ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
A patient is experiencing status epileptics. The nurse anticipates immediate administration of which drug?
Correct Answer: A
Rationale: Diazepam acts rapidly to stop seizures in status epilepticus.
Question 2 of 5
A nurse is preparing to administer phenobarbital 6 mg/kg/day PO divided in equal doses every 12 hr to a client who weighs 44 lbs. Available is phenobarbital elixir 20 mg/5ml. The nurse should administer how many mL per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use trailing zeros.
Correct Answer: B
Rationale: Weight = 44 lb × 0.453592 = 19.96 kg. Daily dose = 6 mg/kg/day × 19.96 kg = 119.76 mg. Per dose = 119.76 / 2 = 59.88 mg. Volume = 59.88 × (5 mL / 20 mg) = 14.97 mL, rounded to 15 mL.
Question 3 of 5
Order: diphenhydramine 25 mg PO q6h, PRN Available: diphenhydramine 12.5 mg/5 mL. How many mL would the nurse give?
Correct Answer: D
Rationale: Volume = 25 mg × (5 mL / 12.5 mg) = 10 mL.
Question 4 of 5
Which drug groups do not inhibit clot formation? (SELECT ALL THAT APPLY)
Correct Answer: B,C,D,E
Rationale: B: Antihypertensives lower blood pressure, not clotting. C: Antibiotics target bacteria, not clots. D: Antipyretics reduce fever, not clotting. E: Antiemetics prevent nausea, not clotting. A is incorrect as anticoagulants inhibit clot formation.
Question 5 of 5
Calculate the dosage using the label below. Round to the nearest tenth place. Order: Bumex (bumetanide) 1 mg IV daily Available:
Correct Answer: C
Rationale: Concentration = 0.25 mg/mL. Volume = 1 mg / 0.25 mg/mL = 4 mL.