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TL;DR

Master medication dosage calculations including weight-based dosing, concentration conversions, and IV drip rates. Accurate calculations prevent medication errors and are a key exam competency.

By Valenke Exam Prep Team·Last updated 2026-06-03

Free Dosage Calculations & Abbreviations Practice Questions

Medical Assistant Certification (CMA/RMA) · Pharmacology

This module covers Dosage Calculations & Abbreviations as part of the Pharmacology section, testing your understanding of core concepts and their practical application.

ExamMedical Assistant Certification (CMA/RMA)
Pass Rate72%
Duration160 minutes
ModuleDosage Calculations & Abbreviations

Why Dosage Calculations & Abbreviations matters

Dosage Calculations & Abbreviations is one of the most tested areas because medication errors are among the most preventable causes of patient harm.

Sample Practice Questions (5)

1. The physician orders amoxicillin 500 mg po. The medication is available as 250 mg per capsule. How many capsules should the medical assistant administer?

  • 2 capsules
  • 1 capsule
  • 3 capsules
  • 0.5 capsule

2. A prescription reads: "Prednisone 10 mg PO daily × 5 days, then 5 mg PO daily × 5 days, then 2.5 mg PO daily × 5 days." This dosing pattern is called:

  • A taper
  • A loading dose
  • Titration
  • Maintenance dosing

3. A prescription reads: "Amoxicillin 500 mg po tid x 10 days." How should the medical assistant interpret this order?

  • Amoxicillin 500 mg by mouth three times a day for 10 days
  • Amoxicillin 500 mg by mouth twice a day for 10 days
  • Amoxicillin 500 mg intramuscularly three times a day for 10 days
  • Amoxicillin 500 mg by mouth every 10 hours

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4. On a prescription, the Roman numeral "viii" represents the number:

  • 8
  • 7
  • 13
  • 3

5. On a prescription label, the abbreviation "gtt" refers to:

  • Drops
  • Grams
  • Tablets
  • Guttural (throat) application

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Frequently Asked Questions

How many Dosage Calculations & Abbreviations questions are on the Medical Assistant Certification (CMA/RMA)?▼
The Pharmacology section, which includes Dosage Calculations & Abbreviations, typically represents a significant portion of the exam. Focus on understanding core concepts rather than memorizing exact question counts, as the exam uses adaptive testing.
What is the best way to study Dosage Calculations & Abbreviations?▼
Practice solving calculation problems daily rather than just reading formulas. Work through problems step-by-step, check your units, and time yourself to build speed and accuracy under exam conditions.
What topics within Dosage Calculations & Abbreviations should I focus on most?▼
Focus on the concepts that appear in our practice questions and any areas where you consistently score below 70%. The adaptive practice mode will automatically target your weak areas for efficient study.