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NAPLEX GURU
Rating: 5.0 out of 5(20 ratings)
902 students

NAPLEX GURU

NAPLEX Calculation Review
Created byOliver Okoye
Last updated 5/2025
English
English [Auto],

What you'll learn

  • The new North American Pharmacist Licensure Examination (NAPLEX) explained
  • Be able to perform North American Pharmacist Licensure Examination (NAPLEX) calculations with ease
  • Be able to fully understand Biostatics and its interpretations
  • Be able to understand pharmacokinetics

Explore related topics

Course content

2 sections • 14 lectures • 9h 46m total length

  • Introduction16:25

    As of May 1st, 2025, the North American Pharmacist Licensure Examination (NAPLEX) has changed its testing format. I have included the new testing format for you.

  • Naplex Calculations 127:50

    Naplex Calculations

  • Naplex Calculations 227:50

    Master Naplex calculations through dimensional analysis, proportions, and dosage problems, including compounding basics and infusion rate scenarios, with practical problem-solving strategies.

  • Naplex Calculations 336:41

    Master Naplex calculations on percentage and ratio, normal saline conversions, dilutions by C1V1=C2V2, specific gravity, and unit conversions for grams, milligrams, and percent solutions.

  • Naplex Calculations 423:55

    Master buffer systems and acid-base concepts, including pH, pKa, and Henderson-Hasselbalch, to predict drug ionization and membrane crossing. Practice problems cover citrate pKa calculations and buffer salt-acid balances.

  • Naplex Calculations 532:27

    Master Naplex calculations on ionization of weak acids and bases using pKa and pH, practice Naplex-like questions, and apply aggregation, osmolarity, isotonicity, and milliequivalents concepts.

  • Naplex Calculations 61:40:08

    Explore Naplex calculations and biostatistics through aggregation techniques, osmolarity, e values, isotonicity, creatinine clearance, parenteral nutrition, and weight-based dosing strategies.

  • Naplex: Calculations 755:55

    Master naplex calculations, including milliequivalents, millimoles, valency, and molar weight, through step-by-step problem solving. Practice parenteral nutrition calculations and protein calorie concepts using real examples.

  • Naplex: Pharmacokinetics 11:18:46
  • Naplex: Pharmacokinetics 125:44

    Explore predicting drug concentrations with pharmacokinetic equations, derive k and half-life, and apply loading doses for digoxin, gentamicin, and vancomycin to reach steady state.

  • Naplex: Biostatistics 11:36:39

    Master biostatistics basics for pharmacy: interpret central tendency measures (mean, median, mode) and distributions, p values, alpha, and risks using relative and absolute risk, NNT/NNH, and odds or hazard ratios.

  • Naplex: Biostatistics 243:00

    The lecture defines parameter versus statistics, independent and dependent variables, and correlation versus causality. It covers sensitivity and specificity, predictive metrics, calculation examples, and study designs from case-control to meta-analysis.

  • Pharmacoeconomics21:02

    Explore pharmacoeconomics as a framework to identify direct, indirect, and intangible costs and outcomes—economic, clinical, and humanistic—and learn methods like cost minimization, cost effectiveness, cost utility, and cost benefit analyses.

Requirements

  • You should be in pharmacy school or have graduated and ready to take the North American Pharmacist Licensure Examination NAPLEX

Description

The National Association of Boards of Pharmacy (NABP) recently updated its North American Pharmacist Licensure Examination (NAPLEX) content. Calculations and biostatistics were added to Foundation Knowledge for Pharmacy practice. Whether you work in retail, a hospital, pharmaceuticals, long-term care, or nuclear pharmacy, these topics are very important in pharmacy. 


A NAPLEX calculations course focuses on developing and reinforcing mathematical skills essential for pharmacy practice and success on the NAPLEX exam. It covers various concepts, including dosage calculations, drug concentrations, conversions, Biostatistics, pharmacokinetics, and patient-specific parameters. The course aims to equip students to solve quantitative problems encountered in pharmacy practice accurately and efficiently.


Calculations are one of the important parameters when taking the Naplex Exam. For instance, calculations like rate of administrations, dose conversions, ratio strengths, osmolarity, osmolality, isotonicity, nutritional needs, pH and pKa, Alligation, Creatinine Clearance, pharmacokinetics, and many others are important.


For pharmacokinetics, you will learn clearance, Half-life, Bioavailability, Predicting Drug Concentration,  and Loading Dose.


For Biostatistics, we will learn Confidence Intervals, Statistical Significance or Nonsignificance, the Null Hypothesis, the Alternative Hypothesis, Type 1 error, Type 2 error, Relative Risk, Absolute Risk, and Odds Ratio / Hazard Ratio. 

You will also learn different study types, such as cohort studies, randomized controlled trials, and meta-analysis. 

Who this course is for:

  • Pharmacy students / graduates
  • Those who want to pass NAPLEX

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