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46 Cards in this Set
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- Back
- 3rd side (hint)
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norovirus
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What is this?
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Nose Virus
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What does the norovirus cause?
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Stomach Flu-nausea vomiting for 24-48 hours
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Cholera comes in spurts of 10-15 years, where does one become contaminated with the organism?
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Drinking infected water
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The Cause of non-bacterial Gastritis in adults
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Norovirus
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Sudden onset of Diarrhea and vomiting?
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Norovirus
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Cruise ship virus?
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Norovirus
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Do viruses have Mitochondria or Ribosomes
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NO
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Most common viral gastritis in children under 3
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Rotavirus
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Where does the Rotavirus replicate?
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Villi cells of the small intestines
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Which virus shows up in the winter time?
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rotavirus
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What is the 2nd most common cause of non-bacterial gastoenteritis?
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Adenovirus
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What does Adenovirus typically cause?
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Upper respiratory infections
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When do you see adenovirus outbreaks?
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summertime
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Parasites
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Worms, Protazoans (amebea's), Fungi
One celled organisms Have to lifecycle stages Cyst and trophazites |
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What stage of a parasite life is active?
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Trophazites
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what organism has spores?
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Certain bacteria
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what are the worm stage?
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Ova-->larva-->adults
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Ova is an _____.
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Egg
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Entamoeba Histolytica is an ____
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Protozoan
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Where is Entamoeba histolytica most commonly found?
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tropical areas
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What is the sole carrier for Entamoeba Histolytica?
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Humans
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Transmission of entomoeba histolytica?
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Water
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What micro-organisms have cell walls?
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Bacteria and Fungi, not humans or protozoa
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What 2 stages do entomoeba histolytica survive in?
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Cyst and trophozoite
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How does entomoeba histolytica attack the body?
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Causes dysentery by the trophozites attacking the colon's cell wall creating ulcers
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What is the treatment of Entomoeba Histolytica?
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Metronidazole-treats all protozoans
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True or False
Giardia is a bacteria? |
False- it a protozoan
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How do you normally contact a giardia infection?
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drinking stream water
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What are the 2 stages giardia lives in?
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Cyst and trophozoite
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What is giardia's host?
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Wild animals(beavers)
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Which can leave the GI tract?
Entomoeba Histolytica or Giardia? |
Entomoeba histolyitica can
Giardia can not leave the GI tract |
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How do you diagnose Giardia?
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Cyst in fecal material
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How does Giardia work?
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The Protazoan attaches to the duodenum via sucking disc
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how do you diagnose Entomoeba histolytica?
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Cyst is fecal material
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What is the animal reservoir for cryptosporidium?
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Cows
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How do you diagnose cryptosporidium?
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Dark red oocytes found in fecal material after being stained via acid fast procedure
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Where do you use acid fast?
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Microbacterium especially TB
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Where do cryptosporidium attach?
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Villi in small int.
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Would you see Blood in the fecal material with a Giardia infection?
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NO
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What protozoan looks like cryptosporidium?
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cyclospora
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Name the Three nematodes
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Trichuris, Ascaris, Enterobius (pinworm)
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How do all 3 infect humans?
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By ingestion
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How do you diagnose any of the nematodes?
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They all have different eggs. So a fecal smear will tell a trained person which egg comes from different nematodes
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How do you treat nematodes?
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mebendazole
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Amphotericin B is used for what?
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Fungal Infection
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Malaria
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chloroquine is used for what?
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