ATI RN
ATI Nurs 240 Pharmacology quiz Questions
Extract:
Question 1 of 5
What is the mechanism of action used by cephalosporins in the treatment of bacterial infections?
Correct Answer: C
Rationale: Cephalosporins inhibit bacterial cell wall synthesis, weakening the cell wall and causing bacterial lysis, effective against a wide range of infections.
Question 2 of 5
Which of the following is a severe adverse reaction associated with aminoglycoside therapy?
Correct Answer: C
Rationale: Ototoxicity, causing potential hearing loss or balance issues, is a severe adverse reaction to aminoglycosides, requiring close monitoring and possible discontinuation.
Question 3 of 5
Which of the following reaction to aminoglycoside therapy does not require discontinuation of treatment?
Correct Answer: C
Rationale: Nausea is a common, less severe side effect of aminoglycosides and typically does not require stopping treatment unless severe, unlike nephrotoxicity and ototoxicity.
Question 4 of 5
What is critical concentration in relation to medication therapeutic effects?
Correct Answer: B
Rationale: Critical concentration is the minimum blood level required for a drug to produce its therapeutic effect, ensuring efficacy without toxicity.
Question 5 of 5
Which of the following best describes pharmacokinetics?
Correct Answer: D
Rationale: Pharmacokinetics studies the processes of drug absorption, distribution, metabolism, and excretion, determining how the body handles a drug.