Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

7 Cards in this Set

  • Front
  • Back
Beta-lactam abx
Mechanism of action --> inhibitors of cell wall synthesis by interfering with final cross-linking steps during synthesis of the rigid peptidoglycan matrix
Resistance mechanisms to penicillin
1. beta lactamase
2. alteration in target PBP (penicillin binding proteins)
3. permeability barrier preventing penetration of abx to target
Natural penicillins
1. penicillin G
2. penicillin V
Antistaphylococcal penicillins
1. cloxacillin
2. dicloxacillin
3. methicillin
4. nafcillin
5. oxacillin
Extended spectrum penicillins
1. ampicillin
2. amoxicillin
3. amoxicillin + clavulanic acid (beta lactamase inhibitor)
4. ampicillin + subactam (beta lactamse inhibitor)
1. Aziocillin
2. Carbenicillin
3. Mezloxillin
4. Piperacillin
5. Ticarcillin
6. Ticarcillin + clavulonic acid
7. Piperacillin + tazobactam
Penicillin activity
- gram (+) --> DOC for GAS, viridans
- gram (-)
- anaerobes
- active against treponema pallidum