Microbial Diseases of the Digestive System Flashcards
cholera symptoms
- dysentery
- water loss of up to 1 liter per hour
cholera pathogen
vibrio cholerae
cholera diagnosis
presence of rice-water stool
cholera transmission
contaminated water
shigellosis pathogen
caused by four species of shigella
traveler’s diarrhea pathogen
e coli
traveler’s diarrhea transmission
commonly ground beef
campylobacter transmission
raw poultry
what is campylobacter the most common cause of?
most common cause of diarrhea that sends people to the doctor
what do some patients with campylobacter experience afterwards?
some patients experience guillian-barre syndrome following infection
Antimicrobial-associated Diarrhea symptoms
- 5 to 10 clear watery foul smelling bowel movements per day
- pseudomembranous colitis can occur in severe cases
Antimicrobial-associated Diarrhea pathogen
clostridium difficile
Salmonellosis symptoms
- abdominal cramps
- diarrhea
Salmonellosis transmission
- raw chicken
- contaminated eggs
Salmonellosis pathogen
enteritidis and typhimurium
typhoid fever symptoms
- fever
- delirium
- may last up to 4 weeks
typhoid fever pathogen
- tiphy
- paratyphi
typhoid fever transmission
contaminated food or water
Peptic Ulcer symptoms
abdominal pain
Peptic Ulcer pathogen
helicobacter pylori
peptic ulcer transmission
fecal-oral transmission
Periodontal disease symptoms
- swollen gums
- bleeding gums
Periodontal disease pathogen
porphyramonas gingivalis
Dental Caries symptoms
Appear as holes or pits in the teeth (cavities)
Dental Caries pathogen
Streptococcus mutans is a frequent cause of caries
infections of the GI tract
- gastroenteritis due to the consumption and effect of bacteria
- symptoms by 12-72 hours
intoxications of the GI tract
- gastroenteritis due to the consumption of bacterial toxin
- symptoms within 1-6 hours
food poisoning symptoms
- nause
- vomitting
food poisoning pathogen
staphylococcus aureus
food poisoning transmission
- processed meats
- potato salad
- ice cream
Oral Herpes symptoms
- nitial flu like symptoms
- presence of fluid filled lesions
Oral Herpes pathogen
Human Herpesvirus 1 (HHV-1)
Oral Herpes latency
HHV1 can become latent in the trigeminal nerve ganglion and reactivate
Mumps symptoms
swlling of the parotid salivary glands
mumps prevention
MMR vaccine
Viral Gastroenteritis symptoms
- abdominal pain
- diarrhea
- vomiting
- death due to dehydration
Viral Gastroenteritis pathogen
- caliciviruses
- astroviruses
- rotaviruses
what do noroviruses cause?
norovirus causes 90% of non bacterial infections
what do rotaviruses cause?
rotavirus caues infantile gastroenteritis
viral gastroenteritis prevention
vaccine for rotavirus
Viral Hepatitis symptoms
- inflammation of the liver
- jaundice
Viral Hepatitis pathogen
Hepatitis A - E
viral hepatitis transmission
- A and E are fecal-oral transmission
- B-D are sexually transmitted
Viral Hepatitis prevention
vaccines for HAV and HBV
Giardiasis symptoms
- often asymptomatic
- diarrhea and associated symptoms can last up to four weeks
Giardiasis transmission
- contaminated water
- beavers are a common zoonotic source (beaver fever)
Criptosporidiosis symptoms
severe watery diarrhea with potentially serious complications
Criptosporidiosis transmission
contaminated water
luminal Amebiasis symptoms
asymptomatic
invasive amebic dysentry symptoms
severe diarrhea and colitis
invasive extraintestinal amebiasis symptoms
causes necrotic lesions in organs
Amebiasis pathogen
entamoeba hystolica
Amebiasis transmission
- contaminated food or water
- oral-anal intercourse