4 - Infection control Flashcards
What infections occur when the chain of infection is complete?
Nosocomial
Describe the procedure to clean phlebotomy and laboratory surfaces.
Clean the specimen collection area with a decontaminating 1:10 chlorine bleach solution.
Anything contaminated with blood or bodily fluids such as turnicates it is also a 1:10 bleach solution. The more diluted 1:100 chlorine bleach can be used for routine cleaning of surfaces. The minimal contact time to be effective is 10 minutes.
Standard precautions have been designed through the ________ to decrease the risk of transmission of microorganisms.
CDC
Droplet precautions are used for large-particle droplets, which are larger than ________ microns, from an infected person.Nosocomial (health care-associated) infection occurs when:
5
____ represents methicillin-resistant Staphylococcus aureus
MRSA
What are disinfectants?
Chemicals that are used to remove or kill pathogenic microorganisms
Nosocomial (health care-associated) infection occurs when:
the chain of infection is complete
What is a vector in transmitting infectious diseases?
mites, flies…
What is a factor that increases a host’s susceptibility in the chain of infection?
drug use, age….
What is the process of preparing to enter a patient’s isolation room?
hand-hygiene, gown, mask, gloves
What is the process of removing PPE after leaving a patient’s isolation room?
gloves, gown, mask, hand-hygiene
What is an example of a fomite?
A laboratory coat
Which of the following is the most important procedure in the prevention of disease transmission in health care institutions?
handwashing
In the “chain of infection,” the reservoir is:
The person with the infection / reservoir
What chemicals should be used to disinfect tourniquets and items contaminated with blood?
1:10 dilution of chlorine bleach
Antiseptics for skin
alcohol, iodine, chlorhexadine… top 3
Which of the following is a commonly identified pathogenic microorganism that causes health care-associated skin infections?
Candida albicans
Protective (reverse) isolation is commonly used for patients who have:
immunodeficiency disorders
Which of the following is a commonly identified causative agent of nosocomial infections in the nursery unit?
Escherichia coli (e coli)
Which of the following is a commonly identified pathogenic agent that affects the skin?
Herpes virus
What agency of the U.S. Department of Labor that requires employers to provide measures that will protect workers exposed to biological hazards?
OSHA
About how many patients acquire a nosocomial infection annually?
1.7 to 3 million
What is designed to reduce the risk of transmission of microorganisms from both recognized and unrecognized sources of infection in health care facilities?
Standard Precautions
Disinfectants are regulated by the ___
EPA
