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MICRO4
Diseases of the Digestive System
| Question | Answer |
|---|---|
| DISEASES | DISEASES |
| What do mutans cause? | Cavities/plaque |
| DISEASES OF THE DIGESTIVE SYSTEM | DISEASES OF THE DIGESTIVE SYSTEM |
| What are the most common isolates from stool? | Gram negatiev rods like E-coli AND gram + Enterococci |
| BACTERIAL DISEASES | BACTERIAL DISEASES |
| FOOD INTOXICATIONS | FOOD INTOXICATIONS |
| What dieases causes chlora? | Vibrio cholerea |
| ID IT: | Gram negative rod |
| What disease does it cause? How severe? | Massive diarrhea and vomiting-->Death by dehydration |
| How is this spread? | Via water |
| What is the virulence factor present? and what does it do? | Chlora toxin-->pumps water into intestine |
| How would you diagnose it in stool? | Rice water stool |
| FOOD INFECTIONS | FOOD INFECTIONS |
| E-COLI | E-COLI |
| What are the two forms of e-coli that cause food INFECTIONS (what group is targeted by each)? | Enteropathogenic (infants) E-coli and Enteroinvasive (Traveler's) Strains |
| Which forms of E-coli cause FOOD INTOXICATIONS? | Enterohemmorrhagic (EHEC) and Enterotoxigenic (ETEC) |
| What do you need to assocaite dysentary with? | shiga toxin |
| What sort of shiga toxin does EHEC have? What is the offical name of EHEC? | Non-invasive one; O157:H7 |
| CAMPYLOBACTER | CAMPYLOBACTER |
| What is the organism involved and shape: | Bampylobacter jejuni (vibrio) |
| What 2 diseases are caued? | Gastroenteritis, dysentery; SOME Guillain-Barre (neurrologica) |
| How common is the disease and how is it spread? | Very common, spread by poultry |
| What bacteria causes PEPTIC ULCERS? ID IT | helicobacter Pylori; Gram -- Vibrio |
| How does it cause peptic ulcers? | Endotoxin with Urease enzyme that lowers pH |
| How do you test for it? Treat with (come on, it has to do with teh stomach)? | Injest some radioactive urease and see if urease is broken down --> urine smell; PEPTOBISMOL |
| VIRAL VIRAL VIRAL VIRAL VIRAL VIRAL VIRAL | VIRAL VIRAL VIRAL VIRAL VIRAL |
| HEPATITIS A | HELPATITIS A |
| How is hepatitis A acquired? Does it come from food or handlers/ | Injestion; comes from food handlers |
| HEPATITIS B | HEPATITIS B |
| Which of the particles it forms are of cocern? | Dane particle |
| What kind of Nucleic acids does it have? | NONE |
| What is an important symptom? | Hepititis B antigen is a surface antigen-->diarrhea |
| What does Heb B can cause? | Liver Cancer |
| Who is at risk for Heb B? | Healthcare workers at HIGH risk |
| What does Hep D require for infection and what does it cause? | IT NEEDS Hep BBB---MORE SEVERE heb B |
| What is ROTAVIRUS usually misdiagnosed as | stomach flu |
| Who does it target and what does it cause? | Targets children and causes gastroenteritis |
| Who does NOROVIRUS target and what does it cause? | Target ADULTS and causes gastroenteritis |
| High or low inoclulation? | Low (10) |
| How can it spread? | Easily through vomit fomites...etc |
| Does digestive normal flora remain the same all the time? | Nope |
Created by:
talkglitter2486