone are termed _________ instruments.
a)
noncritical
b)
semicritical
c)
critical
d)
basic cleaning
54.
A process indicator is placed
a)
inside the instrument package.
b)
outside of the instrument package.
c)
in a culture to determine if spores survive the sterilization cycle.
d)
determine if the sterilizer gauges have been calibrated correctly.
55.
Match the different types of disinfectants
a)
Tuberculocidal
1.
Kills microorganism that causes tuberculosis
b)
Sporicidal
2.
kills spores
c)
Virucidal
3.
kills viruses
d)
Fungicidal
4.
kills fungi
e)
Chemicals Not EPA Registered as Disinfectant
5.
isopropyl alcohol,household bleach
56.
What is the correct order for Donning PPE
a)
GOWN
b)
MASK
c)
GLASSES
d)
GLOVES
1)
2)
3)
4)
57.
What is the correct order of doffing PPE
a)
GLOVES
b)
GLASSES
c)
GOWN
d)
MASK
1)
2)
3)
4)
58.
Match the term with its definition
a)
Sepsis
1.
the body's extreme response to an infection
b)
Asepsis
2.
a condition in which no living disease-causing microorganisms are present
c)
Disinfection
3.
the process of cleaning something, especially with a chemical, in order to destr
d)
sterilization
4.
a process that destroys or eliminates all forms of microbial life and is carried
59.
Match the term with its definition
a)
OSHA
1.
ensure safe and healthful working conditions for workers by setting and enforcin
b)
CDC
2.
Role is to issue specific recommendations based on sound scientific evidence
c)
FDA
3.
Regulates the manufacture and labeling of medical devices as well as antimicrobi
d)
EPA
4.
responsible for the protection of human health and the environment.
e)
MSD Sheets
5.
document that contains information on the potential hazards (health, fire, reac
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