MMSC438 EXAM SCRIPT PREMIUM
QUESTIONS AND SOLUTIONS GRADED A+
●● Cell wall inhibitors
Answer: Beta lactam
Glycopeptide
●● Beta Lactam drugs
Answer: Penicillin
Cephalosporin
Carbapenem
Monobactam
●● Glycopeptide drugs
Answer: Vancomycin
Teicoplanin
●● Links amino acids (D-ala-D-ala) in peptidoglycan
Answer: Transpeptidase (PBP)
●● Links glucans (NAM & NAG) in peptidoglycan
Answer: Transglycolase (PBP)
,●● 1st generation cephalosporins
Answer: Active against gram pos
cephalexin
cephalothin
●● 2nd generation cephalosporins
Answer: Active against gram pos and SOME gram neg
Included H. influenzae, Enterobacter, and some Neisseria
cefoxitin
cefotetan
●● 3rd generation cephalosporins
Answer: Active against gram neg and can penetrate into CSF
cefotaxime
ceftriaxone
ceftazidime
●● 4th generation cephalosporins
,Answer: Active against organism with beta lactamase
cefepime
●● 5th generation cephalosporins
Answer: Active against MRSA
ceftroline
●● Carbapenems
Answer: ertapenem
imipenem
meropenem
●● Monobactam
Answer: aztreonam
●● What are glycopeptides active against
Answer: Active against gram pos ONLY (MRSA, C.difficile)
Too large to enter gram neg (outer membrane)
, ●● What do glycopeptides do to the cell wall
Answer: Inhibit peptidoglycan synthesis
Bind to terminal D-ala-D-ala (amino acids)
Blocks cross linking
●● Plasma membrane damage drugs
Answer: Polymyxin
Colistin
●● Protein Synthesis Inhibitor Drugs
Answer: Tetracycline:
tetracycline
doxycycline
Macrolide:
erythromycin
azithromycin
Aminoglycoside:
gentamicin
QUESTIONS AND SOLUTIONS GRADED A+
●● Cell wall inhibitors
Answer: Beta lactam
Glycopeptide
●● Beta Lactam drugs
Answer: Penicillin
Cephalosporin
Carbapenem
Monobactam
●● Glycopeptide drugs
Answer: Vancomycin
Teicoplanin
●● Links amino acids (D-ala-D-ala) in peptidoglycan
Answer: Transpeptidase (PBP)
●● Links glucans (NAM & NAG) in peptidoglycan
Answer: Transglycolase (PBP)
,●● 1st generation cephalosporins
Answer: Active against gram pos
cephalexin
cephalothin
●● 2nd generation cephalosporins
Answer: Active against gram pos and SOME gram neg
Included H. influenzae, Enterobacter, and some Neisseria
cefoxitin
cefotetan
●● 3rd generation cephalosporins
Answer: Active against gram neg and can penetrate into CSF
cefotaxime
ceftriaxone
ceftazidime
●● 4th generation cephalosporins
,Answer: Active against organism with beta lactamase
cefepime
●● 5th generation cephalosporins
Answer: Active against MRSA
ceftroline
●● Carbapenems
Answer: ertapenem
imipenem
meropenem
●● Monobactam
Answer: aztreonam
●● What are glycopeptides active against
Answer: Active against gram pos ONLY (MRSA, C.difficile)
Too large to enter gram neg (outer membrane)
, ●● What do glycopeptides do to the cell wall
Answer: Inhibit peptidoglycan synthesis
Bind to terminal D-ala-D-ala (amino acids)
Blocks cross linking
●● Plasma membrane damage drugs
Answer: Polymyxin
Colistin
●● Protein Synthesis Inhibitor Drugs
Answer: Tetracycline:
tetracycline
doxycycline
Macrolide:
erythromycin
azithromycin
Aminoglycoside:
gentamicin