ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
A nurse is assisting in preparing an in-service program about preventing medication errors when transcribing a prescription. The nurse is using a dosage example of two tenths of a milligram. Which of the following transcription examples should the nurse use?
Correct Answer: A
Rationale: 0.2 mg uses a leading zero, avoiding errors per ISMP guidelines.
Question 2 of 5
What factors affect physiological response to drug use?
Correct Answer: A
Rationale: Age, weight, and sex directly influence drug absorption, metabolism, and excretion.
Question 3 of 5
Calculate the following dosage using ratio and proportions method. Round answers to the nearest tenth. Order: Tegretol 200 mg p.o.t.i.d. Available
Correct Answer: B
Rationale: Assuming 100 mg tablets (implied), 200 mg / 100 mg/tab = 2 tablets.
Question 4 of 5
Which factors may affect drug absorption? (SELECT ALL THAT APPLY)
Correct Answer: A,B,C,E
Rationale: A: Affects absorption speed. B: Enhances permeability. C: Impacts solubility. E: Alters absorption rate. D relates to inhalation, not general absorption.
Question 5 of 5
Calculate the following dosage using ratio and proportions method (Round answers to the nearest tenth). Order: Digoxin 0.375mg p. o. daily. Available: Digoxin (scored tablets) labeled 0.25mg
Correct Answer: B
Rationale: Tablets = 0.375 mg / 0.25 mg/tablet = 1.5 tablets.