ATI RN
ATI Nurs 240 Pharmacology quiz Questions
Extract:
Question 1 of 5
What is the definition of selective toxicity in relation to anti-infectives?
Correct Answer: C
Rationale: Selective toxicity allows anti-infectives to target pathogens while minimizing harm to the host, a key principle for safe and effective antimicrobial therapy.
Question 2 of 5
A nurse is calculating the dose of medication for a client. The prescribed dose is 2.5 mg/kg. The client weighs 70 kg. What dosage of medication should the nurse prepare?
Correct Answer: B
Rationale:
To calculate: 2.5 mg/kg × 70 kg = 175 mg, ensuring the correct dosage is prepared for the client.
Question 3 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 4 of 5
Aminoglycosides are effective against which strain of bacteria?
Correct Answer: D
Rationale: Aminoglycosides are primarily effective against Gram-negative bacteria, targeting serious infections caused by these organisms.
Question 5 of 5
What is the definition of selective toxicity in relation to anti-infectives?
Correct Answer: C
Rationale: Selective toxicity allows anti-infectives to target pathogens while minimizing harm to the host, a key principle for safe and effective antimicrobial therapy.