Normal Microbiota Flashcards
→scientific study of disease
PATHOLOGY
concerned with the cause of the disease
ETIOLOGY
manner in which a disease develops
PATHOGENESIS
Name of the bacteria that cause
Etiologic agent
ASA
Aspirin - Acetylsalicylic
Peptic ulcer disease Top 1 cause
Helicobacter pyolori
Peptic ulcer disease Top 2 cause
Long term use of ASA & NSAIDs
Peptic ulcer disease Top 3 cause
Hypersecretory state
→organisms that can cause diseases in a host
PATHOGENIC MICROORGANISMS
→invasion/ colonization of the body by pathogenic
microorganisms.
INFECTION
→an infection may exist in the absence of a
detectable disease
(LATENT INFECTION)
→occurs when an infection results in any change
from a state of health where, the body is
incapable of performing its normal functions.
DISEASE
Causative agent of syphilis
Treponema pallidum
Causative agent of Tuberculosis
Mycobacterium tuberculosis
Normal pH vagina
4
→are microorganisms that has established more or less permanent residence (colonize) but do not produce disease
under normal conditions
NORMAL FLORA
→present for several days, weeks, or months and then disappear
TRANSIENT MICROBIOTA
Maintains the pH levels of the vagina
Lactobacilli species
Causative agent of Vaginal Candidiasis
Candida albicans
Vaginal Candidiasis sign
Melted-cheese smell
E.coli releases ________ inhibits other bacteria
bacteriocin
E.coli name
Escherichia coli
E.coli inhibits
shigella, salmonella, and Clostridium difficile
E.coli mechanisms
Production of bacteriocin
Competition of nutrients
Eliminates normal flora
Broad-spectrum antibiotics
Ampicilin
Clindamycin
Clostridium difficile causes
Pseudomembranous colitis
Diarrhea
Relationship between normal microbiota and the host
Symbiosis
One organism benefits, and the others is unaffected
Commensalism
Both organism benefit
Mutualism
most normal microbiota are __________
commensals
One organism benefits at the expense of the other
Parasitism
E.coli synthesizes vitamin __________
Vitamin K and some B-vitamins
