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4th year > OS- microbiology > Flashcards

OS- microbiology Flashcards

1
Q

Name a gram positive cocci bacteria.

A

S.anginosus

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2
Q

Name a gram negative cocci bacteri.

A

Vionella

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3
Q

Name a gram positive bacilli bacteria.

A

Acintomyces israelli

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4
Q

Name a gram negative baccilli bacteria.

A

Prevotella Intermedia

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5
Q

What are aerobic bacteria conditions?

A

Bacteria lives in oxygen

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6
Q

What are capnophilic conditions for bacteira.

A

Bacteria lives in CO2

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7
Q

What are Facultative conditions?

A

Bacteria can live with our without oxygen.

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8
Q

What are anaerobic conditions?

A

Bacteria requires no oxygen.

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9
Q

Metrondiazole only works on bacteria that live under what conditions?

A

Anerobic conditions.

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10
Q

Compare the two main mechanisms for bacterial resistance?

A

Intrinsic- when the bacteria has always had resistance.

Acquired resistance- resistance genes have been acquired:

  • Altered target site
  • Enzymatic inactivation.
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11
Q

What is the last antibiotic option for treating multi-drug resistant bacteria.

A

Carbapenem antibiotics.

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12
Q

What type of infection would we use to describe a dental abscess?

A

Endogeneous infections- the bacteria originate from our own flora.

They are a mix of anaerobic and aerobic bacteria.

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13
Q

Name the bacteria involved in pericoronitis.

A

Streptococcus angiosus

Prevotella intermedia.

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14
Q

Name the bacteria involved is osteomyelitis of the jaw.

A

Prevotella intermedia.

Anerobic streptocci

Streptococcus anginosus

Staphyloccus aureus.

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15
Q

Name the bacteria involved in salivary gland infections

A

Mixed anerobes and Staph aureus

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16
Q

How do we treat a salivary gland infection?

A

Metrondiazole to cover the mixed anerobes

AND

Flucloxacillin to cover S.aureus.

17
Q

Compare sepsis and septic shock.

A

Sepsis- Life threatening organs dysfunction caused by a dysregulated host response to infection.

Septic shock- A subset of sepsis with circulatory and cellular/ metabolic dysfunction associated with a higher risk of mortality.

18
Q

What is SIRS.

A

Systemic Inflammatory Response Syndrome.

This occurs when 2 or more of the following are achieved:

Temperature <36 or >38

Pulse >90/min

Respiratory rate >20/min

WCC <4 or > 12.

19
Q

What is antimicrobial stewardship?

A

Aiming to measure and improve how antibiotics are prescribed by clinicans and used by patients. e.g. we switched amoxicillin to penicillin V for first line.

20
Q

Name the bacteria involved in a periodontal abscess.

A

Anerobic streptococci

Prevotella intermedia.

4th year (51 decks)

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