Penicillin, Cephalosporins, and Carbapenems Flashcards
Penicillin is scientifically known as
6-aminopenicillanic acid
Mechanisms of Actions
Cell Wall Synthesis Antimetabolites DNA Replication RNA Synthesis Protein Synthesis -30S ribosome -50S ribosome
The name of the structure of penicillin
“Penicillin Home”
A broad spectrum penicillin
Ampicillin
Destroys beta-lactam rings
beta-lactamase
Outer protection of gram-positive bacteria
peptidoglycan cell wall
Outer protection of gram-negative bacteria
outer membrane, periplasmic space
Bacteria with this outer membrane are not effective to be used with penicillin
sterol-packed
True or False:
Penicillin is bacteriocidal.
TRUE. Penicillin is bacteriocidal.
A penicillin taken intravenously
Penicillin G
A penicillin taken by mouth
Penicillin V
The ability of the drug to bind to its receptor
Affinity
What causes antibacterial resistance:
Destruction of antibiotic by beta-lactamase
Failure of antibiotic to penetrate to active site
Low affinity binding of antibiotic to PBPs
Who discovered penicillin?
Alexander Fleming
The main ring of penicillins
Thiazolidine ring
Natural penicillin of Pen G
Penicillin notatum
Natural penicillin of Pen V
Penicillin fulvum
A bacteria named after methicillin
methicillin-resistant staphylococcus aureus (MRSA)
MRSA means?
methicillin-resistant staphylococcus aureus
An antibiotic taken after birth
ampicillin
An antibiotic misused for toothache
amoxicillin
Most used uridopenicillin
piperacillin