Chain of Infection
What is the first link in the chain of Infection?
Infectious agent(pathogen)
What type of infection develops rapidly and often has pronounced symptoms?
Acute infection
A dental assistant has direct contact with a patient's infected leasion. What type of transmission is this?
Direct contact transmission
Which organization develops evidence-based infection-control recommendations for dental offices?
CDC- Centers for Disease Conrol and Prevention
What does PPE stand for?
Personal Protective Equipment
What is the term for the place where microorganisms live and multiply
Reservior
What type of infection lasts for a long period of time?
Chronic infection
A dental assistant touches a contaminated drawer handle and then touches a clean instrument. What type of transmission could occur?
Indirect contact transmission
Which federal agency enforces workplace health and safety standards?
OSHA- Occupational Safety and Health Administration
When should a dental assistant perform hand hygiene in relation to wearing gloves?
Before putting on gloves and immediately after removing them
What is the name for the pathway through which a pathogen leaves its reservior?
Portal of exit
WHat type of infection remains inactive in the body and can reactivate later?
Latent infection
A dental assistant is accidentally punctured by a contaminated needle. What type of exposure is this?
Parenteral exposure
What does BBP stand for?
Blood borne pathogens
What type of gloves should be used when cleaning contaminated instruments?
Heavy-duty utility gloves
Name the six links in the chain of infection in order
Infectious agent, reservior, portal of exit, mode of transmission, portal of entry, susceptible host.
What type of infection occurst when weakened defenses allow an organism to cause disease?
Opportunistic infection
A patient coughs and infectious respiratory droplets contact a dental assistant's unprotected eyes. What type of transmission is this?
Airborne transmission
What is the name of the written pan explaining how an employer will minimize occupational exposure to bloodboorne pathogens?
Exposure Control Plan
What is the most dangerous type of immediate latex allergy discussed in Chapter 19?
Type 1 hypersensitivity reaction, which can cause anaphylaxis
A dental assistant performs hand hygiene after removing gloves Which link in the chain of infection can this help break?
Mode of tranmission
What is the difference between active and passive immunity?
Active immunity occurs when the body produces its own immune response;passive immunity occurs when a person receives antibodies made by another source
An infectious organism remains suspended in the air in small particles and is inhaled. What type of transmission is this?
Airborne transmission
A dental Assistant experiences a contaminated needlestick. Name two immediate actions that must be taken
Wash the affected area with soap and water, and promptly report the incident for medical evaluation and follow-up according to the exposure control plan
A dental assistant removes contaminated gloves and immediately touches their phone without performing hand hygiene. What infection-control mistake occurred?
Failure to perform hand hygiene after removing gloves, creating a cross-contaminated risk.