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Dental Assistant Final Exam Chapter 10-20

Total questions: 92

Worksheet time: 3hrs 3mins

Name
Class
Date
1.

The "father of microbiology" is?

a)

Robert Koch

b)

Louis Pasteur

c)

Anton Van Leeuwenhoek

d)

none of the above

2.

Disease-causing microorganis are

a)

Antigens

b)

Pathogens

c)

Antibodies

d)

Microbiology

3.

Tuberculosis is spread to others by?

a)

saliva contact

b)

coughing

c)

cross-contamination by a dental procedure

d)

all of the above

4.

The hepatitis B virus can live on a dry surface for up to

a)

2 days

b)

14 days

c)

10 days

d)

1 month

5.

Herpes simplex virus 1 affects the?

a)

neither

b)

lips and mouth

c)

both

d)

genital areas

6.

The common cold and flu are caused by a ?

a)

bacteria

b)

fungus

c)

rickettsia

d)

virus

7.

The type of hepatitis you may get by eating contaminated food is?

a)

D

b)

B

c)

A

d)

C

8.

AIDS is caused by contracting the virus?

a)

HIV

b)

CDC

c)

HBV

d)

Heptavax-B

9.

Pathogens that stimulate the production of antibodies are called?

a)

Antigens

b)

Immunity

c)

Antitoxin

d)

Purulence

10.

Universal precautions mean is?

a)

Most patients are treated as if they are infectious

b)

both

c)

all patients are treated as if they are infectious

d)

neither

11.

Examples of times when Personal Protective Equipment (PPE) must be worn are?

a)

Initial Examination of patient and Surgical Extraction

b)

Seating a patient

c)

Dismissing a patient

d)

Positioning the patient.

12.

Which regulatory body enforces the law that employers must protect their employees from exposure to infectious materials?

a)

FDA

b)

EPA

c)

ADA

d)

OSHA

13.

One of the best ways to prevent the spread of microorganisms from one person to another is by?

a)

handwashing

b)

handwashing with water and a microbial soap

c)

handwashing with water and an antimicrobial soap

d)

covering the mouth during a sneeze

14.

Antimicrobial means

a)

sterilization

b)

growth inhibitor

c)

disinfection

d)

all of the above

15.

At a minimum, a_________handwash should be done.

a)

15-seconds

b)

20-seconds

c)

1 minute

d)

30 seconds

16.

The glove of choice for working chairside is the _____________glove.

a)

surgical

b)

over

c)

latex

d)

utility

17.

After the procedure, gloves that were not torn or ripped should be__________________.

a)

Washed, dried, and used until they are torn or ripped

b)

sterilized for later use

c)

disinfected for later use

d)

removed and thrown away

18.

Utility gloves are used in a dental procedure________________________.

a)

to handle instruments

b)

to remove hot items from the sterilizer

c)

when placed over latex gloves for retrieve something inside a drawer.

d)

to clean the operatory

19.

A mask is worn by dental team members to________________.

a)

Protect the mucous membranes of the noses and mouth

b)

Keep from having to smell the patient's bad breath

c)

keep from breathing on the patient

d)

Protect the eyes

20.

An ultrasonic cleaner is preferred to hand scrubbing because it_______________________.

a)

Uses sound waves to reach all areas of the instruments.

b)

is safer for the auxiliary

c)

uses a cavitation process

d)

all of the above

21.

After instruments have been removed from the ultrasonic cleaner, they___________________

a)

should be rinsed and dried

b)

are sterilized

c)

are disinfected

d)

must be cleaned by hand scrubbing

22.

An autoclave sterilizes by using______________________________.

a)

chemical vapors

b)

hot bead

c)

steam under pressure

d)

dry heat

23.

Some products require_____________________of submersion to sterilize.

a)

10 minutes

b)

5 hours

c)

30 minutes

d)

10 hours

24.

The disinfection level that kills some viruses and fungi and most bacterial microorganisms _________________level.

a)

high

b)

low

c)

intermediate

d)

none of the above

25.

The disinfection level that destroys most, but not all, bacterial spores is_____________________level.

a)

high

b)

low

c)

intermediate

d)

none of the above

26.

The disinfection level that does not kill bacterial spores is______________________level.

a)

high

b)

low

c)

intermediate

d)

none of the above

27.

Running the water lines in the unit for_____________flushes out the system.

a)

5 seconds

b)

20 seconds

c)

10 seconds

d)

30 minutes

28.

The term that indicates that most individuals infected with HBV or HIV have no symptoms is____________________.

a)

Asepsis

b)

SOP

c)

antiseptic

d)

Asymptomatic

29.

A dry-heat sterilizer requires___________________to sterilize.

a)

150 degrees for 2 hours

b)

340 degrees for 1 hour

c)

250 degrees for 2 hours

d)

270 degrees for 30 minutes

30.

Which for the following are special protective clothing regulated by OSHA?

a)

Uniform

b)

Gowns

c)

Lab Coats

d)

All of the above

31.

Sterilization indicators are used to ensure which of the following errors do not occur?

a)

Bags are not overfilled

b)

both

c)

Sterilizers are not overpacked

d)

none of the above

32.

The Bloodborne/Hazardous Materials Standard covers all the following except.

a)

Housekeeping

b)

hours of employment

c)

laundry

d)

material safety data sheets

33.

After an exposure incident, the employer provides a copy of the health care professional's written opinion within_________days of a completed evaluation.

a)

5

b)

15

c)

10

d)

30

34.

The color and number method often used to label various chemicals was developed by the .

a)

Occupational Safety and Health Administration

b)

Environmental Protection Agency

c)

American Dental Association

d)

National Fire Protection Association

35.

The color blue on the chemical warning label indicates:

a)

Health Hazard

b)

Reactivity or stability of chemcial

c)

Fire Hazard

d)

PPE needed

36.

Broken glass must be cleaned up and placed in ________________.

a)

Plastic Bag

b)

Cardboard container

c)

Leak-proof sharps container

d)

garbage container

37.

Yellow on the chemical warning label determination identifies the:

a)

Fire Hazard

b)

PPE needed

c)

health hazard

d)

reactivity or stability of a chemical

38.

The line around the lip is called the

a)

Commissure

b)

Vermilion border

c)

Smile line

d)

Frenum

39.

The corners of the lips are called

a)

Commisures

b)

Vermilion Broders

c)

Smiles Lines

d)

Frena

40.

The normal range for systolic blood pressure is:

a)

100 to 140 mm Hg

b)

60 to 90 mm Hg

c)

100 to 130 mm Hg

d)

80 to 100 mm Hg

41.

The normal range fro diastolic blood pressure is:

a)

80 to 100 mm Hg

b)

120 to 140 mm Hg

c)

60 to 90 mm Hg

d)

100 to 120 mm Hg

42.

Identify Teeth #5 & 12

a)

1st premolars

b)

1 molars

c)

2nd premolars

d)

2 molars

43.

Identify Teeth 4 & 13

a)

2nd premolars

b)

1st molars

c)

3rd molars

d)

2nd molars

44.

Teeth # 3 & 14

a)

1st Molarrs

b)

2nd Molars

c)

Central Incisors

d)

2nd Premolar

45.

Teeth # 2 & 15

a)

2nd Molars

b)

Lateral Incisors

c)

1st Premolars

d)

3rd Molars

46.

Teeth # 1 & 16

a)

3rd Molars

b)

Central Incisors

c)

Lateral Incisors

d)

2nd Molars

47.

How many roots are in the Maxillary 1, 2 and 3 molars

a)

3

b)

1

c)

2

d)

4

48.

Which maxillary premolar has 2 roots.

a)

1st premolar

b)

2nd premolar

c)

lateral incisor

d)

central incisor

49.

Which teeth has one root?

a)

Mandibular Molars

b)

Maxillary Molars

c)

All Premolars

d)

Central, Lateral, Canine Incisors, Maxillary 2nd premolar and Mandibular premolars

50.

Teeth # 24 & 25

a)

Central Incisors

b)

Canine

c)

Lateral Incisors

d)

1st Premolars

51.

Teeth 23 & 26

a)

Central INcisors

b)

Canine

c)

Lateral Incisors

d)

2nd Premolars

52.

Tooth A is

a)

2nd Molar

b)

1st molar

c)

canine

d)

central incisor

53.

Teeth E & F

a)

Lateral Incisors

b)

Central INcisors

c)

Canines

d)

2nd molars

54.

Teeth D & G

a)

Lateral Incisors

b)

Central Incisors

c)

Canines

d)

1st molar

55.

Tooth T

a)

1st molar

b)

2nd molar

c)

Lateral incisor

d)

canine

56.

Caries on the interproximal surfaces of the anterior teeth are Class.

a)

III

b)

I

c)

II

d)

V

57.

Caries on the interproximal surfaces and involving the incisal edges of the anterior teeth are Class____________.

a)

IV

b)

I

c)

II

d)

III

58.

Caries on the interproximal surfaces of the posterior teeth are class

a)

II

b)

I

c)

IV

d)

III

59.

The five cavity classifications were developed by

a)

The American Dental Association

b)

Dr. G.V. Black

c)

Dr. Edmund Kells

d)

Dr. Lucy Hobbs.

60.

Caries on the pits and fissures of the teeth are Class

a)

I

b)

IV

c)

II

d)

V

61.

Caries on the facial or lingual gingival one-third are Class

a)

V

b)

II

c)

III

d)

I

62.

The tooth numbering system most used in the United States is the

a)

Universal

b)

FDI

c)

Palmer

d)

none of the above

63.

Using the Universal numbering system tooth Number 3 is the

a)

Maxillary right first molar

b)

mandibular left first molar

c)

mandibular left third molar

d)

maxillary right third molar

64.

Using the Universal numbering system, tooth Number 13 is the

a)

maxillary left second premolar

b)

maxillary left first molar

c)

mandibular left first premolar

d)

mandibular right second premolar

65.

Crowns are made of

a)

procelain

b)

gold

c)

gold and porcelain

d)

all the above

66.

Incipient decay is

a)

Arrested decay

b)

decay that has reached the pulp

c)

beginning decay

d)

none of the above

67.

What is that abbreviation I

a)

Incisal

b)

Occlusal

c)

Lingual

d)

Incipient

68.

What is the abbreviation LI

a)

Lemons

b)

Lingual-Incisal

c)

Lingual

d)

Liar

69.

What is the abbreviation MOD

a)

Moms old Dress

b)

Medial Odd Disc

c)

Mesio-occluso-distal

d)

Mouth Open

70.

What Abbreviations is DO

a)

Incisal

b)

Disto-occlusal

c)

Linguo-Incisal

d)

Mesio-occluso-distal

71.

Medicines are

a)

Drugs that are used to treat disease

b)

Substances that can change life-chemical processes in the body.

c)

drugs that cause an unintended result

d)

none of the above

72.

A drug is a substance that

a)

can change life-chemical processes in the body

b)

is used to treat disease

c)

causes an unintended result

d)

none of the above

73.

An example of a brand name drug is

a)

Tylenol

b)

Aspirin

c)

both

d)

neither

74.

An example of a generic drug name is_________________.

a)

Aspirin

b)

Both

c)

Tylenol

d)

neither

75.

B.I.D is an abbreviation for__________________________,.

a)

Twice a day

b)

take

c)

every hour

d)

after meals

76.

T.I.D is an abbreviation for

a)

three times a day

b)

take daily

c)

time to dine

d)

till needed

77.

A.c. is an abbreviation for

a)

Before meals

b)

twice a day

c)

every hour

d)

after meals

78.

What areas creates the first impression of the dental office?>

a)

The parking loot

b)

The reception area

c)

bathroom

d)

the operatory

79.

The area in which the dental treatment occurs is the

a)

lab

b)

operatory & treament room

c)

breakroom

d)

reception area

80.

What items are the dental unit composed of

a)

Patient chair

b)

curing light

c)

handpieces, HVE, three-way syringe

d)

dental light, rheostat

81.

The mode of delivery that has the equipment behind the patient's head is the _________________delivery system.

a)

rear

b)

front

c)

side

d)

none of the above

82.

The mode of delivery that has the equipment pulled over the patient's chest is the _________________________delivery system.

a)

rear

b)

front

c)

side

d)

none of the above

83.

When a patient's nose and knees are on the same plane, it is termed the ________________

a)

Subsupine

b)

upright

c)

45 degree

d)

Supine

84.

When the instrument is picked up from the tray by the assistant, it is picked up___________________.

a)

Parallel

b)

end to end

c)

at a right angle

d)

none of the above

85.

The retrieval of an instrument is done by the

a)

Left and right hand

b)

little finger

c)

thumb

d)

none

86.

The hand instrument used to shape and plane enamel and the dentin wall of the cavity prep is the

a)

Hoe

b)

excavator

c)

hatchet

d)

chisel

87.

A(n)______________________is used in a pulling motion to smooth and shape the floor of the cavity preparation.

a)

hoe

b)

hatchet

c)

chisel

d)

excavator

88.

The instrument used to remove carious material and debris from the teeth is the _______________________.

a)

excavator

b)

hoe

c)

hatchet

d)

chisel

89.

Which type of anesthesia produces a pain-free area?

a)

Local

b)

topical

c)

general

d)

oral

90.

Which type of anesthesia desensitizes the mucosa for a brief period?

a)

Local

b)

General

c)

Topical

d)

mouthwash

91.

A vasoconstrictor will

a)

constrict the blood vessels around the injection site.

b)

decrease the bleeding at the site.

c)

both a and b

d)

neither

92.

The most common vasoconstrictor used in dentistry is

a)

epinephrine

b)

nitrous oxide

c)

valium

d)

lidocaine

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