NU 306 exam 3 drugs Questions with Detailed Verified Answers

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NU 306 exam 3 drugs Questions with
Detailed Verified Answers
Question: bactericidal drugs


Answer: antibiotics that kill bacteria




less dependence on body's defense mechanisms than bacteriostatic drugs




ex. penicillins, cephalosporins, aminoglycosides


Question:
bacteriostatic drugs


Answer: Inhibition of bacteria but effect reversible if the drug is removed,
unless the host defense mechanisms have eradicated the organism




ex. sulfonamides, erythromycin, and tetracyclines


Question:
beta lactam antibiotics

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Answer: all antibiotic agents that contain a beta-lactam ring in molecular
structures




end in "ms"




ex. penams, cephems, monobactams, and carbapenems


Question:
Beta lactam mechanism of action


Answer: Inhibits synthesis of bacterial cell wall


-binding with proteins


--produces defective cell wall, fluid comes in cells, destroys bacteria


Question:
when to use beta lactam antiobiotics


Answer: works best when bacteria are replicating


Question:
Antibiotics affecting bacterial cell wall

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Answer: Penicillins


Cephalosporins


Carbapenems


Monobactams


Question:
beta lactam antibiotics: penicillins


Answer: destroy bacteria by weakening the bacterial cell wall


Question:
beta lactam antibiotics: cephalosporins


Answer: similar to penicillins, compromised of 5 generations


Question:
beta lactam antibiotics: carbapenems


Answer: broad antimicrobial spectrum effective for serious infections


Question:
beta lactam antibiotics: monobactams