ATI LPN
ATI PN Custom Pharmacology Questions
Extract:
Question 1 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 2 of 5
Which effect of protein binding on drugs in the bloodstream is accurate?
Correct Answer: D
Rationale: Protein binding can cause drug accumulation by limiting its ability to cross membranes due to high molecular mass.
Question 3 of 5
Which life stage pertains to a 40-year-old patient?
Correct Answer: C
Rationale: A 40-year-old is classified as an 'Adult' per developmental stages (18-64 years).
Question 4 of 5
Which difference in pharmacokinetics does the nurse expect in the obese patient as compared with the thin patient with administration of a highly lipid-soluble drug?
Correct Answer: D
Rationale: In obese patients, lipid-soluble drugs accumulate in fat stores, slowing elimination due to increased volume of distribution and prolonged half-life.
Question 5 of 5
Which drugs cause birth defects?
Correct Answer: D
Rationale: Teratogens are known to cause birth defects.