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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
Q

Salmonellaosis is spread by

A

Food sources: beef, poultry, spinach, cantaloupe, raw eggs

26
Q

Salmonellaosis symptoms and toxin

A

Nausea and diarrhea
-endotoxin

27
Q

Salmonellaosis diagnosis and treatment

A

-isolation of bacteria, serotyping
-ORT

28
Q

Cholera is caused by

A

Vibrio cholerae

29
Q

Cholera fluid loss

A

Lose 12-20L of fluid per day
-dehydrated

30
Q

Symptoms of Cholera

A

Diarrhea, dehydration, shock, kidney failure, collapse, loss of body weight (50%)

31
Q

Cholera toxins

A

A and B toxin turns intestinal cells into little pumps —> rice water stools

32
Q

Treatment for Cholera

A

ORT
-water only
-antibiotics

33
Q

Peptic ulcer disease is caused by

A

Helicobacter pylori

34
Q

Peptic ulcer disease info (5)

A

-flagella
-exotoxin
-attach to stomach region
-phagocytosis
-enzyme urease

35
Q

Symptoms of Peptic ulcer disease

A

Ulcer, pain, benching (constant)`

36
Q

Peptic ulcer disease toxins

A

Exotoxin
-inhibits acid production in stomach
-enzyme urease
-converts proteins in stomach to urea —> ammonia —> alkaline pH

37
Q

Diagnosis of Peptic ulcer disease

A

Urea breath analysis — radioactive urea

Bacterial culture - 95% of cases

38
Q

Colitis is caused by

A

Clostridium difficile

39
Q

Colitis is spread by

A

Endospore
Can occur with continued use of antibiotics —> stop all antibiotics —> reassess and start with new kind

40
Q

Colitis symptoms

A

Life threatening diarrhea and abdominal pain

41
Q

Colitis toxins

A

A and B exotoxin causing pseudomembranous colitis
-membrane of colon starts to fall off

42
Q

Info and treatment on colitis

A

-kills all normal organisms in stomach and intestines
-ORT and metronidazole

43
Q

ETEC or entero-toxigenic (symptoms and info)

A

-travellers diarrhea
-attaches to small intestine

44
Q

EAEC or entero-aggregative (symptoms and info)

A

Diarrhea
-newer form forms in brick like arrangement, treat with ORT

45
Q

EIEC or entero-invasive (symptoms and info)

A

-severe invasion dysentery
-attaches to large intestine

46
Q

EPEC or entero-pathogenic (symptoms and info)

A

-severe chronic diarrhea
-common in newborns

47
Q

EHEC or entero-hemorrhagic

A

-severe stomach problems
-source is beef, RBC and kidney hemorrhages causing hemolytic uremic syndrome

48
Q

Mumps (entery and spread)

A

Respiratory route and settles in salivary glands
-very contagious
-spread into blood and discharge through urine or fecal mater

49
Q

Mumps incubation

A

2-3 weeks

50
Q

Symptoms of mumps

A

-swelling of parotid glands
-inability to chew or talk
-mild fever
-anorexia
-headaches
-can go into CNS/brain and cause meningitis or deafness

51
Q

Symptoms of male/female specific for mumps

A

Males- enlargement and inflammation of penis
Female- pelvic pain, ovaries enlarged

52
Q

Diagnosis and treatment for mumps

A

-urine and fecal samples
-MMR vaccine for prevention (mumps, measles, rubella)

53
Q

Hep A: infectious form
(Transmission/chronic/vaccine/facts)

A

-fecal oral
-no
-inactivated virus
-causes jaundice, no deaths

54
Q

Hep B: serum form (blood)
(Transmission/chronic/vaccine/facts)

A

-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
Q

Hep C (non-A-B)
(Transmission/chronic/vaccine/facts)

A

Parenteral, transfusion
-yes
-non, ribavirin + interferon
-80 to 85% causes are chronic, 15% liver disease

56
Q

Hep D (defective)
(Transmission/chronic/vaccine/facts)

A

-parenteral, coinfection with Hep B
-yes
-HBV vaccine
-defective because its missing its capsule

57
Q

Hep E
(Transmission/chronic/vaccine/facts)

A

-fecal oral
-no
-HAV vaccine
-high mortality rate in pregnant women

58
Q

CMV or cutomegalovirus infections are caused by

A

HHSV-5 (human herpes)

59
Q

CMV or cutomegalovirus infections are spread

A

Saliva, semen, vaginal secretions, congenital transfer—> babies have severe mental defects

60
Q

CMV or cutomegalovirus infections symptoms and reoccurrence

A

-lymph nodes become enlarged 2-3x and called owls eyes
-latent in T cells (cardiovascular system)

61
Q

Treatment, and chronic? CMV or cutomegalovirus infections

A

-ganciclovir (reduces viral load)
-chronic, retinitis

Microbiologyh (18 decks)

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