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55 terms

Chapter 18 and 19 review Dental

Microbiology and Disease transmission and infection control
STUDY
PLAY
It is important for the dental assistant to have a foundation in microbiology in order to :
understand the nature of pathogens and to know how to prevent disease transmission in the dental office
Microorganisms that produce disease in humans are known as
pathogens
How many major groups of microorganisms are there
5
which type of bacteria have a rod-like shape
bacilli
bacteria that require oxygen in order to grow are called what
aerobes
the most resistant form of life known is
a spore
a large group of one-celled organisms that are found in fresh water and marine habitats, and in moist soil are
portozoa
oral candidiasis is an opportunistic infection caused by:
yeast
what is the name of a new and separate class of disease-producting molecules that convert normal protein molecules into dangerous ones
prions
currently all prion diseases found in humans affect the
brain
what type of microorganism can live and multiply only inside an appropriate host cell
viruses
a virus that prefers a particular cell type in order to replicate is said to have
specificity
antibiotics are ineffective in treating disease caused by
viral infections
Chemicals such as chlorine ( bleach ) iodine,phenol, and formaldehyde are __
too toxic to be used internally
which form of viral hepatitis is the lease serious form
A
SARS is a viral respiratory illness, caused by a coronavirus, and spread by
droplets when a person coughs or sneezes and close person to person contact
Which infectious disease is a leading cause of death worldwide and is an occupational risk for healthcare workers
tuberculosis
dental assistants should be immunized against what
hepatits and tetanus
the benchmark for the effectiveness of a surface disinfectant is the "kill time" for what
tuberculosis
the disease that breaks down the body's immune system and that is transmitted through bloodborne contact is
HIV
The links in the chain of infection are virulence,number of microorganisms,susceptible host and
portal of entry
the strength of an organism in its ability to produce disease is
virulence
an infeciton that is short in duration is a
acute infection
a____ disease is one that is communicable or contagious
infectious
transmission of a disease to a susceptible person through the handling of contaminated instruments or by touching contaminated surfaces is a form of
indirect transmission
mist like aerosols are
finer sized particles than sprays and spatters
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
it is ___ that allows the body to resist disease and prevent foreign bodies from causing infection
immunity
when immunity is present at birth, it is called ___ immunity
inherited
transmission of a disease, from the dental office to the family of a member of the dental team, is an example of___ disease transmission in the dental office
dental office to community
the most common route of disease transmission in the dental office is through
direct contact with the patient's blood or saliva
The CDC
issues specific recommendations on health -related matters, based on sound scientific evidence
The regulatory agency whose role it is to issue specific standards to protect the health of employees in the United States is
OSHA
The guidelines for infection control in dental health care settings 2003, which is now the standard of care, was released by what agency
CDC
The law designed to protect employees against occupational exposure to bloodborne disease causing organisms such as HBV,HIV, and HCV is
the osha bloodborne pathogens standard
The written exposure control plan that describes how the dental office complies with bloodborne pathogens standard must be reviewed and updated
annually
according to the CDC, ___ represents a standard of care designed to protect health care providers from pathogens that can be spread by blood or any other body fluid, excretion, or secretion.
Standard precautions
The CDC term "Standard Precautions" applies to contact with
all body fluids, secretions, and excretions except sweat, regardless of whether or not the contain blood
Following an exposure incident, the ___ should be notified of the injury immediately after initial first aid is provided
employer
The first procedural step after an exposure incident is to
Stop operations immediately
The BBP standard requires the dentist/employer to provide training in infection control and safety issues to who
all personnel who may come in contact with blood, saliva or contaminated instruments or surfaces, including a receptionist or office manager who may occasionally clean a treatment room or handle instruments or impressions
After administration of the HBV vaccine, the CDC recommends
A blood test to make susre that the individual has developed immunity
Handwashing guidelines recommend that you
Wash your hands before you put on gloves, and immediately after you remove gloves
what is considered personal protective equipment that the employer should provide free of charge to the employee
disposable patient treatment gloves
The bloodborne pathogens standard states that contaminated protective clothing
can be laundered in the dental office and can be picked up by a laundry service
The correct order that the book tells you for removing PPE is to first remove the
gown
The correct order that I told you for removing PPE is to first remove the
gloves
The BBP standard requires use of protective eyewear
with fornt and side protection ( solid side shields )
Exam gloves used during dental treatment can be made of
latex, or vinyl
the most serious type of latex allergy, one that can even result in death, is called
type I allergic reaction
CDC guidelines and the OSHA bloodborne Pathogen Standard consider saliva to be a
potentially infectious body fluid
Waste that has had contact with blood or other body fluids is considered contaminated and is disposed of as ____ waste in most states
general
Infectious waste is
contaminated waste that is capable of transmitting an infectious disease
The best time to clean and disinfect dental prostheses or impressions that will be handled in the in office laboratory is
as soon as possible after removal from the patient's mouth
Creutzfelt-Jakob disease
Is thought to be caused by a prion infection