Show:
Infection Control
Health Risks
Immunity
Vaccines
Epidemiology
100
What is asepsis?
Freedom from almost all disease causing organisms
100
How is a relative risk expressed?
As a ratio
100
How does a person develop acquired immunity?
Immunization
100
Why might an adult need to be immunized?
Travel, certain jobs, after an injury
100
____________ are made from antigens isolated from disease-causing microorganisms
Vaccines
200
What is the difference between disinfecting and sterilizing?
Disinfecting DECREASES number or microorganisms, doesn't kill spores. Sterilizing DESTROYS all microorganisms, kills spores.
200
What is the WHO definition of a health risk?
Probability of an adverse outcome or a factor that raises this probability
200
Name the 3 different types of immunity
Innate, acquired, herd
200
What are the advantages of an inactivated vaccine?
don't need fridge, easier to transport, don't cause infection
200
Define an epidemic
Greater than expected level of occurrence
300
Name 3 strategies to control the spread of infection
Eliminate microorganisms, reduce transmission of microorganisms, reduce susceptibility of individuals
300
An _____________ risk is related to lifestyles or something that can be modified.
Avoidable
300
Define herd immunity
immunity of a portion of the population provides protection of non-immune portion of population
300
what type of vaccine requires several doses to produce immunity?
Purified toxoid vaccine
300
Name 3 high risk populations that should be vaccinated
Aged 65+, healthcare workers, aboriginal, pregnant women, very young children
400
Name 3 risk factors for infection
Age, heredity, stressors, nutrition, diseases, smoking, obesity, medications
400
Define morbidity
Adverse effects related to an illness
400
Name 3 non-specific body defences
cilia, saliva, tears, stomach acid, resident flora
400
What is the purpose of an adjuvant?
Stimulates the immune system and increases response to vaccine
400
Why is it important to maintain the cold chain when storing vaccines?
Protect the viability, safety, and efficacy of vaccines
500
What are the 6 methods of sterilization?
moist heat (steam), dry heat, gas, chemical, boiling, radiation
500
Define mortality
Death rates
500
What specific body defences are a part of innate immunity?
antibodies, t-cells
500
Who should NOT be vaccinated?
If you have allergies to eggs or gelatine, weak immune system, have had an allergic reaction in the past, very sick, high fever
500
Name 3 of the different types of vaccinations
Killed (inactivated), modified (live attenuated), purified toxoids