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GI bacteria > Upper GI...Krafts > Flashcards

Upper GI...Krafts Flashcards

1
Q

What is an infectious disease that causes tooth decay?

A

Caries

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2
Q

What is the lesion associated with caries?

A

Cavities

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3
Q

What typically causes gingivitis?

A

Actinomyces

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4
Q

What is it called when bacteria bind to salivary glycoproteins on the tooth surface using glucans to glue everything together?

A

Plaque

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5
Q

What causes tooth decay?

A

Bacteria convert sugar into acids…like lactic acid

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6
Q

What buffers the acid secreted from bacteria?

A

Saliva

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7
Q

What is the most common bacteria to attach to the teeth?

A

Strep mutans…strep sanguis will as well

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8
Q

If bacteroides or porphyromonas is the causative agent of a dental infection, what is a potential concern?

A

Bacteroides and porphyromonas are most likely to spread to other organs…like the lungs or brain

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9
Q

What is one of the main causes of periodontal disease?

A

Spirochetes…treponema denticola

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10
Q

What is thrush?

A

Oral candida infection in newborns or immunocompromised…CAN scrape off

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11
Q

What kind of fungus is candida?

A

Dimorphic..has both buds and hyphae (pseudo and real)

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12
Q

Is a culture helpful if a candida infection is expected?

A

No…candida is part of the normal oral flora

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13
Q

What bacteria causes a pseudomembrane into the trachea?

A

Corynebacterium diphtheriae

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14
Q

What is Ludwig’s angina?

A

Cellulitis involving submaxillary/sublingual space…can spread to pharynx, mediastinum

Feels like being strangled

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15
Q

What causes Ludwig’s angina?

A

Often Streptococci

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16
Q

What causes hairy leukoplakia?

A

EBV

17
Q

What gland is effected by mumps?

A

Parotid

18
Q

What causes mumps?

A

Parmyxovirus

19
Q

What disease caused by coxsackievirus causes vesicles in mouth and on extremities in young kids?

A

Hand-foot-mouth disease

20
Q

What bacteria is the linked to gastric and duodenal ulcers?

A

H. pylori…if there was one thing that could not possibly be forgotten…

21
Q

What is H. pylori?

A

Small, curved gram- rod

22
Q

What are some virulence factors of H. pylori?

A 
Flagella
Mucinase
Urease
cagA (bunch of stuff)
vacA (makes vacuoles)
23
Q

How does H. pylori lead to ulcer development?

A

Host inflammatory cells release free radicals that damage the epithelium

24
Q

How can Mucosa-Associated Lymphoid Tissue (MALT) lymphoma be treated?

A

By treating for an H. pylori infection

GI bacteria (2 decks)

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