ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
The patient is receiving nitroglycerin 55 mcg/min. Available: Nitroglycerin in 5% Dextrose Injection 25 mg per 250 mL (100 mcg/mL) What is the flow rate?
Correct Answer: D
Rationale: Dose = 55 mcg/min × 60 = 3300 mcg/hr. Flow rate = 3300 mcg/hr / 100 mcg/mL = 33 mL/hr.
Question 2 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.
Question 3 of 5
Using abbreviations and the rules of the metric system, express the following quantities correctly: Six hundredth:
Correct Answer: B
Rationale: Six hundredths = 0.06 g in metric notation.
Question 4 of 5
A nurse is preparing to administer hydrocortisone 100 mg IM daily to a client. Available is hydrocortisone 250 mg/2 mL. How many mi should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if applies. Do not use a trailing zero.)
Correct Answer: B
Rationale: Volume = 100 mg × (2 mL / 250 mg) = 0.8 mL.
Question 5 of 5
Low molecular weight heparin (LMWH) is used for what type of patient?
Correct Answer: D
Rationale: LMWH prevents clots, commonly used for DVT.