Antibiotic mechanisms

Question 1

Antibiotics that inhibit cell wall synthesis can be divided into

Answer 1

1. Those with a beta-lactam ring and
2. Those without a beta-lactam ring

Question 2

Beta-lactam antibiotics
1. Mechanism
2. Examples (3)

Answer 2

1. Inhibit cell wall synthesis
2. penicillin, carbapenems and cephalosporins

Question 3

carbapenems examples

Answer 3

meropenem
ertapenem

Question 4

Cephalosporins examples

Answer 4

Cefotaxime, ceftriaxone, cefuroxime

Question 5

non-beta-lactam antibiotics that inhibit cell wall synthesis

Answer 5

• vancomycin
  -teicoplanin

Question 6

antibiotics that inhibit folic acid metabolism (3)

Answer 6

• trimethoprim
• co-trimoxazole
• sulfamethoxazole (sulfonamide)

Question 7

antibiotics that inhibit protein synthesis by targeting the ribosome (5)

Answer 7

1. Macrolides- erythromycin, clarithromycin, azithromycin
2. Clindamycin
3. Tetracyclines e.g. Doxycycline
4. Gentamicin
5. Chloramphenicol

Question 8

antibiotic which covers streptococcus, listeria and enterococcus

Answer 8

Amoxicillin

Question 9

Antibiotic which covers staphylococcus, haemophilus and e.coli

Answer 9

Co-amoxiclav

Question 10

Antibiotic used to treat pseudomonas

Answer 10

Tazocin

Question 11

Antibiotic used to treat extended-spectrum beta lactams (ESBL)

Answer 11

meropenem

Question 12

Antibiotics used to treat MRSA

Answer 12

teicoplanin or vancomycin

Question 13

antibiotics used to treat atypical bacteria

Answer 13

clarithromycin or doxycycline