Pharm2Spectrum/PCN Flashcards

1
Q

probenecid blocks tubular secretion/prolongs activity of ?

A

PCN, cephs

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2
Q

? and ? are resistant to cephs

A

listeria, c. diff

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3
Q

used synergistically with a/g (gentamicin)?

A

PCN, cephs

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4
Q

ceph- G1?

A

G + cocci, PEcK

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5
Q

ceph- G2?

subclass?

A

G + cocci, PEcK HiM

anaerobes (B. fragilis, C. perfringens)

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6
Q

ceph- G3?

A

G + cocci, PEcK HiM &

Neisseria g., Serratia, Citrobacter, Providencia

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7
Q

ceph- G4?

A

similar to G3 but better for Enterobacter

P. aeroginosa

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8
Q

ceph- G5?

A

similar to G2 plus Enterobacter&Citrobacter

MRSA, VRSA, VISA, VREF (enterococcus faecalis)

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9
Q

carbapenems
most ? beta lactams
resistant to most?

A

broad

beta lactamases

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10
Q

bacitracin spectrum of activity?

A

G + cocci and bacilli

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11
Q

vancomycin?

A

G + only

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12
Q

aztreonam (monobactam)
esp?
NO?

A

G - bacilli

G + *****

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13
Q

polymixin B bacteriocidal for ?

A

gram - bacilli (no G + activity)

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14
Q

sulfonamides bacteriostatic against ?

A

G + & -

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15
Q

FQ- G2?

A

G - activity

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16
Q

FQ- G3 & 4?

A

G - AND + (b/c of iso IV)

17
Q

TCN- broadest spectrum Abx! ….

A

aerobic AND anaerobic G- and G+

18
Q

A/G ?

A

severe infix from G- bacilli

19
Q

FQ - resistance?

A

Beta lactamases

20
Q

macrolides do not ? aka can’t tx?

A

BBB, meningitis

21
Q

macrocodes are ?/? in low concentrations BUT ?/? in high !

A

bacteriostatic/P.O.

bacteriocidal/IV

22
Q

? is resistant to all macrolides

Tx with?

A

strep pneumo

telithromycin

23
Q

drug interactions (4)

A

erythro
clarithro
chloramphenicol
all of the -azoles

24
Q

amino glycosides are synergistic with all ? and ?

A

beta lactams, vancomycin

25
Q

amphotericin b w/ ? for ?

A

fluconazole, coccidiodomycosis meningitis

26
Q

Pen G activity

A

gram pos: cocci, meningococci, bacilli, anaerobes
spirochetes (DOC chlam, lymes)
little gram neg activity

27
Q

Pen V activity
more stable than ?
Tx ? infx, streptococci, ? pneumococci

A

Pen G

oropharyngeal, pcn-SENSITIVE

28
Q

extended spectrum PCNs

A

pen G & gram neg (HEMP) H flu, E coli, Morax, Proteus

29
Q

Ticercillin & piperacillin- only pcn?

otherwise same as amos

A

active against pseudomonas, klebsiella, bacteroides

30
Q

MRSA develops from resistance via?

so does ? and ?

A

modification of PBPs

pen-resistant pneumococci, enterococci

31
Q

beta lacatamase inhibitors are added to drugs to be able to treat ?

A

penicillinase producing organisms

32
Q

food decreases absorption in all PCN except?

A

amox

33
Q

Weil’s Dz (?) and Actinomycosis are tx by?

A

(leptospira) Pen G

34
Q

? also treat salmonella, shigella, campylobacter

A

ampicillin (gastroenteritis)

35
Q

Amox good for ? but bad for ? bc 90% gets absorbed

Ampicillin 1st line for ? and good for ? b/c 50% gets absorbed

A

H pylori, GI tract infxn

Listeria meningitis (G+ meningitis!), Gastroenteritis

36
Q

make beta lactamase (2)

A

staphylococcus

enterobacter

37
Q

make penicillinase (6)
steph klub makes HEMP!
(formerly

A
staph
kleb
haemophilus
e coli
moraxella
pasteurella