Drug Therapy With Beta-Lactam Antibacterial Agents CH 16 E3

Question 1

Beta-lactamase

Answer 1

enzyme produced by some bacteria that attacks the beta-lactam ring, rendering the drug ineffective and leading to a resistance to beta-lactam antibiotics

Question 2

Cross-allergenicity

Answer 2

allergy to a drug of another class with a similar chemical structure

Question 3

Extended-spectrum

Answer 3

bactericidal activity against a wide range of bacteria

Question 4

Superinfection

Answer 4

infection after a previous infection; typically caused by microorganisms that are resistant to the antibiotics used previously