Upgrade to remove ads
Only $35.99/year

ICE QUIZ 1, 2, 3

Terms in this set (150)

A sharps container should be which of the following
red, puncture-resistant, marked for bio-hazard, closable
____ infection is the mode of disease transmission that involves large-particle droplet spatter. ______infection involves minute particles that can remain in the air for hours and can be inhaled
Droplet; Aerosol
____ immunity occurs when a vaccination is administer and the body forms antibodies in response to the vaccine
active artificial
The use of preprocedural mouth rinse can lower the number of microorganisms that may escape a patient's mouth through which of the following modes
aerosols
The dental healthcare worker who is HCV positive should
use standard precautions and good infection control procedures
If a positive spore test occurs, which should be done immediately
Re-sterilize the instruments, and re-test
Unwrapped instruments should be used
immediately after sterilization
After accepting employment you opt not to recieve a hepatitis B vaccination and have signed a waiver to this effect. You have the right to:
change your mind and employer is required to provide the vaccination
Exam gloves used during dental treatment can be made of
latex
Adding additional liquid soap to the dispenser
May lead to bacterial contamination of the exiting soap and dilution of content
which should be disposed pf in regulated waste
Extracted teeth; blood soaked gauze
All dental professionals must use masks and protective eyewear to protect the eyes and face
whenever spatter and aerosolized sprays of blood and saliva are likely
The most common route of disease transmission in the dental office is through
direct contact with the patients blood or saliva
Extracted teeth containing amalgam restorations should not be autoclaved because
release of mercury vapor
Your patient notes on his medical history that he has lost weight, has a constant cough, low-grade fever, and suffers from night sweats. What could be the cause of these symptoms?
TB (tuberculosis)
which of the following statements is true as it applies to use of overgloves
overgloves are placed before the secondary procedure is performed and are removed before patient treatment is resumed
The following conditions may harbor bacteria and lead to contamination
rings and other hand jewelry; chipped nail polish
which of the following is necessary for use of chemical vapor sterilization
adequate ventilation
Which of the following exemplifies an acute infection
common cold
Recommendations concerning gloves would fall under which of the following categories of infection control practices that directly relate to dental radiography procedures
protective attire and barrier techniques
Which of the following is an example of parentral disease transmission in dentistry
needle stick injury, cuts, abrasions, or nay break in the skin
A chronic infection is best exemplified by which of the following
human immunodeficiency virus
The strength of an organism in its ability to produce disease is:
virulence
What type of glove is used for packaging and sterilizing contaminated instruments
utility gloves
When should the DHCP change gloves?
When punctured, when peeling or when torn
All dental assistants involved in direct patient care must undergo routine training in
infection control, safety issues, and hazard communication
Microorganisms that produce disease in humans are known as
pathogens
If removing needles from reusable syringes, which of the following are acceptable?
hemostat, hub-clamping devices
Dry heat sterilizers operate at which of the following
160 C (320 F) fro 60 minutes
Gloves should be worn when
both b and c are correct
what is the appropriate amount of time to flush the high speed handpiece between patients
20-30 seconds
Which of the following is considered regulated waste (biohazard)
pathologic waste
Eating and drinking may be doen safely in which of the following
staff lounge; reception area
The transmission of a disease to a susceptible person by handling contaminated instruments or by touching the face, eyes or mouth is referred to as
indirect transmission
Which of the following PPE is removed first after the completion of a clinical procedure
gloves
Bacteria can be identified by shape. which of the following is the shape of bacilli
rod
Pathogens that are carried in the blood and body fluids of infected individuals and that can be transmitted to others are referred to as
bloodborne
An infection that results from a defective immune system that cannot defend against pathogens normally found in the environment is a(n)
opportunistic infection
The term that means a sufficient quantity of materials or supplies needed to treat a single patient is
unit dose
Gloves should be changed
after touching face mask or after treatment is completed
The process by which the number of organisms on inanimate objects is reduced to a safe level. It doe snot imply freedom from microorganisms, and generally refers to a cleaning process
sanitation
When immunity is present at birth, it is referred to as
inherited immunity
When re-capping a needle, which of the following should be used
one-handed-scoop method, needles with re-sheathed device
During which of the following procedures would you use sterile surgical gloves
oral surgery
Which of the following would be considered the best method fro determine whether there is proper sterilization function of a sterilizer
a biological spore test through a monitoring system
when packaging of hazardous infectious waste is being prepared for disposal, which of the following should be considered
all infectious waste destined for disposal should be place in closeable, leak proof containers or bags that are coded or labeled appropriately
which of the following is acceptable fro maintenance of dental suction lines
non-detergent, enzymatic vacuum cleaner
Please pick the correct sequence fro processing instruments for steam-under pressure sterilization
hold, clean, packaged, sterilize, store
Reduction of the amount of aerosol and splatter can be accomplished by
use of rubber dam; use of high velocity evacuation
what is the proper sequence for donning PPE's
Put on gown, eyewear, mask, wash hands, glove
Instruments prepared for unsaturated chemical vapor sterilization should be:
thoroughly dried
When can a liquid sterilant or high-level disinfectant achieve sterilization
when the solution is used only fro the longer exposure time
______is defined as the absence of pathogens, or disease-producing microorganisms
asepsis
OSHA requires that a dental practice review the facility's infection control plan
annually
If ragwheels are to be reused, what would be the BEST means of decontamination
autoclave
when should the hands of the DHCP be washed
After removing gloves
Which of the following is an example of transmission via droplet infection
inhaling through mucous membranes
If a person tests seropositive fro HIV infection, this means that he/she is
infectious
When washing hands after a nonsurgical dental procedure, all of the following are acceptable infection control practices EXCEPT
drying hands with reusable cloth towel
According to CDC guidelines, when transporting a biopsy specimen, it should be
placed in sturdy, leak proof container with a biohazard symbol
From the list below, select the best procedure for caring for an explorer
steam under pressure
From the list below, select the best procedure fro caring for a contaminated needle
sharps container
A medical laboratory report which states that a patient is HBeAg Pos and HBsAg Pos suggests that this person
is an infectious carrier of Hepatitis B
Immersion in a chemical liquid sterilant requires at least ___ hour(s) of contact time for sterilization to occur
10
which method is used to sterilize unwrapped instruments fro immediate use
flash sterilization
Which type of sterilization uses in the dental office requires the highest temperature
dry heat sterilization
Which of the following is NOT a recommended method for sterilizing dental burs
chemical liquid sterilant
According to the OSHA Bloodborne Pathogens Standard, the employer is NOT required to provide
dosimeter badges
The use of personal protective equipment is necessary because herpetic conjunctivitis can manifest in/on the
eyes
Before dental x-ray films are exposed, the treatment area must be prepared using
aseptic techniques
The preferred system fro maintaining the sterility of instruments is to store them
in the packages in which they were sterilized
Define antiseptic
A substance that inhibits the growth of bacteria
If the dental assistant suspects that the sterility of a multiple-dose medication vial has been compromised, he or she should
discard the vial in an appropriate container
To prevent cross-contamination in the dental office, which of the following is true regarding the use of latex gloves
use a new pair of gloves with each patient
From the list below, select the best procedure fro caring fro a saliva ejector
non of the above - it is disposed of
from the list below, select the best procedure fro caring for medicament bottles
spray-wipe-spray or wipe-wait-wipe with surface disinfectant
which of the following may be used fro surface disinfectant in the dental office
idophors
From the list below, select the best procedure fro caring for a handpiece
steam under pressure without emulsion
from the lst below, select the best procedure fro caring for a pair of crown and collar scissors
steam under pressure with emulsion
which of the following shows that the sterilization process was successful
biologic spore test
after spraying an alginate impression with disinfectant, it should be
placed in a plastic bag
which of the following disposable item may be reused if properly disinfected
none of the above
A dental dam is recommended as a barrier technique for infection control because it
reduces spatter of saliva blood and pathogens
which bacterium us primarily responsible for tetanus
bacillus
Manufacturers of sterilizers (autoclaves) set them to reach a maximum steam temperature of _____ degree F and pressure of ____ psi (pounds per square inch)
250; 15 to 30
From the list below, select the best procedure for caring for a pair of protective glasses
soap, water, and disinfectant
When using medical latex or vinyl gloves:
Nonsterile gloves are recommended for examinations and nonsurgical procedures
the primary reason that a face mask must be used during a dental procedure is to
protect the operator and assistant from exposure to spatter and aerosol created by high speed handpieces
what method of infection control is PREFERRED for the x-ray unit control panel
protecting with a barrier
While taking a patient's health history, it is noted that there is a history of tuberculosis and the patient is currently experiencing symptoms of this disease. Which of the following would NOT be appropriate action in the office
Tell the patient you will not be able to treat him or her anymore
Which method of sterilization requires good ventilation
unsaturated chemical vapor
Isopropyl alcohol i snot an acceptable disinfectant because it
can evaporate too rapidly from environmental surfaces
Instruments can be pre-soaked in holding solution immediately after use to
prevent drying of blood and organic matter
Over-packaging an autoclave may result in a/an
inability of steam to penetrate the material
protective clothing
must prevent skin and mucous membranes exposure when contact with blood or other body fluids is anticipated
To avoid cross-contamination, when should the high speed handpiece or air-water syringe be flushed with water
after each patient
The substance produced by the body in response to hepatitis B vaccine is a/an
antibody
from the list below, select the best procedure fro caring fro a mouth mirror
steam under pressure without emulsion
Which of the following are considered to be semicritcal instruments in radiography
x-ray film holding device
Which of the following statements is true as it relates to environmental infection control in a clinical areas
avoid the use of carpet and cloth-upholstered furnishings
Legionella bacteria can cause what type of condition in a susceptible person
pneumonia
what is the purpose of a holding solution
prevent the drying of blood and debris on instruments
the least desirable method of precleaning dental instruments is
hand scrubbing
Using an ultrasonic cleaning basket reduces the direct handling of instruments, allows for easy placement into and removal from the cleaning solution, facilitates rinsing of the cleaned instruments and
raises the instruments off the bottom of the tank to provide optimal cleaning
Nosocomial infections are commonly acquired in
a hospital or other medical facility
After instruments have completed the cleaning cycle of ultrasonic cleaner, they should be
rinsed with water
The ultrasonic cleaner should be cleaned and disinfected
at least once a day
for which of the following is there NOT a vaccine
strep throat
Which of the following is the goal of a sound infection control program to reduce cross-contamination
dental team member to patients
Which of the following steam autoclave times and setting is most effective in in activating the hepatitis B virus
121 degrees C (250 degrees F) and 15 psi fro 30 minutes
following an amalgam restoration, remaining amalgam should be
placed in a sealed container
if any dental health care worker experiences tremors, in ability to concentrate or remember, depression, decrease in kidney function or sudden disorders, the person may be suffering from
mercury poisoning
to minimize the possibility of a non-specific skin reaction to gloving, the dental health care worker should
wash and thoroughly dry hands before gloving
Select the ideal instrument processing area.
dedicated to instrument processing
When using the autoclave, timing the sterilization cycle should be begin when the
correct temperature and pressure are reached
to effectively sterilize open canisters and jars, in which position within the autoclave should they be placed
at an angle
Patient care instruments are categorized in to various classifications. Into which classification would instruments such as surgical forceps, scalpels, bone chisels, and scalers be places
critical
The best time to clean and disinfect a dental prosthesis or impression that will be processed in the office laboratory is
as soon as possible after removal from the patient's mouth
which of the following is a recommended method of preventing surface contamination
use a surface barrier
According to the OSHA Bloodborne Pathogens standard, the written exposure control plan must be updated at least
once a year
While handling a contaminated explorer an assistant receives a percutaneous injury to the finger. The assistant should FIRST
wash hands with soap and water
when working with visible light curing systems, the dental health care worker should
use safety shields to avoid eye damage
the Organization fro Safety and Asepsis Procedures (OSAP) identifies the classification of clinical touch surfaces to include which of the following
light handles, dental unit controls, and chair switches
When transferring hazardous chemicals to a secondary container in the office, appropriate labeling of the secondary container is the responsibility of
the user
When polishing a dental appliance with a polishing lathe or at chairside, the pumice micture should be discarded
after each use
If a spray is used to disinfect an impression, the impression should be
rinsed before spraying
The primary reason fro using the ethylene oxide sterilizer is
the items that may be adversely affected by heat may be sterilized
Spores of Bacillus atrophaeus are used to monitor which of the following types of sterilizers
dry heat
why is it important to keep an SDS fro the liquid sterilant (e.g. glutaraldehyde) on file
it provides information on how to protect against exposure to a chemical and what to do if an exposure occurs
The process that kills disease-causing microorganisms, but not necessarily all microbial life, is called
disinfection
the ultrasonic cleaner
a and c are correct
A victim who immediately feels the effects of a chemical spill with symptoms of dizziness, headache, nausea, and vomiting, is experiencing
acute chemical toxicity
which of the following is true fro people positive fro hepatitis B surface antibody,
Cannot contract or transmit hepatitis B.
Failing to disinfect or cover the exposure button on the x-ray unit after each patient may result in
cross-contamination
The effectiveness of sodium hypochlorite as a disinfecting agent is dependent upon the
strength of the mix
lack of adequate ventilation can be harmful during the mixing of which of the following materials
Acrylics, gypsum
There are areas of the instrument processing facility that govern the workflow patter. The process should flow in a single loop from
dirty to clean to sterile to storage
to temporarily reduce the level of microbes in the water, the CDC recommends flushing the waterlines at the beginning of the day fro how many seconds
120
Disinfection is BEST defined as the
destruction of most pathogenic organisms, but not bacterial endospores
Spores of Bacillus stearothermaophilus are used to monitor which of the following types of sterilizers
steam under pressure
in an uncontrolled environment, dental personnel exposed to nitrous oxide are more likely to exhibit an in crease in which of the following problems
spontaneous abortion
According to OSHA, the dental assistant may do which of the following before depositing a contaminated needle in a designated puncture resistant container
recap it
which of the following statements is true as it relates to the environmental infection control in a clinical area
avoid the use of carpet and cloth-upholstered furnishings
All of the following actions may cause TB cross-infection from one patient to another with Tuberculosis EXCEPT
indirect contact with surfaces
Biological indicators fro monitoring an autoclave or an unsaturated chemical vapor unit contain spores of
Bacillus stearothermophilus
to reduce cross-contamination, what should be done to impressions and appliances when sent to the laboratory
clean and disinfect before sending them to the laboratory
OSHA requires a minimum period of training of dental personnel in which of the following areas
the Hazard Communication Standard
Precautions that may be taken in the dental office to lower the exposure of personnel to nitrous oxide gases include
using a scavenging system in the nitrous oxide equipment
when preparing sodium hypochlorite for use as a surface disinfectant, it should be
diluted 1:10 to 1:100
what are standard precautions
The concept that considers that blood and all patient body fluids are potentially infectious
Sets with similar terms