Chapter 23 Flashcards
When microorganisms capable of producing disease invade the body
Infection
Chain of infection (6)
- Infectious agents
- reservoir
- Portal of exit
- mode of transmission
- Portal of entry
- susceptible Host
What is an infectious agent
Germs
Where do germs live (chain of infection)
Reservoir
How do germs get out (chain of infection)
Portal of exit
What is it called the way germs get around (chain of infection)
Mode of transmission
3 types of modes of transmission
- Contact
- droplet
- airborne
Direct transmission
Contact
Transmission via air conditioning, sweeping, shaking out linens
Airborne
Highest level of transmission
Airborne
Transmitted through speaking, sneezing, coughing
Droplet
How germs get in
Portal of entry
What is it called when you are the next sick person
Susceptible host
Normal microbes that a person pickup by coming in contact with objects or another person; can be removed by washing hands
Transient flora
Live deep in skin layers1 where they live and multiply harmlessly; permanent inhabitants of skin and cannot be removed with routine handwashing
Resident flora
5 stages of infection
- Incubation
- prodromal
- illness
- decline
- convalescence
Stages of infection
Manifestation of symptoms
Incubation
Stages of infection
Appearance of vague symptoms
Prodromal
Stages of infection
Signs and symptoms present
Illness
Stages of infection
Number of pathogens decline
Decline
Stages of infection
Return to health
Convalescence
Classifications of infections ( 2)
- By location
- by duration
Classification of illnesses
Location: limited region of the body
Local
Classification of illnesses
Location: spread via blood or lymph
Systemic
Classification of illnesses
By duration : rapid onset and short duration
Acute
Classification of illnesses
By duration: slow development, long duration (<6months)
Chronic
Classification of illnesses
By duration: infection prevention with no decernible symptoms
Latent
Steps to don PPE
1 wash hands
2. Gown
3. Mask
4 goggles
5. Hair cover
6.shoe cover
7. Gloves
Steps to doff PPE
- Gloves
- Gown
- Goggles
- Mask
- Hair cover
- Shoe cover
- Wash hands