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Microbiologyh > Chapter 25 - Micribial Diseases Of Digestive System > Flashcards

Chapter 25 - Micribial Diseases Of Digestive System Flashcards

1
Q

What are dental caries

A

Tooth decay, streptococcus mutants

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2
Q

Process of dental caries

A

Attaches to tooth by capsule, causing plaque formation

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3
Q

symptoms of dental caries

A

Roughness on tooth, yellowish discolouring, sensitive, tooth may break into pieces

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4
Q

Two types of periodontal disease

A

-gingivitis
-periodontitis

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5
Q

Gingivitis

A

If dental caries is not maintained
-plaque between gum tissues and bleeding gums

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6
Q

What is gingivitis

A

S. Mutants
-gram negative bacteriodetes and fusobacterium

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7
Q

Periodontitis

A

If gingivitis is not maintained
-pockets in gums, gums receding, pus formation

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8
Q

Toxins in periodontitis

A

Prophyeommonas gingivitis are bacteriodetes in gums
-produce exotoxin and releases endotoxins
-degeneration of tooth structures

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9
Q

Treatment for periodontitis

A

Root canals

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10
Q

Infection

A

Bacteria through food or water
-grow in stomach
-has incubation period

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11
Q

Intoxication

A

Already growing in food, so instead you get toxins

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12
Q

Gastroenteritis

A

Can effects stomach, intestine and causes inflammation

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13
Q

Oral rehydration therapy

A

First step in treatment, cleans GI tract, after antibiotics

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14
Q

General symptoms

A

Nausea, vomiting, diarrhea, dysentery, constipation and fever

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15
Q

Food poisoning staphylococcal is caused by

A

Food poisoning and s. Aureus

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16
Q

Food poisoning staphylococcal is spread by

A

Chicken, ham, creamy foods

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17
Q

Symptoms and toxin of Food poisoning staphylococcal

A

Nausea, vomiting, diarrhea
-intoxication, super antigenic

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18
Q

Diagnosis of Food poisoning staphylococcal

A

Abrupt and violent, immediately after eating the toxin contaminated food
-1 to 6 hours

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19
Q

Treatment for Food poisoning staphylococcal

A

ORT and possible antibiotics

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20
Q

Shigellosis is caused by

A

Shigella dysenteries

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21
Q

Shigellosis symptoms and other

A

-severe bowel movements, dysentery, dehydration, slight fever

-incubation period of 12-36 hours, small intestine and moves to large

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22
Q

Toxin of Shigellosis

A

Infection of shiga exotoxin that inhibits protein synthesis in large intestinal cells and destroyers them completely
-leaving scare

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23
Q

Diagnosis and treatment of Shigellosis

A

Isolation of bacteria
-ORT and quinolones

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24
Q

Salmonellosis is caused by

A

Salmonella enterica

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25
Salmonellaosis is spread by
Food sources: beef, poultry, spinach, cantaloupe, raw eggs
26
Salmonellaosis symptoms and toxin
Nausea and diarrhea -endotoxin
27
Salmonellaosis diagnosis and treatment
-isolation of bacteria, serotyping -ORT
28
Cholera is caused by
Vibrio cholerae
29
Cholera fluid loss
Lose 12-20L of fluid per day -dehydrated
30
Symptoms of Cholera
Diarrhea, dehydration, shock, kidney failure, collapse, loss of body weight (50%)
31
Cholera toxins
A and B toxin turns intestinal cells into little pumps —> rice water stools
32
Treatment for Cholera
ORT -water only -antibiotics
33
Peptic ulcer disease is caused by
Helicobacter pylori
34
Peptic ulcer disease info (5)
-flagella -exotoxin -attach to stomach region -phagocytosis -enzyme urease
35
Symptoms of Peptic ulcer disease
Ulcer, pain, benching (constant)`
36
Peptic ulcer disease toxins
Exotoxin -inhibits acid production in stomach -enzyme urease -converts proteins in stomach to urea —> ammonia —> alkaline pH
37
Diagnosis of Peptic ulcer disease
Urea breath analysis — radioactive urea Bacterial culture - 95% of cases
38
Colitis is caused by
Clostridium difficile
39
Colitis is spread by
Endospore Can occur with continued use of antibiotics —> stop all antibiotics —> reassess and start with new kind
40
Colitis symptoms
Life threatening diarrhea and abdominal pain
41
Colitis toxins
A and B exotoxin causing pseudomembranous colitis -membrane of colon starts to fall off
42
Info and treatment on colitis
-kills all normal organisms in stomach and intestines -ORT and metronidazole
43
ETEC or entero-toxigenic (symptoms and info)
-travellers diarrhea -attaches to small intestine
44
EAEC or entero-aggregative (symptoms and info)
Diarrhea -newer form forms in brick like arrangement, treat with ORT
45
EIEC or entero-invasive (symptoms and info)
-severe invasion dysentery -attaches to large intestine
46
EPEC or entero-pathogenic (symptoms and info)
-severe chronic diarrhea -common in newborns
47
EHEC or entero-hemorrhagic
-severe stomach problems -source is beef, RBC and kidney hemorrhages causing hemolytic uremic syndrome
48
Mumps (entery and spread)
Respiratory route and settles in salivary glands -very contagious -spread into blood and discharge through urine or fecal mater
49
Mumps incubation
2-3 weeks
50
Symptoms of mumps
-swelling of parotid glands -inability to chew or talk -mild fever -anorexia -headaches -can go into CNS/brain and cause meningitis or deafness
51
Symptoms of male/female specific for mumps
Males- enlargement and inflammation of penis Female- pelvic pain, ovaries enlarged
52
Diagnosis and treatment for mumps
-urine and fecal samples -MMR vaccine for prevention (mumps, measles, rubella)
53
Hep A: infectious form (Transmission/chronic/vaccine/facts)
-fecal oral -no -inactivated virus -causes jaundice, no deaths
54
Hep B: serum form (blood) (Transmission/chronic/vaccine/facts)
-parenteral, STI, drug use -yes -recombinant 9genetically engineered yeast), lamivudine or 3-TC -85% cases recover from a cute, 15% Dane particle doesn’t leave
55
Hep C (non-A-B) (Transmission/chronic/vaccine/facts)
Parenteral, transfusion -yes -non, ribavirin + interferon -80 to 85% causes are chronic, 15% liver disease
56
Hep D (defective) (Transmission/chronic/vaccine/facts)
-parenteral, coinfection with Hep B -yes -HBV vaccine -defective because its missing its capsule
57
Hep E (Transmission/chronic/vaccine/facts)
-fecal oral -no -HAV vaccine -high mortality rate in pregnant women
58
CMV or cutomegalovirus infections are caused by
HHSV-5 (human herpes)
59
CMV or cutomegalovirus infections are spread
Saliva, semen, vaginal secretions, congenital transfer—> babies have severe mental defects
60
CMV or cutomegalovirus infections symptoms and reoccurrence
-lymph nodes become enlarged 2-3x and called owls eyes -latent in T cells (cardiovascular system)
61
Treatment, and chronic? CMV or cutomegalovirus infections
-ganciclovir (reduces viral load) -chronic, retinitis

Microbiologyh (18 decks)

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