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67 Cards in this Set

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Site of inhibition:
Cell wall synthesis-bactericidal
(2)
beta-lactams and glycopeptides
Site of inhibition:
Protein synthesis-bacteriostatic (except for 1)
(7)
aminoglycosides (bactericidal)
tetracyclines
macrolides
lincosamide
streptogramins
oxazolidinone
lipopeptide
Site of inhibition:
Nucleic acid synthesis-bactericidal
(2)
fluoroquinolones and lipopetide
Site of inhibition:
Metabolic inhibitors-bactericidal
(1)
sulfonamides
cell wall synthesis inhibitors (2) have what type of action?
bactericidal
beta-lactams and glycopeptides
protein synthesis inhibition (6 and 1) have what type (s) of action?
bacteriostatic and aminoglycosides are bactericidal
nucleic acid synthesis inhibitors (2) have what type of action?
bactericidal
metabolic inhibitors (1) have what type of action?
bactericidal
name the 6 bacteriostatic drug classes
1. tetracyclines
2. macrolides
3. lincosamide
4. streptogramins
5. oxazolidinone
6. lipopeptide
4 types of beta lactams (cell wall synthesis inhibitors with bactericidal action)
1. penicillins
2. cephalosporins
3. carbapenems
4. monobactams
penicillin, cephalosporins, carbepenems and monobactams are all bactericidal agents classified as ________ and inhibit ______________
beta lacatms, cell wall synthesis inhibitors
what type of agent are the following:
penicillin, cephalosporins, carbapenems, monobactams
bactericidal beta lactams
site of action for the 4 beta lactams?
penicillin binding proteins (PBPs)
inhibit final transpeptidation step of peptidoglycan synthesis
two classes of cell wall synthesis inhibitors?
beta lactams and glycopeptides
vancomycin and bacitracin are bactericidal agents in what drug class
glycopeptides
vancomycin and bacitracin are glycopeptides that inhibit _____________ and are what type of agents
inhibit cell wall synthesis and are bactericidal
the 2 glycopeptides (cell wall synthesis inhibitors)
vancomycin and bacitracin
site of action for the 2 glycopeptides?
**what stage of synthesis do they inhibit?
inhibits second stage of cell wall synthesis
vancomycin and bacitracin
Site of action:
PBP's-inhibit the final transpeptidation step of peptidoglycan synthesis
beta lactams:
penicillins, carbapenems, cephalosporins, monobactams
Site of action:
Inhibit the second stage of cell wall synthesis by binding to D-alanyl D-alanine portion
glycopeptides:
vancomycin and bacitracin
Gentamycin, Tobramycin and Amikacin are all what type of protein synthesis inhibitors?
aminoglycosides
Gent, tobra and amikacin have what type of action?
bactericidal-aminoglycosides
name the 3 aminoglycosides (protein synthesis inhibitors)
gent, tobra, amikacin
What is the main type of action that protein synthesis inhibitors exhibit, except for one?
bacteriostatic
Site of action:
30S ribosome-stop initiation of translation leading to misreading mRNA
aminoglycosides:
gent, tobra, amikacin
What is the site of action of aminoglycosides (protein synthesis inhibitors)?
30S ribosome-stop initiation of translation
name the three tetracycline protein synthesis inhibitors
doxycycline, tetracycline, tigecycline
What type of action does doxy/tetra/tigecycline have?
bacteriostatic-protein synthesis inhibitors
Site of action:
30S ribosome-blocks tRNA attachment to ribosome causing no chain elongation
tetracycline protein synthesis inhibitors:
tetra/doxy/tigecycline
tetra/doxy/tigecycline protein synthesis inhibitors have what site of action?
30S ribosome-block tRNA attachment to ribosome
tetracycline-bacteriostatic
Name the three macrolides (protein synthesis inhibitors)
eryth/clari/azithromycin
Eryth/clari/azithromycin are what type of agents and inhibit what?
bacteriostatic and inhibit protein synthesis
macrolides
Site of action:
50S ribosome-ribosomal initiation complex
macrolides: eryth/clari/azithromycin
protein synthesis inhibitors
Macrolides (3) have what site of action?
50S ribosome-ribosomal initiation complex
Lincosamide drug (protein synthesis inhibitor)
clindamycin
What activity does clindamycin have and what does it inhibit
bacteriostatic and inhibits protein synthesis
lincosamide
Site of action: similar to macrolides
50S ribosome-ribosomal initiation complex
lincosamide-clindamycin, protein synthesis inhibitor
Site of action of lincosamides (clindamycin)
50S ribosome
Name the two streptogramins (protein synthesis inhibitors)
quinupristin and dalfopristin
quinupristin/dalfopristin have what type of activity and inhibit what?
bacteriostatic and inhibit protein synthesis
Site of action:
50S ribosome-each distant step in synthesis
quinupristin/dalfopristin-streptogramins
protein synthesis inhibitors
Quinupristin/Dalfopristin (streptogramins) site of action?
50S ribosome
What two drug classes (and drugs) have a site of action at the 30S ribosome and are protein synthesis inhibitors?
aminoglycosides (gent,tobra,amikacin) and tetracyclines (doxy, tetra, tigecycline)
Name the two oxazolidinone protein synthesis inhibitors
linezolid and chloramphenicol
linezolid and chloramphenicol have what type of action and inhibit what?
bacteriostatic and inhibit protein synthesis
Site of action:
50S ribosome-initiation of protein synthesis
quinupristin/dalfopristin
streptogramins-protein synthesis inhibitors
Site of action:
50S ribosome-peptidyl transferase->prevent peptide bond formation
linezolid and chloramphenicol
site of action for linezolid and chloramphenicol (oxazolidinones)
50S ribosome-peptidyl transferase preventing peptide bond formation
Lipopeptide protein synthesis inhibitor
*also nucleic acid synthesis inhibitor
daptomycin
Daptomycin (lipopeptide) has was type of action and inhibits what (2)?
bacteriostatic, inhibiting protein synthesis and bactericidal, inhibiting nucleic acid synthesis
Site of action:
rapid cell membrane depolarization
daptomycin (lipopeptide)
inhibitor of protein synthesis (static) and nucleic acid synthesis (cidal)
Site of action of daptomycin (lipopeptide)
rapid cell membrane depolarization
Two classes of nucleic acid synthesis inhibitors
fluoroquinolones and lipopeptides
Cipro/moxi/levofloxacin, metronidazole and rifampin are all
fluoroquinolones-nucleic acid synthesis inhibitors
Fluoroquinolones and Lipopeptide nucleic acid synthesis inhibitors have what type of action
bactericidal
Site of action:
DNA gyrase and topoisomerase II/IV
cipro/moxi/levofloxacin fluoroquinolones
nucleic acid synthesis inhibitors
cipro/moxi/levofloxacin fluoroquinolones have what site of action
DNA gyrase (G-) and topoisomerase II/IV (G+)
Site of action:
DNA damage via ferredoxin
metronidazole fluoroquinolone
nucleic acid synthesis inhibitor
Site of action of metronidazole fluoroquinolone?
DNA damage via ferredoxin
Site of action:
RNA polymerase-inhibiting RNA synthesis
rifampin fluoroquinolone
nucleic acid synthesis inhibitor
Class of metabolic inhibitors
sulfonamides
Trimethoprim (TMP) sulfonamide has what type of action and inhibits what
bactericidal and inhibits metabolism
Site of action:
dihydrofolic acid reductase
TMP
TMP sulfonamide site of action
dihydrofolic acid reductase
metabolic inhibitor
Sulfamethoxazole (SMX) sulfonamide has what type of action and inhibits what
bactericidal and inhibits metabolism
Site of action:
dihydropteroate synthase
SMX sulfonamide
metabolic inhibitor
Site of action of SMX sulfonamide
metabolic inhibitor
dihydropteroate synthase