Clinical Foundations - Final Exam Test Questions

Question 1

During invasive dental surgery this type of water should be used.

Answer 1

sterile water

Question 2

When assisting with the high volume suction and retracting patient cheek this type of grasp is required

Answer 2

thumb to nose grasp

Question 3

Rinsing oral cavity is completed by use of

Answer 3

Low volume evacuator and air water syringe

Question 4

The least desirable method of cleaning contaminated dental instruments is?

Answer 4

manual cleaning

Question 5

To maintain hinged instruments in good condition, the following chemicals should be used

Answer 5

milk bath

Question 6

What are the three instrument classifications that are used to determine the method of sterlization?

Answer 6

Critical, semi-critical, non-critical

Question 7

If instruments cannot be processed immediately, what shoul be done with them?

Answer 7

They should be placed in holding solution is used to prevent blood and debris from drying on the instruments.
Example: moist towels and chemical spray

Question 8

How does an ultrasonic cleaner work?

Answer 8

The ultrasonic cleaner works by sound waves creating bubbles in the liquid also known as cavitation

Question 9

What are the 3 types of surface disenfecant?

Answer 9

High-Level (most including bacterial long exposure time)
Medium/Intermediate (destroys all vegetative bacteria, mycobacteria, most viruses and most fungi, but not bacterial spores)
Low-Level Disinfectant (destroys most vegetative bacteria and some fungi, as well as enveloped /lipid viruses, e.g., HBV,HIV)

Question 10

Idophoros are example of medium level disenfacant - true or false ?

Answer 10

True

intermediate-level hospital disinfectants with tuberculocidal action. (will stain chairs)

Question 11

Sodium hypoclorate is recomeneded as surface disenfectant - true or false?

Answer 11

False

Sodium Hypochlorite: Broad-spectrum intermediate-level disinfectant ( bleach, may stain chairs)
Alcohol: not effective therefore should not be used

Question 12

Based on the data printed, what are the five components of the sterilizing cycle?

Answer 12

1. Filling Chamber
2. Heating
3. Sterilizing
4. Venting Chamber
5. Drying

Question 13

According to the print, what is the desired sterilizer temperature?

Answer 13

272.2 F

Question 14

How long does take for the sterilizer to heat to the desired temperature?

Answer 14

25 min and 30 sec

Question 15

How long does it take to fill the chamber with the distilled water?

Answer 15

1 min and 12 sec

Question 16

.How do you know if the cycle had been completed without any interruptions?

Answer 16

Bottom of the print displays: “Cycle complete”

Question 17

Why must surfaces in dental treatment rooms be disinfected or protected with barriries?

Answer 17

to prevent patient to patient transmission of microorganisms

Question 18

Which regulation requires the use of surface disinfection?

Answer 18

The OSHA Blood-Borne Pathrogen Standard requires the use of surface disenfection

Question 19

What is the ideal disinfectant?

Answer 19

intermediate - one that can rapidily kill a broad range of bacteria

Question 20

What are the trhee instrument classifications that are used to determine the method of sterilization?

Answer 20

Critical, semi-critical, and non-critical

Question 21

What is the basic rule of the workflow pattern in a n instrument processing area?

Answer 21

Linear or semicircular without doubling back - one way flow

Question 22

If instruments cannot be processed immediately, what should be done with them?

Answer 22

Put them in a holding solution - or under a wet towel/spray them.. to prevent blood and debris from drying on the instrumetns

Question 23

How can instrument rusting be prevented??

Answer 23

Rust inhibitors - MILK BATH

Question 24

Why should instruments be packaged before sterilization?

Answer 24

To ensure they are sterile - to maintain sterility (if no package, soon as you take it out it is no longer sterile)

flash sterilization - is only used in emergencies, the instrument must be used right away

Question 25

What is the primary disadvantage of flash sterilization?

Answer 25

instruments being sterilized are not packed have to be used right awa

Question 26

What PPE is necessary when one is processing instruments?

Answer 26

Gown Mask Eye protection utility gloves

Question 27

When another assistaint is asked to help with the procedure, she or he becomes...

Answer 27

circulating assistant

Question 28

CADA role is to...

Answer 28

regulate the profession protect the public

Question 29

Methods of infection transmission when dental chart is touched with contaminated gloves, the method of trhasmission is referred to as direct or indirect transmission?

Answer 29

Indirect transmission

Question 30

Instruments used to "Restore'" the tooth are referred to as...

Answer 30

Restorative instruments

Question 31

The purpose of precleaning operatory with soap and water is to reduce viruses or bioburden?

Answer 31

Bioburden (left over debris)

Question 32

A receipt on sterilizer is an example of what type of monitoring system

Answer 32

physical/mechanical monitoring system

Question 33

What is the purpose of the pink card in sterilizer?

Answer 33

Used to test vacuum feature in pre-vacuum (dynamic air removal) type of sterilizer. It is Class 2 (SAIT has gravity displacement sterilizer)

Question 34

This handpiece is used when patient needs a ROOT CANAL treatment

Answer 34

endodontic handpiece (it is slow speed)

Question 35

These microorganisms are the most difficult to kill

Answer 35

Endospores

Question 36

BI test is an example of chemical or biological monitoring system

Answer 36

biological - test done oncea day, at the beginning of the day with a full load

Question 37

This dental speciality diagnoses, treats and prevents maloclusion

Answer 37

orthodontics

Question 38

what motion is used when you use slow speed handpiece?

Answer 38

Class 3 - movement of fingers, wrists and elbows (5 involves entire body - avoid this!)

Question 39

Sink is an example of clinical or housekeeping surface?

Answer 39

Housekeeping

Question 40

This handpiece is the least versatile

Answer 40

Prophy/screw type contra angle slow speed handpiece

Question 41

What is Milk bath/rust inhibitor used for?

Answer 41

Hinged instruments (scissors, forceps)

Question 42

This type of handpiece resembles a sandblaster when in action

Answer 42

Air abrasion handpiece

Question 43

Due to frequent hand hygiene, health care personell are prone to this condition

Answer 43

irritant dermatatis

Question 44

What is the purpose of the BI vial

Answer 44

to monitor presence/absense of SPORES

Question 45

The type of plaque that develops inside DUWLs, consisting of bacterial cells and other microbes, is called:

Answer 45

biofilm plaque

Question 46

Methods of reducing the level of bacterial contamination in waterlines include all of the following except:

Answer 46

yearly replacement of all water lines. (It DOES include... chemical treatment regimens. self-contained water reservoirs. microfiltration. )

Question 47

The advantages of self-contained water reservoirs include:

Answer 47

dental personnel can select the quality of water used. maintenance of the water system is under the control of the dental staff.

Question 48

To reduce the microbial count temporarily and to help clean the handpiece waterlines, they should be flushed:

Answer 48

for 20 to 30 seconds between patients. every morning for several minutes.

Question 49

Backflow from low-volume saliva ejectors can occur when a patient: _

Answer 49

closes his or her lips around the tip of a saliva ejector.

Question 50

Precleaning can be accomplished using:

Answer 50

a disinfectant that cleans and disinfects. regular soap and water.

Question 51

The process of killing all microorganisms, including bacterial endospores, is

Answer 51

sterilization.

Question 52

Instrument processing should flow in a single loop from dirty, to _____, to storage.

Answer 52

clean, to sterile

Question 53

The purpose of an instrument holding solution is to: __

Answer 53

prevent the drying of blood and debris on instruments.

Question 54

An ultrasonic cleaner cleans dirty instruments using sound waves, which cause

Answer 54

cavitation. & implosion.

Question 55

To maintain proper care and decrease biofilm buildup, what do you do with the water lines in the dental office throughout the day?

Answer 55

All waterlines are purged at the beginning of the day for a minimum of 2 minutes. All waterlines are flushed (high and low volume suctions) for a minimum of 20 seconds between patients All waterlines are purged (air water syringe) for a minimum of 20 seconds between patients. High speed handpieces are flushed Water conditioning tablets are added to the closed water bottle system to minimizeantimicrobial growth.

Question 56

Can you describe how and when a full mouth rinse will be performed?

Answer 56

at the end of a procedure using the air water and saliva ejector or when rinsing bad taste, small debris

Question 57

Patient items are categorized into three Spaulding classifications, what are they?

Answer 57

Non-Critical Critical Semi-Critical

Question 57

What processes are available in dentistry when cleaning all dental devices? List in order from least desirable to most desirabl

Answer 57

a) Manual scrub b) Ultrasonic c) Thermal washer

Question 58

What tests are used to assure sterilization is successful?

Answer 58

a) Biological Tests: Spores done with the first load b) Mechanical/Physical Tests: Print out c) Chemical Tests: Color changes when exposed to heat

Question 59

List and explain the chemical indicator tests available in dentistry

Answer 59

Class 1 chemical indicator - Tape, outside of the pouch Class 2 chemical indicator - Indicators for use in specific tests such as the Helix/ Bowie Dick test for the Bravo Class 3 chemical indicator - Single variable indicators such as indicating a specific temp was reached inside a package; Tubes, strips Class 4 chemical integrator - Strip, or Multi parameter self –sealing pouch: pressure, temperature and time. Class 5 chemical indicator - Strip (Surgical, implants (all that penetrates tissue, and bone) Correct pressure, Temperature, Time was reached, Vacuum was effective Class 6 - emulating (similar to class 2 ) checks equipment certain features

Question 60

You are about to open sterile pouches and cassettes for your patient preventive appointment. What do you check to ensure instruments are sterile? What quality assurance must be met to be able to use the pouches and cassettes

Answer 60

Cassettes: Must have tagging info (steri info, date) Wrapped packaged class 2 indictor type color change must be noted After opening the cassette, class 4 integrator strip must be verified for color change Pouches; Must have tagging info (steri info, date) on the pouch Verify color change external and internal If more than 3 instruments, verify color change on the class 4 integrator strip

Question 61

While assisting, instruments will have a residue from a dental material. What should be done with the instruments during assisting?

Answer 61

Instruments must be always wiped/cleaned at the point of use with dental gauze

Question 62

After rubber cup preventive appointment, what should you do with below items? Will you: discard, place inside patient’s chart, taken apart, keep, sterilize, put back in order of use

Answer 62

* class 4 integrator strip (discard) * rubber cup (discard) * high volume suction(discard) * unused dental gauze (discard) * sterilizing tag from the cassette or pouch (place inside patient’s chart) * low volume suction attachment (keep, taken apart, steri) * intra oral dental mirror (taken apart, keep, steri) * slow speed handpiece (wiped with gauze or disinfecting wipe, keep, taken apart, steri) * cassette with used instruments (place instruments in order of use, keep, sterilize)