Pharmacist Practice Test (NAPLEX)
Practice questions for the NAPLEX pharmacist licensing exam — pharmacology and drug interactions, pharmaceutical calculations and pharmacokinetics, cardiovascular and endocrine therapeutics, infectious disease, CNS and pain therapeutics, and medication safety, compounding and patient counselling. Pass to earn NAPLEX Exam Readiness SOA-NAPX.
- Advanced difficulty.Assumes years in the role or deep specialist knowledge.
- 25 scenario questions
- 25 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Pharmacist Practice Test (NAPLEX)?
The Pharmacist Practice Test (NAPLEX) is a free advanced-level, 25-minute skill test from Science of Apps. Practice questions for the NAPLEX pharmacist licensing exam — pharmacology and drug interactions, pharmaceutical calculations and pharmacokinetics, cardiovascular and endocrine therapeutics, infectious disease, CNS and pain therapeutics, and medication safety, compounding and patient counselling. Score 70% or more on its 25 questions to earn a verifiable NAPLEX Exam Readiness certificate (SOA-NAPX). Every question is based on published standards and research — including DailyMed drug labels (U.S. National Library of Medicine), NAPLEX competency statements (National Association of Boards of Pharmacy), Pharmacology for Nurses (OpenStax (Rice University)) — and each answer is explained with its source.
Built for your job title
Pharmacy student, Pharmacy graduate, Pharmacist candidate, Foreign pharmacy graduate and Pharmacy resident — and anyone who wants quick, verifiable proof of NAPLEX skills for a CV or LinkedIn.
- Pharmacy student
- Pharmacy graduate
- Pharmacist candidate
- Foreign pharmacy graduate
- Pharmacy resident
What the test covers
Five skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Pharmacology and Interactions
20%- Mechanisms
- CYP interactions
- Adverse effects
- 02
Calculations and Pharmacokinetics
20%- Dosing calculations
- Dilutions
- PK principles
- 03
Cardiovascular and Endocrine Therapeutics
20%- Hypertension and lipids
- Diabetes
- Thyroid and bone
- 04
Infectious Disease, CNS and Pain
20%- Antibiotics
- CNS drugs
- Pain and toxicology
- 05
Medication Safety, Compounding and Counselling
20%- Error prevention
- Compounding standards
- Counselling
Independent practice test. Science of Apps is not affiliated with, endorsed by or sponsored by NABP. Product and exam names are trademarks of their owners. Passing earns a Science of Apps certificate, not the official exam credential.
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- DailyMed drug labelsU.S. National Library of Medicine23 questions
- NAPLEX competency statementsNational Association of Boards of Pharmacy5 questions
- Pharmacology for NursesOpenStax (Rice University)4 questions
- ADA Accessibility StandardsUS Access Board4 questions
- IDSA practice guidelinesInfectious Diseases Society of America3 questions
- List of Error-Prone AbbreviationsISMP2 questions
- Compounding standards (USP 795, 797, 800)USP2 questions
- 2017 ACC/AHA Guideline for High Blood Pressure in AdultsACC/AHA1 question
- CPR and ECC GuidelinesAmerican Heart Association1 question
- Tall Man Letters listISMP1 question
- High-Alert Medications in Community/Ambulatory SettingsISMP1 question
- Risk Evaluation and Mitigation Strategies (REMS)U.S. FDA1 question
- MedWatch: The FDA Safety Information and Adverse Event Reporting ProgramU.S. FDA1 question
- Orange Book: Approved Drug Products with Therapeutic Equivalence EvaluationsU.S. FDA1 question
Try a sample question
A patient stable on warfarin starts metronidazole. The most likely effect is
- no change in INR at all
- rapid warfarin clearance
- a fall in INR and clot risk
- a rise in INR and bleeding risk
Show the answer
D. a rise in INR and bleeding risk — Metronidazole inhibits CYP2C9. The real test has 25 questions like this.
How the test works
25 minutes, 25 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 25-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

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Frequently asked questions
What is the Pharmacist Practice Test (NAPLEX)?
The Pharmacist Practice Test (NAPLEX) is a free advanced-level, 25-minute skill test from Science of Apps. Practice questions for the NAPLEX pharmacist licensing exam — pharmacology and drug interactions, pharmaceutical calculations and pharmacokinetics, cardiovascular and endocrine therapeutics, infectious disease, CNS and pain therapeutics, and medication safety, compounding and patient counselling. Score 70% or more on its 25 questions to earn a verifiable NAPLEX Exam Readiness certificate (SOA-NAPX). Every question is based on published standards and research — including DailyMed drug labels (U.S. National Library of Medicine), NAPLEX competency statements (National Association of Boards of Pharmacy), Pharmacology for Nurses (OpenStax (Rice University)) — and each answer is explained with its source.
How do I take the Pharmacist Practice Test (NAPLEX) for free?
Read the five skill areas on this page, then take the 25-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a NAPLEX Exam Readiness certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Pharmacist Practice Test (NAPLEX) questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: DailyMed drug labels (U.S. National Library of Medicine); NAPLEX competency statements (National Association of Boards of Pharmacy); Pharmacology for Nurses (OpenStax (Rice University)); ADA Accessibility Standards (US Access Board); IDSA practice guidelines (Infectious Diseases Society of America); List of Error-Prone Abbreviations (ISMP). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Pharmacist Practice Test (NAPLEX) cover?
Five skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Pharmacology and Interactions (Mechanisms, CYP interactions and Adverse effects); Calculations and Pharmacokinetics (Dosing calculations, Dilutions and PK principles); Cardiovascular and Endocrine Therapeutics (Hypertension and lipids, Diabetes and Thyroid and bone); Infectious Disease, CNS and Pain (Antibiotics, CNS drugs and Pain and toxicology); Medication Safety, Compounding and Counselling (Error prevention, Compounding standards and Counselling). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Pharmacist Practice Test (NAPLEX)?
Pharmacy student, Pharmacy graduate, Pharmacist candidate, Foreign pharmacy graduate and Pharmacy resident. It suits anyone who wants a quick, verifiable way to show NAPLEX skills, from students and career switchers to experienced professionals.
Can I use this for naplex practice test, naplex practice questions or naplex exam prep?
Yes. The Pharmacist Practice Test (NAPLEX) is free and covers all of these: 25 scenario questions in 25 minutes, each answer explained with the source it comes from, so it works as interview and exam practice. It isn't a full course, so use the areas you miss as your study list. Scoring 70% or more earns a verifiable certificate.
Is this the official NAPLEX exam?
No. It is an independent practice test written to the publicly available NAPLEX content outline, for checking your readiness before you book the real exam. Science of Apps is not affiliated with NABP, and passing earns a Science of Apps certificate rather than the official credential.
Can I take the Pharmacist Practice Test (NAPLEX) from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Pharmacist Practice Test (NAPLEX)?
25 questions — 5 from each of 5 skill areas — with a 25-minute limit. You need 70% (18 of 25) to pass and 90% for distinction.
How hard is the Pharmacist Practice Test (NAPLEX)?
We rate it Advanced: assumes years in the role or deep specialist knowledge. It has 25 scenario questions — 5 from each of 5 skill areas — and a 25-minute limit. You need 70% (18 of 25) to pass and 90% for distinction.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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