ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
Which drug group inhibits the formation of clots?
Correct Answer: D
Rationale: Anticoagulants prevent clot formation.
Question 2 of 5
Which of the following is stated correctly using metric abbreviations and rules?
Correct Answer: A
Rationale: Ampicillin 500 mg uses correct lowercase 'mg' and no trailing zero.
Question 3 of 5
Which product is the antidote for digitalis toxicity?
Correct Answer: D
Rationale: Digoxin immune fab binds digoxin to reverse toxicity.
Question 4 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.
Question 5 of 5
Order: 1000 mL of D5½NS with 1 ampule of multiple vitamins to infuse over 8 hours Available: Macrodrip set: 15 gtt/mL Calculate the IV flow rate in gtt/min.
Correct Answer: A
Rationale: Flow rate = (1000 mL / 8 hr × 15 gtt/mL) / 60 = 31.25 gtt/min, rounded to 31 gtt/min.