ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
A nurse is preparing to administer hydrocortisone 100 mg IM daily to a client. Available is hydrocortisone 250 mg/2 mL. How many mi should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if applies. Do not use a trailing zero.)
Correct Answer: B
Rationale: Volume = 100 mg × (2 mL / 250 mg) = 0.8 mL.
Question 2 of 5
Which method are for administering drugs by parenteral routes? (Select all that apply.)
Correct Answer: A,B,D,E
Rationale: A: Subcutaneous injects into fat tissue. B: Intramuscular injects into muscle. D: Intradermal injects into dermis. E: Intravenous injects into veins—all bypass the digestive system. C is incorrect as nasogastric is enteral, not parenteral.
Question 3 of 5
Where do enteric coated tablets typically disintegrate in the body?
Correct Answer: B
Rationale: Enteric coatings protect tablets until the duodenum's neutral pH.
Question 4 of 5
Low-density lipoproteins (LDLs) are the so-called 'bad' lipoproteins. Which statement best reflects why high levels of LDL are considered unhealthy?
Correct Answer: B
Rationale: High LDL contributes to atherosclerosis, increasing heart disease risk.
Question 5 of 5
Calculate the following dosage using ratio and proportions method (Round answers to the nearest tenth). Order: Digoxin 0.375mg p. o. daily. Available: Digoxin (scored tablets) labeled 0.25mg
Correct Answer: B
Rationale: Tablets = 0.375 mg / 0.25 mg/tablet = 1.5 tablets.