Microbe Host Interaction Flashcards
Located in the Nasopharynx
Neisseria meningitidis
Causes “hot tub bum”
Pseudomonas aeruginosa
MRSA stands for ___________
Methicillin resistant Staphlococcus aureus
________ = to live together
Symbiosis
3 Types of symbiotic relationships
Mutualism
Commensalism
Parasitism
________ - stable relationship where both members benefit
Mutualism
________ - stable relationship where 1 member benefits and the other is not effected
Commensalism
_______ - unstable relationship where a member lives at the expense of the other
Parasitism
Which bacteria causes infections in artificial implants with surgery
Staphylococcus epidermidis
When an opportunistic pathogen causes an opportunistic infection, it is called a ________ infection
Endogenous
3 Normal Flora benefits
Stimulation of the immune system
Microbial Antagonism
Production of vitamins (B and K)
A host who harbors a pathogen but does not get an infectious disease from it
Transient carrier
Bacteria turn “off” genes and communicate by ___________
Quorom sensing
_______ are communities of microbes all living together
Biofilms
2 types of Normal Flora
Resident
Transient
_______ can cause diaper rash after a hosts’ NF has been decreased by antibiotics
Candida albicans
A host that harbors a pathogen for a long time but does not get an infectious disease from it
Chronic carrier
Predominating organisms in the G.I tract
Bacteriodes
Predominant organism of the upper respiratory tract
Streptococcus viridans
Predominant organism of the skin
Staphylococcus epidermidis
Blood, tissues and the central nervous system are ______ sites
Sterile
3 conditions which encourage NF to become opportunistic pathogens
Immune depression
Changes to NF (hormonal change, stress, etc..)
NF in sites it does not belong
4 types of Clostridium difficile
AAD - antibiotic associated diarrhea
PMC - pseudomembranous colitis
Necrotizing entercolitis
Nosocomial diarrhea
Predominant organism in the vaginal tract
Lactobacillus acidophilus
