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Microbiology and Disease transmission and infection control

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


How many major groups of microorganisms are there


which type of bacteria have a rod-like shape


bacteria that require oxygen in order to grow are called what


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


oral candidiasis is an opportunistic infection caused by:


what is the name of a new and separate class of disease-producting molecules that convert normal protein molecules into dangerous ones


currently all prion diseases found in humans affect the


what type of microorganism can live and multiply only inside an appropriate host cell


a virus that prefers a particular cell type in order to replicate is said to have


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


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


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


the disease that breaks down the body's immune system and that is transmitted through bloodborne contact is


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


an infeciton that is short in duration is a

acute infection

a____ disease is one that is communicable or contagious


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


it is ___ that allows the body to resist disease and prevent foreign bodies from causing infection


when immunity is present at birth, it is called ___ immunity


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


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


The guidelines for infection control in dental health care settings 2003, which is now the standard of care, was released by what agency


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


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


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


The correct order that I told you for removing PPE is to first remove the


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


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

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