Antibiotics Flashcards

1
Q

what do antibiotics do

A

kill bacteria

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2
Q

what are the 7 ways antibiotics can kill bacteria

A

blocks cell wall synthesis by inhibiting peptidoglycan synthesis

blocks cell wall synthesis peptidoglycan crosslinking

blocks nucelotide synthesis acting as antimetabolites

blocks protein synthesis

causes cell wall damage

prevents DNA replication

prevents RNA synthesis

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3
Q

what antibiotic blocks cell wall synthesis by inhibiting peptidoglycan cross linking

A

isoniazide
ethambutol
B lactams* such as penicillin, ampicillin, cephalosporin

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4
Q

what antibiotics blocks cell wall synthesis by inhibiting peptidoglycan synthesis

A

vancomycin

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5
Q

what antibiotics cause cell wall damage

A

bacitracin

polymyxin

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6
Q

what antibiotics block nucleotide synthesis acting as antimetabolites

A

sulfonamides

trimethoprim

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7
Q

what antibiotics prevent DNA replication

A

metronidazole
quinolones
ciprofloxacin

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8
Q

what antibiotics prevent RNA synthesis

A

rifampicin

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9
Q

what antibiotics block protein synthesis by acting on 50S ribosomal unit

A

choramphenicol

clindamycin

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10
Q

what antibiotics block protein synthesis by acting on 70S ribosomal unit

A

tetracycline
streptomycin
neomycin

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11
Q

what is used to fix gross specimens

A

formaldehyde

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12
Q

what is used for pre operation disinfectant

A

iodine

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13
Q

drug used to treat methylcillin resistant staph aureus

A

vancomycin

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14
Q

what drug was used to treat new borns eyes (ophthalamia neonatorum)

A

erythromycin

caused by gonorrhea

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15
Q

what drug is used for gram + bacteria that inhibits cell wall synthesis

A

penicillin

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16
Q

what drug is used for gram - bacteria that inhibits protein synthesis

A

streptomysin

17
Q

what drug is gram - bacteria that competes with PABA

A

sulfa

18
Q

what drug is for gram - and + bacteria that inhibits protein synthesis

A

tetracycline

19
Q

what drug turns your teeth gray or yellow brown

A

tetracycline