Antimicrobial Chemotherapeutic Agents Which of the following may cause resistance to penicillin? Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these Production of β-lactamases by bacteria Impermeability of cell envelope Alteration or lack of penicillin-binding proteins All of these Production of β-lactamases by bacteria ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Chemotherapeutic agents must leave unaltered the host's natural defense mechanisms All of these be able to come in contact with the parasite by penetrating the cells prevent/destroy the activity of a parasite leave unaltered the host's natural defense mechanisms All of these be able to come in contact with the parasite by penetrating the cells prevent/destroy the activity of a parasite ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Both penicillin and fluoroquinolones bind to and inactivate a bacterial protein inhibit the cross-linking of peptidoglycan must be transported into the cytoplasm in order to act are inactivated by β-lactamase bind to and inactivate a bacterial protein inhibit the cross-linking of peptidoglycan must be transported into the cytoplasm in order to act are inactivated by β-lactamase ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Novobiocin can be used against all of these gram -ve Meningococci & Gonococci Haemophilus gram +ve Staphylococci all of these gram -ve Meningococci & Gonococci Haemophilus gram +ve Staphylococci ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents Which of the following is not β-lactamase-resistant penicillin? Carbenicillin Oxacillin Nafcillin Methicillin Carbenicillin Oxacillin Nafcillin Methicillin ANSWER DOWNLOAD EXAMIANS APP
Antimicrobial Chemotherapeutic Agents When using alcohol as an antiseptic, which concentration is considered most effective? 70% 95% 25% 50% 70% 95% 25% 50% ANSWER DOWNLOAD EXAMIANS APP
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