ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
When administering an antianginal drug such as nitroglycerin (NTG) the nurse identifies which as the most common response.
Correct Answer: C
Rationale: Nitroglycerin causes vasodilation, leading to hypotension.
Question 2 of 5
A nurse is preparing to administer lithium 300 mg PO to a client who has bipolar disorder. Available is lithium 150 mg capsules. How many capsules should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: D
Rationale: Capsules = 300 mg / 150 mg/capsule = 2 capsules.
Question 3 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.
Question 4 of 5
A nurse is assisting with care of a cient who has a prescription for 3000 ml of intravenous huias over the nes:24 hr The nurse should set the IV pump to deliver how many mL/hr? (Round to the nearest whole number)
Correct Answer: A
Rationale: Flow rate = 3000 mL / 24 hr = 125 mL/hr.
Question 5 of 5
Order: dobutamine 5 mcg/kg/min Patient's weight: 152 lb Available: dobutamine 500 mg in 250 mL D5W What is the flow rate in ml/hr? (Round to the nearest tenths)
Correct Answer: D
Rationale: Weight = 152 lb × 0.453592 = 68.95 kg. Dose = 5 mcg/kg/min × 68.95 kg × 60 = 20,685 mcg/hr. Concentration = 500 mg / 250 mL = 2000 mcg/mL. Flow rate = 20,685 / 2000 = 10.34 mL/hr, rounded to 10.4 mL/hr.