Public Health Flashcards
(28 cards)
What is the shape of epidemic dependent on source for common source?
Sharp rise with rapid decline
What is the shape of epidemic dependent on source for host to host?
Slower and more progressive rate
What is Quarantine?
Isolation of infected individuals until no longer infected.
What are antibiotics?
Chemicals used to selectively target one type of organism?
What are antibiotics produced from?
- Bacteria
- Fungi
- Plants
Antibiotics have _____ toxicity and______ cellular target.
Selective, specific
What are the major antibacterial antibiotics?
- betal lactam antibiotics
- Fluorquinolones
- Macrolides
betal lactam antibiotics target what
Cell wall synthesis
Fluorquinolones target what?
DNA structure
Macrolides target what?
Protein synthesis
Topoisomerase contribute to what?
Proper DNA structure
What is an example of a macrolide?
Azithromycin
What are problems with antibiotics?
- Misuse
- Innapropriate perscription
- Use in agriculture for growth
- Animal hobbies pets and aquarium
- Relaxed regulations
As you use antibiotics innaproppriately you ______ for a resistant strain
Select
What are ways that you can become temporarily resistant to antibiotics?
- Microbe not growing
- Microbe not growing in a location that is accessible to an antibiotic
- Microbe growing in a biofilm
What plasmid encodes for many resistant genes?
R100
What are the ways you can become resistant to antibiotics? MOs fighting against antibiotics
- Decreased influx
- Inactive antibiotic
- Target protect/mod
- Target bypass
- Efflux
how do we combat antibiotic resistance
- Development of new drugs
- Prudent antibiotic use
- Surveillance
- Infection prevention
- Infection control by other methods
What are the types of vax?
- Live attenuated strains
- Dead virus or bacteria
- Component Vax
What is a live attenuated vax
Ex
Replicating strain with defects
Influenza measles mumps rubella
What is a dead virus or bacteria Vax
Ex.
Safe version of live attenuated vax
polio, rabies, hep A
What are component vaccines?
Piece of virons
What are subunit protein vx
hep b anthrax
What are toxoid modified or inactive toxin vx
diptheria tetnus