ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 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 2 of 5
A nurse caring for a client who has a new prescription for atenolol. For which of the following adverse effects should the nurse monitor the client?
Correct Answer: B
Rationale: Atenolol, a beta-blocker, commonly causes bradycardia by slowing heart rate.
Question 3 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 4 of 5
A nurse is preparing to administer dopamine 3mcg/kg/min by continuous IV infusion to a preschooler who weighs 41.8 bs. Available is dopamine 400 mg in dextrose 596 in water (D5W) 250 mL. The nurse should set the IV pump to deliver how many ml/hr? (Round to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale: Weight = 41.8 lb × 0.453592 = 18.96 kg. Dose = 3 mcg/kg/min × 18.96 kg × 60 = 3412.8 mcg/hr. Concentration = 400 mg / 250 mL = 1.6 mg/mL = 1600 mcg/mL. Flow rate = 3412.8 / 1600 = 2.13 mL/hr, rounded to 2.1 mL/hr.
Question 5 of 5
Which product is the antidote for digitalis toxicity?
Correct Answer: D
Rationale: Digoxin immune fab binds digoxin to reverse toxicity.