Oral Medications Dosage Calculation Practice Questions for Nurses, Exams of Pharmacology

A series of practice questions focused on calculating oral medication dosages. Each question presents a scenario where a nurse needs to determine the correct number of tablets or milliliters to administer based on the prescribed dose and available medication strength. Detailed rationales for each answer, helping students understand the calculations involved in safe medication administration. It covers a variety of medications and dosage forms, offering comprehensive practice for nursing students. This resource is designed to enhance medication safety and accuracy in clinical practice, ensuring that healthcare professionals can confidently calculate and administer oral medications.

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2024/2025

Available from 06/03/2025

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ATI 3.1 Oral Medications Test Questions
ACCURATE AND VERIFIED FOR
GUARANTEED PASS | GUARANTEED PASS|
LATEST UPDATE|2025-2026
1. A nurse is preparing to administer quinapril 40 mg PO daily. Available is quinapril 20 mg
tablets. How many tablets should the nurse administer daily?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Rationale:
40 mg ÷ 20 mg/tablet = 2 tablets
2. A nurse is preparing to administer amlodipine 10 mg PO once per day. Available is amlodipine
2.5 mg/tablet. How many tablets should the nurse administer?
A. 2 tablets
B. 3 tablets
C. 4 tablets
D. 5 tablets
Rationale:
10 mg ÷ 2.5 mg/tablet = 4 tablets
3. A nurse is preparing to administer rifampin 0.6 g PO daily. Available is rifampin 150 mg
capsules. How many capsules should the nurse administer?
A. 2 capsules
B. 3 capsules
C. 4 capsules
D. 5 capsules
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Download Oral Medications Dosage Calculation Practice Questions for Nurses and more Exams Pharmacology in PDF only on Docsity!

ATI 3.1 Oral Medications Test Questions

ACCURATE AND VERIFIED FOR

GUARANTEED PASS | GUARANTEED PASS|

LATEST UPDATE|2025- 2026

1. A nurse is preparing to administer quinapril 40 mg PO daily. Available is quinapril 20 mg tablets. How many tablets should the nurse administer daily? A. 1 tablet B. 1.5 tablets C. 2 tablets ✅ D. 3 tablets Rationale: 40 mg ÷ 20 mg/tablet = 2 tablets 2. A nurse is preparing to administer amlodipine 10 mg PO once per day. Available is amlodipine 2.5 mg/tablet. How many tablets should the nurse administer? A. 2 tablets B. 3 tablets C. 4 tablets ✅ D. 5 tablets Rationale: 10 mg ÷ 2.5 mg/tablet = 4 tablets 3. A nurse is preparing to administer rifampin 0.6 g PO daily. Available is rifampin 150 mg capsules. How many capsules should the nurse administer? A. 2 capsules B. 3 capsules C. 4 capsules ✅ D. 5 capsules

Rationale: 0.6 g = 600 mg 600 mg ÷ 150 mg/capsule = 4 capsules

4. A nurse is preparing to administer zolpidem 10 mg PO at bedtime. Available is zolpidem 5 mg tablets. How many tablets should the nurse administer per dose? A. 1 tablet B. 2 tablets ✅ C. 3 tablets D. 4 tablets Rationale: 10 mg ÷ 5 mg/tablet = 2 tablets 5. A nurse is preparing to administer potassium chloride 15 mEq PO every 12 hr. Available is potassium chloride liquid 20 mEq/15 mL. How many mL should the nurse administer per dose? A. 10 mL B. 11 mL ✅ C. 12 mL D. 13 mL Rationale: 15 mEq × 15 mL ÷ 20 mEq = 11.25 mL ≈ 11 mL 6. A nurse is preparing to administer fluoxetine 35 mg PO daily. Available is fluoxetine solution 20 mg/5 mL. How many mL should the nurse administer daily? A. 6.5 mL B. 7.5 mL C. 8.8 mL ✅ D. 10 mL Rationale: 35 mg × 5 mL ÷ 20 mg = 8.75 mL ≈ 8.8 mL 7. A nurse is preparing to administer gabapentin 1,800 mg/day divided into three equal doses. Available is 300 mg capsules. How many capsules should the nurse administer per dose?

Rationale: 500 mg ÷ 250 mg = 2 2 × 5 mL = 10 mL 10 mL ÷ 5 mL/tsp = 2 tsp

11. A nurse is preparing to administer famotidine 20 mg PO every 12 hr. Available is famotidine 40 mg tablets. How many tablets should the nurse administer per dose? A. 0.25 tablets B. 0.5 tablets ✅ C. 1 tablet D. 2 tablets Rationale: 20 mg ÷ 40 mg/tablet = 0.5 tablet 12. A nurse is preparing to administer lamivudine 150 mg PO every 12 hr. Available is lamivudine oral solution 10 mg/mL. How many mL should the nurse administer per dose? A. 10 mL B. 12.5 mL C. 15 mL ✅ D. 20 mL Rationale: 150 mg ÷ 10 mg/mL = 15 mL 13. A nurse is preparing to administer triazolam 0.25 mg PO. Available is triazolam 0.125 mg tablets. How many tablets should the nurse administer per dose? A. 1 tablet B. 1.5 tablets C. 2 tablets ✅ D. 3 tablets Rationale: 0.25 mg ÷ 0.125 mg = 2 tablets

14. A nurse is preparing to administer acetaminophen 325 mg PO every 6 hr. Available is acetaminophen oral suspension 160 mg/5 mL. How many mL should the nurse administer per dose? A. 5 mL B. 8 mL C. 10 mL ✅ D. 12 mL Rationale: 325 mg × 5 mL ÷ 160 mg = 10.16 mL ≈ 10 mL 15. A nurse is preparing to administer ethosuximide 750 mg PO daily. Available is ethosuximide syrup 250 mg/tsp. How many mL should the nurse administer? A. 30 mL B. 40 mL C. 50 mL ✅ D. 60 mL Rationale: 750 mg ÷ 250 mg = 3 tsp 3 tsp × 5 mL = 15 mL × 3 = 15 mL (Recheck: Answer should be 15 mL, not 50 mL. Original answer was likely incorrect.) Corrected Answer: 15 mL 16. A nurse is preparing to administer magnesium gluconate 270 mg PO. Available is 54 mg/ mL. How many mL should the nurse administer? A. 20 mL B. 25 mL ✅ C. 30 mL D. 35 mL Rationale: 270 mg × 5 mL ÷ 54 mg = 25 mL 17. A nurse is preparing to administer methylprednisolone 4 mg PO daily. Available is methylprednisolone 8 mg tablets. How many tablets should the nurse administer daily?

21. A nurse is preparing to administer furosemide 60 mg PO daily. Available is furosemide 40 mg tablets. How many tablets should the nurse administer daily? A. 1 tablet B. 1.5 tablets ✅ C. 2 tablets D. 2.5 tablets Rationale: 60 mg ÷ 40 mg = 1.5 tablets 22. A nurse is preparing to administer diphenhydramine 25 mg PO. Available is diphenhydramine elixir 12.5 mg/5 mL. How many mL should the nurse administer? A. 5 mL B. 7.5 mL C. 10 mL ✅ D. 12.5 mL Rationale: 25 mg × 5 mL ÷ 12.5 mg = 10 mL 23. A nurse is preparing to administer amoxicillin/clavulanate 250 mg PO to a client. Refer to the medication label (not shown). How many mL should the nurse administer? A. 5 mL B. 7.5 mL C. 10 mL ✅ D. 15 mL Rationale: 250 mg × 5 mL ÷ 125 mg = 10 mL (assuming 250 mg/5 mL formulation) Famotidine 20 mg PO - ANSWER 0. Lamivudine 150 mg PO - ANSWER 15

Triazolam 0.25 mg PO

  • ANSWER 2 Acetaminophen 325 mg PO every 6 hours
  • ANSWER 10 Ethosuxemide 750 mg PO
  • ANSWER 15 Magnesium Gluconate 270 mg PO
  • ANSWER 25 Methylprednisolone 4 mg PO daily
  • ANSWER 0. Lithium 600 mg PO
  • ANSWER 2 Hydromorphone 4 mg PO
  • ANSWER 4 Doxepin 75 mg PO
  • ANSWER 1. Furosemide 60 mg PO
  • ANSWER 1.

Fluoxetine 35 mg PO

  • ANSWER 8. Gabapentin 1,800 mg per day
  • ANSWER 2 Trazodone 25 mg PO
  • ANSWER 0. Albuterol 4 mg PO
  • ANSWER 10 Amoxicillin 500 mg PO
  • ANSWER 2 A nurse is preparing to administer methadone 2.5 mg PO every 8 hr. Available is methadone 5 mg tablets. How many tablets should the nurse administer per dose?
  • ANSWER 0.5 tablets A nurse is preparing to administer doxycycline 100 mg PO every 12 hr. Available is doxycycline 50 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 2 tablets A nurse is preparing to administer a unit-dose medication. Which of the following information should the nurse expect to find on the medication label? (Select all that apply.) a. Administration times b. Generic name

c. Storage instructions d. Client diagnosis e. Expiration date - ANSWER b. Generic name c. Storage instructions e. Expiration date A nurse is reviewing instructions with a client about how to take a sublingual medication. Which of the following instructions should the nurse include? a. Swallow the medication whole. b. Allow the medication to dissolve completely. c. Take the medication with a glass of water. d. Chew the medication carefully. - ANSWER b. Allow the medication to dissolve completely. A nurse is preparing to administer medications. Which of the following forms of medication should the nurse instruct the client not to swallow? a. Sustained-release capsule b. Enteric-coated tablet c. Exlixir d. Troche - ANSWER d. Troche a - Sustained-release capsule should be swallowed whole and not crushed or chewed. b. Enteric-coated tablet dissolves in the intestine and should be swallowed the whole. c. Elixir is an oral medication that is suspended in fluid, such as water or alcohol

A nurse is preparing to administer zolpidem 10 mg PO at bedtime. Available is zolpidem 5 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 2 tablets A nurse is preparing to administer potassium chloride 15 mEq PO every 12 hr. Available is potassium chloride liquid 20 mEq/15 mL. How many mL should the nurse administer per dose? - ANSWER 11 mL A nurse is preparing to administer fluoxetine 35 mg PO daily. Available is fluoxetine solution 20 mg/5 mL. How many mL should the nurse administer daily? - ANSWER 8.8 mL A nurse is preparing to administer gabapentin 1,800 mg per day divided into three equal doses. The amount available is gabapentin 300 mg capsules. How many capsules should the nurse administer per dose? - ANSWER 2 capsules A nurse is preparing to administer gabapentin 1,800 mg per day divided into three equal doses. The amount available is gabapentin 300 mg capsules. How many capsules should the nurse administer per dose? - ANSWER 2 capsules A nurse is preparing to administer methadone 2.5 mg PO every 8 hr. Available is methadone 5 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 0.5 tablets A nurse is preparing to administer quinapril 40 mg PO daily. Available is quinapril 20 mg tablets. How many tablets should the nurse administer daily? - ANSWER 2 tablets A nurse is preparing to administer amlodipine 10 mg PO once per day to a client. The amount available is amlodipine 2.5 mg/tablet. How many tablets should the nurse administer? - ANSWER 4 tablets A nurse is preparing to administer doxycycline 100 mg PO every 12 hr. Available is doxycycline 50 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 2 tablets A nurse is preparing to adminsiter rifampin 0.6 g PO daily. Available is rifampin 150 mg capsules. How many capsules should the nurse administer? - ANSWER 4 tablets

A nurse is preparing to administer furosemide 60 mg PO daily. Available is furosemide 40 mg tablets. How many tablets should the nurse administer daily? - ANSWER 1.5 tablets A nurse is preparing to administer zolpidem 10 mg PO at bedtime. Available is zolpidem 5 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 2 tablets A nurse is preparing to administer trazodone 25 mg PO at bedtime. Available is trazadone 50 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 0.5 tablets A nurse is preparing to administer famotidine 20 mg PO every 12 hr. Available is famotidine 40 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 0.5 tablets A nurse is preparing to administer amoxicillin 500 mg PO every 8 hr. Available is amoxicillin oral suspension 250 mg/5 mL. How many tsp should the nurse administer per dose? - ANSWER 2 tsp A nurse is preparing to administer lamivudine 150 mg PO every 12 hr. Available is lamivudine oral solution 10 mg/mL. How many mL should the nurse administer per dose? - ANSWER 15 mL A nurse is preparing to administer triazolam 0.25 mg PO. Available is triazolam 0.125 mg tablets. How many tablets should the nurse administer per dose? - ANSWER 2 tablets A nurse is preparing to administer acetaminophen 325 mg PO every 6 hr. Available is acetaminophen oral suspension 160 mg/5 mL. How many mL should the nurse administer per dose? - ANSWER 10 mL A nurse is preparing to administer ethosuximide 750 mg PO daily. Available is ethosuximide syrup 250 mg/tsp. How many mL should the nurse administer? - ANSWER 15 mL A nurse is preparing to administer magnesium gluconate 270 mg PO. Available is magnesium gluconate liquid 54 mg/5 mL. How many mL should the nurse administer? - ANSWER 25 mL

Nurse administers Medication carts - ANSWER Store client medications in individual drawer Pharmacist fills drawer with 24 hours supply Medication cabinets - ANSWER Individual cabinets in client room Pharmacist fills with 24 hour supply Medication rooms - ANSWER Store stock meds, emergency meds, IV solutions, medication supplies Automated dispensing systems - ANSWER Access to all medications, including controlled substances Advantages of Automated Dispensing System - ANSWER Adherence to controlled substance regulations Reduction of medication errors, cost Improved accuracy of documentation Forms of solid medications - ANSWER Tablet Capsule Tim release capsule Time release tablet Enteric coated tablet Caplet Sublingual - ANSWER Given under the tongue

Buccal medication - ANSWER in the lip between cheek and gum AC - ANSWER Before meals PC - ANSWER After meals PRN - ANSWER as needed daily - ANSWER Every day STAT - ANSWER give immediately PO - ANSWER by mouth SL - ANSWER sublingually ID - ANSWER Intradermal IM - ANSWER Intramuscular IV - ANSWER intravenous top - ANSWER topical

  • p - ANSWER after
  • c - ANSWER with
  1. total dose in the unit package
  2. storage information
  3. expiration date Pharmacy Bulk system - ANSWER a gabled container holds multiple doses of medication Where can medication be stored? - ANSWER medication carts medication rooms locked medication cabinets in individual clients rooms automated dispensing systems When using medication carts, medications are supplied in? - ANSWER unit- dose packaging When having individual medication cabinets in the individuals room, all they clients medication are in the cabinet expect........ - ANSWER controlled substances Medication rooms frequently store what kind of medications? - ANSWER stock medications multi- dose emergency intravenous solutions medication supplies Automated Dispensing System - ANSWER a system of electronic checks is built into the dispensing system What kind of medications do you have access to who using the automatic dispensing System? - ANSWER all medications, including controlled substances Tablet - ANSWER a medication compressed into a disk-like shape Scored Tablet - ANSWER has a line marked into it easier to divide into two equal parts Do not split pills in an _______ setting - ANSWER inpatient

enteric-coated tablet - ANSWER a medication coated with a compound that will not dissolve until the tablet passes through the stomach and is exposed to the fluids in the small intestine prevents irritation of the stomach lining Troche - ANSWER a flat, round tablet-also called a lozenge-designed to be dissolved in the mouth and not swallowed Capsule - ANSWER a medication encased in a container made of gelatin. contains small beads with a coating that allows release over a period of time( 12-24hr) Caplet - ANSWER cross between capsule and tablet (easier to swallow Do not crush medications that are..... - ANSWER - delayed- release

  • long acting
  • enteric- coating
  • dispensed as capsules
  • irritating to mucus membranes sublingual - ANSWER medication under the tongue instructing the client to keep the medication in place until it fully dissolves Sublingual Medication are absorbed directly into the ________ - ANSWER bloodstream Buccal - ANSWER place medication between the clients cheek and gum, allowing the medication to dissolve