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Term5wk1
Term5wk1
66 terms
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Chapter18.21,22
Flashcards
66 cards
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Practice quiz
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Host live
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Questions
66
Answers
1
The oldest and largest group that represents the dental assistant is the:
ADA
OSHA
ADAA
ADHA
2
At a temperature of 160° C (320° F), dry heat sterilization requires ___ minutes.
120
60
180
150
3
There is only one government agency that has a direct influence on dentistry.
False
True
4
Ultrasonic solution, cleaned frequently,min. Of once a days and if more often it can be cloudy
True
False
5
Holding solutions used following an ultrasonic bath prior to bagging the instruments for steril
False
True
6
True or False: Protozoa are capable of surviving free in nature.
False
True
7
Who introduced the earliest believe that life was spontaneously generated from nonliving matter
Van Leeuwenhoek
Lister
Tyndall
Aristotle
8
A dental assistant need not worry about remaining current on the field of dentistry.
True
False
9
Which of the following statements is/are true about chlamydiae?
All of the above
They are the smallest of all bacteria.
They play a role in sexually transmitted diseases
Responsible 👨👩👧👧 disease TRACHOMA; leading cause of blindness
10
Rod-shaped bacteria are called:
bacilli
spores
cocci
11
Which microorganisms is known as the perfect parasite
Bacteria
Viruses
Fungi
Algae
12
Steam temperatures in sterilizing cycles are:
D. Both A and B are correct.
A. 121.11° C (250° F) for 30 minutes
C. 160° C (320° F) for 5 minutes.
B. 133.88° C (273° F) for 15 minutes
13
Which government agencies are related to dentistry?
D. CDC, FDA, and ADA
C. CDC, FDA, EPA, OSHA, and NIOSH
A. CDC, FDA, EPA, OSAP, NIOSH, and ADA
B. CDC, FDA, EPA, OSHA, NIOSH, and OSAP
14
Lead federal agency recognized 4 protecting health & safety4ppl@ home & abroad is the :
CDC
OSHA
EPA
FDA
15
Which statement is correct?
None of the above
Recommendations; enforce compliance w the regulations
Regulations; enforce compliance w regulations
Regulations;no authority to enforce compliance w regulations
16
Organisms that can grow in either the presence or the absence of oxygen are called :
facultative
anaerobes
aerobes
17
What type of microorganisms is the most resistant form of life
Fungus
Virus
Bacteria
Spores
18
Main preventive measure a dental care worker can take to avoid contracting the virus hep B
Ensuring safe drinking water
Modifying the risky behavior
Blood donor screening
Immunization
19
The least desirable method of precleaning instruments is:
hand scrubbing
thermal disinfecting.
ultrasonic cleaning.
20
True or False: Viruses require a living host cell to live and multiply.
False
True
21
What does the term percutaneous mean
Performed through the skin
Microorganisms that do not produce disease
Disease producing microorganisms
A resistant, dormant structure
22
A pandemic disease is one that:
can affect the economy.
All of the above.
can cause serious illness and death.
is global.
23
The spiral-shaped bacteria are called:
staphylococci
spirochetes
cocci
24
The major groups of microorganisms include:
All of the above
🧫🦠 bacteria and algae
Fungi
Viruses 🦠
25
English surgeon 1 of the 1st recognized airborne microorganisms in post-surgical infections
John Tyndall
John Lister
Antony van Leeuwenhoek
Robert Koch
26
The West Nile virus is carried by:
ticks 🕷
reptiles 🦎
mosquitos 🦟
birds 🦢
27
Legionnaire's disease:
C. Transmitted by aerosols & aspiration of contaminated H2O
B. thrives in water.
A. is spread from person to person by contact.
D. Both B and C are correct.
28
Candida is a type of:
protozoa
virus.
bacteria
fungus
29
Chemical sterilants are an excellent method of sterilization.
False
True
30
OSHA's responsibility is to protect workers in the United States from:
All of the above.
physical hazards.
infectious hazards.
chemical hazards.
31
The following sterilization by confirming that all spore forming microorganisms been destroyed
Process integrator
Process indicator
Biologic monitor
Endospore tester
32
Of the following, which will help prevent the spread of the swine flu?
C. Use of insect repellant
D. A and B are correct.
B. Vaccination
A. Meticulous hand hygiene
33
OSHA requires employers offer hep.B vaccine @ $0 to employees w/in 10days of start whoR exposed
False
True
34
Which of the following is considered a noncritical instrument?
X-ray head
Mouth mirror
Rubber dam clamp forceps
Bur
35
The Dutch merchant/amateur scientist who used primitive 🔬 2 observe stagnant water
John Lister
Robert Koch
John Tyndall
Antony van Leeuwenhoek
36
1st stage of syphilis is the presentation of a painless, ulcerative sore known as a
Cold sore
Fever blister
Chancre
Rash
37
Bacteria that require oxygen to grow are known as:
anaerobes
aerobes
38
What does HIV affect once it enters the body
C cells
T cells
Platelets
Red blood cells
39
EPA is assoc. w dentistry by ensuring safety & effectiveness of disinfectants
False
True
40
Hand scrubbing is an effective means of cleaning an instrument and recommended by OSHA.
True
False
41
Bacteria with a spherical shape are called
Spirochete
Bacilli
Cocci
Gram negative
42
An ultrasonic cleaner should be labeled with a:
chemical warning label.
A and B are correct.
biohazard label.
43
Bacteria that are stained by Gram's dye are:
gram positive
gram negative.
gram variable.
44
Which of the following statements is not true about bacteria?
Bacterial infection spread by any means of transmission
They are one-celled microorganisms that vary in shape.
Usually pathogenic bacteria cannot grow at 37° C (98.6° F).
Beneficial and protect human host by aiding in metabolism
45
Grams stain technique requires the sequential use of a crystal violet dye,iodine,alcohol, and
Gram positive bacteria
Capsule
Spore
Safranin dye
46
Factors that influence the disease-producing capability of a pathogen include:
concentration of the pathogen.
host resistance.
All of the above.
virulence of the pathogen.
47
When returning soiled instruments to the sterilization center, the tray is placed in the _area
Contaminated
Clean
Holding
48
The timing is _ mins after the controls show the pressure at 15psi and the temp at 121 c/249.8F
60
30
20
15
49
Examples of semicritical items include:
D. A and C are correct.
C. burs
A. amalgam condensers.
B. bone chisels.
50
The most resistant forms of life known are:
bacteria
viruses
spores
51
Who was responsible for the development of the rabies vaccine?
Robert Koch
John Tyndall
Louis Pasteur
John Lister
52
Most algae have the ability to produce serious human diseases.
False
True
53
The agency responsible for protecting the health and safety of American workers is the
EPA
FDA
CDC
OSHA
54
The best way to disinfect garnet and cuttle polishing wheels and discs is:
None of the above.
chemiclave.
dry heat oven.
steam autoclave.
55
Healthcare worker responsible 4making sure the office is in compliance w OSHA standards is the
D. dentist.
B. dental assistant.
A. office compliance officer.
C. dental hygienist.
56
What does Epstein Barr wires cause
Genital lesions
Oral lesions
Mononucleosis
Shingles and chickenpox
57
W/ regard to infection control, the FDA regulates the manufacturing and labeling of:
gloves, masks, and protective eye wear.
None of the above
ultrasonic cleaners, cleaning solutions, and mouth rinses.
medical devices.
58
organization issues and enforces regulations pertaining to employee safety in the workplace?
CDC
ADAA
ADA
OSHA
59
True or False: NIOSH is a regulatory agency.
False
True
60
Before instruments are wrapped for dry heat sterilization they must be clean and
lubricated
A and B are correct.
dipped in a corrosion-inhibitor solution.
dry
61
The diseases typhus and Rocky Mountain spotted fever are caused by:
mutans streptococci.
Rickettsia
spores
viruses
62
Viruses are capable of:
replicating themselves.
resisting efforts to kill them.
mutation
invading a host cell.
63
OSAP is the premier infection control education organization in dentistry.
True
False
64
agency makes recommendations for infection control procedures practiced in dentistry?
FDA
CDC
ADA
OSHA
65
The agency whose mission is to promote the general health of the American people is the:
NIDCR
FDA
NIH
NIOSH
66
____________ are chain-forming cocci.
Streptococci
Diplococci
Staphylococci