ATI LPN
ATI PN Custom Pharmacology Questions
Extract:
Question 1 of 5
Which range of the normal adult dose, with the amount of medication increasing over time, is used when initiating drug therapy in elderly adults?
Correct Answer: D
Rationale: One-third to one-half balances efficacy and safety in elderly patients.
Question 2 of 5
A nurse is preparing to administer aspirin 650 mg PO. Available is aspirin 325 mg tablets. How many tablets should the nurse administer? (Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) Tablets.
Correct Answer: D
Rationale: The correct answer is 2 tablets.
To calculate: 650 mg ÷ 325 mg/tablet = 2 tablets.
Question 3 of 5
A nurse is preparing to administer amoxicillin 350 mg PO. Available is amoxicillin 250 mg/5 mL. How many mL should the nurse administer? (Round to the nearest whole number.)
Correct Answer: A
Rationale:
Step 1: 250 mg ÷ 5 mL = 50 mg/mL.
Step 2: 350 mg ÷ 50 mg/mL = 7 mL.
Question 4 of 5
Which blood level is assessed to determine the amount of circulating medication in a patient?
Correct Answer: C
Rationale: Peak levels indicate the highest concentration of circulating medication.
Question 5 of 5
A nurse is preparing to administer cefazolin 1g intermittent IV bolus in 0.9% sodium chloride 250 mL over 30 min. The drop factor on the manual IV tubing is 10 gtt/mL. The nurse should set the manual IV flow rate to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale: Flow Rate = (250 mL ÷ 30 min) × 10 gtt/mL = 83.33, rounded to 83 gtt/min.