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100+ Free ISO 13485 LA Practice Questions

Pass your PECB ISO 13485 Lead Auditor exam on the first try — instant access, no signup required.

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MDSAP (Medical Device Single Audit Program) enables a single audit to satisfy regulatory requirements for which group of countries?

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2026 Statistics

Key Facts: ISO 13485 LA Exam

70%

Passing Score

PECB

3 hours

Exam Duration

Open-book format

100

Free Practice Questions

OpenExamPrep

$500

Exam Fee

PECB ExamShield

3 years

Certification Valid

PECB

5 days

Training Course

PECB-approved

PECB ISO 13485 Lead Auditor certifies you to plan and lead third-party MDQMS audits against ISO 13485:2016. The 3-hour open-book exam requires 70% to pass and costs about $500 via PECB ExamShield online proctoring. It tests seven competency domains: MDQMS fundamentals, ISO 13485:2016 requirements, ISO 19011 audit principles, audit preparation, audit conduct, audit closing, and audit programme management. Core areas include design history file audit, ISO 14971 risk management, process validation, sterilization, CAPA and vigilance reporting, traceability and UDI, supplier audits, MDSAP, and EU MDR/FDA regulatory interfaces. Recommended preparation includes a 5-day PECB-approved training course plus 60-90 hours of self-study.

Sample ISO 13485 LA Practice Questions

Try these sample questions to test your ISO 13485 LA exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which ISO standard provides the requirements for a Medical Devices Quality Management System (MDQMS) that ISO 13485 Lead Auditors must audit against?
A.ISO 9001:2015 Quality Management Systems
B.ISO 13485:2016 Medical Devices — Quality Management Systems
C.ISO 14971:2019 Medical Devices — Risk Management
D.ISO/IEC 17021-1:2015 Conformity Assessment
Explanation: ISO 13485:2016 is the international standard specifying requirements for a Quality Management System specific to the medical devices industry. While ISO 9001 provides general QMS requirements, ISO 13485 is the certifiable standard for MDQMS that auditors evaluate organizations against. ISO 14971 addresses risk management and ISO/IEC 17021-1 governs certification body requirements.
2ISO 13485:2016 Clause 4.1 requires the organization to document the MDQMS scope. Which statement best describes how exclusions from ISO 13485 requirements are handled?
A.Exclusions are not permitted under any circumstances in ISO 13485
B.Any clause may be excluded provided justification is documented in the quality manual
C.Exclusions are permitted only for clauses in Section 7 where requirements do not apply due to the nature of the organization's activities, and such exclusions must be stated in the quality manual
D.Exclusions require prior written approval from the certification body before audit
Explanation: ISO 13485:2016 Clause 4.2.2 requires the quality manual to state the scope of the MDQMS including justification for any exclusions. Exclusions are limited to requirements in Clause 7 (Product realization) that genuinely do not apply based on the organization's activities or the nature of medical devices produced. Clause 1.2 confirms this limitation explicitly.
3During an ISO 13485 audit, you find that the organization's management review records show reviews conducted once every 18 months. What is the most appropriate audit finding?
A.Observation — management review frequency is not specified in ISO 13485
B.Minor nonconformity — ISO 13485 requires reviews at planned intervals but the organization has not defined its own schedule
C.Major nonconformity — ISO 13485 Clause 5.6.1 requires management reviews at planned intervals; 18 months without an interval defined constitutes a systemic failure
D.No finding — the standard does not prescribe a minimum frequency
Explanation: ISO 13485:2016 Clause 5.6.1 requires top management to review the MDQMS 'at planned intervals.' If the organization has not defined a planned interval and reviews occur irregularly at 18-month gaps, this represents a systemic failure of the management review process, warranting a major nonconformity. A major NC is raised when the MDQMS is not implemented or not maintained effectively.
4A PECB ISO 13485 Lead Auditor is planning a Stage 1 audit for an organization manufacturing Class II medical devices. What is the PRIMARY purpose of the Stage 1 audit?
A.To verify all product conformity records and release decisions
B.To review the organization's documented MDQMS and assess readiness for the Stage 2 audit
C.To issue the ISO 13485 certificate if documentation is satisfactory
D.To conduct full process sampling and raise all nonconformities
Explanation: Stage 1 (document review/readiness review) per ISO/IEC 17021-1 Clause 9.3.1.2 is designed to review the organization's documented MDQMS — including the quality manual, key procedures, and understanding of requirements — and to determine readiness for Stage 2. Stage 1 identifies significant gaps that need addressing before Stage 2 and establishes the Stage 2 audit plan.
5ISO 13485:2016 Clause 7.5.9 requires traceability records for implantable medical devices. What is the minimum retention period for these records per the standard?
A.2 years from the date of manufacture
B.5 years from the date of manufacture
C.The lifetime of the medical device as defined by the organization, or as specified by applicable regulatory requirements — whichever is longer
D.10 years from the date of product release
Explanation: ISO 13485:2016 Clause 4.2.5 requires records to be retained for at least the lifetime of the medical device as defined by the organization, but not less than 2 years from the date of product release, or as required by applicable regulatory requirements. For implantable devices, regulatory requirements (e.g., EU MDR Article 10, FDA 21 CFR 820) often mandate longer periods, which must be respected.
6Which of the following best describes the primary difference between ISO 13485:2016 and ISO 9001:2015 regarding risk management?
A.ISO 13485 requires risk-based thinking only at the strategic level, while ISO 9001 embeds it throughout all processes
B.ISO 9001 mandates a formal risk management plan referenced to ISO 14971, while ISO 13485 uses informal risk assessment
C.ISO 13485 requires risk management throughout the product realization cycle referencing ISO 14971, whereas ISO 9001 uses risk-based thinking as a general concept without mandating ISO 14971
D.There is no difference — both standards require identical risk management documentation
Explanation: ISO 13485:2016 requires documented risk management across the product lifecycle — particularly in design and development (Clause 7.3), production (Clause 7.5), and post-market (Clause 8.2) — referencing ISO 14971 as the recognized risk management standard for medical devices. ISO 9001:2015 introduced risk-based thinking (Clause 6.1) as a conceptual approach without mandating a specific risk management methodology or standard like ISO 14971.
7During an ISO 13485 Lead Auditor exam, you are presented with a scenario: an organization's design history file (DHF) for a new surgical instrument is missing the design verification records. Which clause of ISO 13485:2016 does this directly violate?
A.Clause 7.3.5 — Design and development verification
B.Clause 7.3.7 — Control of design and development changes
C.Clause 8.2.1 — Feedback
D.Clause 5.4.1 — Quality objectives
Explanation: ISO 13485:2016 Clause 7.3.5 requires design and development verification to be performed, documented, and recorded to ensure outputs meet input requirements. The Design History File (DHF) must contain verification records confirming each design output meets the design inputs. Missing verification records directly violates Clause 7.3.5 and would constitute a major nonconformity given the patient safety implications.
8According to ISO 19011:2018 Clause 4, which of the following is NOT one of the seven principles of auditing?
A.Integrity
B.Fair presentation
C.Zero defect reporting
D.Confidentiality
Explanation: ISO 19011:2018 Clause 4 defines seven auditing principles: integrity, fair presentation, due professional care, confidentiality, independence, evidence-based approach, and risk-based approach. 'Zero defect reporting' is not one of these principles. Auditors must report findings objectively — including positive findings — and cannot withhold or modify findings to achieve a zero-defect outcome.
9An ISO 13485 Lead Auditor is sampling supplier qualification records. Using attribute sampling, the auditor inspects 10 supplier files from a population of 80 and finds 2 with missing regulatory status verification. What should the auditor conclude?
A.The 2 defective files are isolated incidents; no finding is needed because the overall pass rate is 80%
B.The auditor should expand the sample to 80 files before drawing any conclusion
C.A 20% defect rate in the sample suggests a systemic weakness in supplier qualification; the auditor should raise a finding and assess root cause
D.Only the 2 files with defects need corrective action; no broader process finding is warranted
Explanation: When sampling reveals a significant defect rate (20% here), ISO 19011:2018 guidance indicates the auditor should treat this as a signal of a systemic issue rather than isolated incidents. A 20% nonconformance rate in supplier qualification records suggests the process for verifying supplier regulatory status is not consistently applied. The auditor should raise a finding citing ISO 13485 Clause 7.4 (Purchasing) and note the sample evidence, allowing the organization to investigate root cause.
10ISO 13485:2016 Clause 7.5.6 requires validation of processes for production and service provision where the resulting output cannot be fully verified by subsequent monitoring. Which type of process MOST commonly requires validation in a medical device manufacturer?
A.Incoming inspection of purchased components
B.Sterilization processes such as ethylene oxide or gamma irradiation
C.Management review meetings
D.Customer complaint logging
Explanation: Sterilization processes (EtO, gamma irradiation, electron beam, moist heat) are classic special processes under ISO 13485 Clause 7.5.6 because sterility cannot be 100% verified by subsequent inspection without destroying the product. Process validation must establish that the process consistently achieves sterility assurance level (SAL) requirements. Referenced standards include ISO 11135, ISO 11137, and ISO 17665 depending on the sterilization method.

About the ISO 13485 LA Exam

PECB ISO 13485 Lead Auditor certifies professionals to plan and lead first-, second-, and third-party audits of Medical Devices Quality Management Systems (MDQMS) against ISO 13485:2016. The program integrates ISO 13485:2016 requirements (design controls, risk management, process validation, traceability, CAPA, vigilance reporting) with ISO 19011:2018 audit methodology and ISO/IEC 17021-1 certification body rules. Lead Auditors plan audit programmes, manage audit teams, gather objective evidence in regulated medical device environments, classify nonconformities, prepare audit reports, and verify corrective actions — with full awareness of regulatory interfaces including EU MDR, FDA 21 CFR 820/QMSR, and MDSAP.

Questions

12 scored questions

Time Limit

180 minutes

Passing Score

70%

Exam Fee

$500 (PECB / ExamShield)

ISO 13485 LA Exam Content Outline

~10%

MDQMS Fundamentals and Regulatory Context

ISO 13485:2016 scope, relationship to ISO 9001, device classifications, EU MDR/FDA/MDSAP overview

~20%

ISO 13485:2016 Requirements (Clauses 4-8)

Quality manual, document control, management responsibility, resources, product realization, measurement and improvement

~20%

Fundamental Audit Concepts (ISO 19011:2018)

Seven audit principles, programme management, auditor competence, ethics, confidentiality, impartiality

~25%

Preparing and Conducting an ISO 13485 Audit

Stage 1/Stage 2, design controls audit, risk management audit (ISO 14971), process validation, sterilization audit, evidence sampling

~15%

Audit Findings, Reporting, and Follow-up

NC classification, NC statement writing, audit report, closing meeting, CAPA follow-up, certification decision

~10%

Managing an ISO 13485 Audit Programme

Programme objectives, resources, surveillance, recertification, scope extension, CB notification requirements

How to Pass the ISO 13485 LA Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 12 questions
  • Time limit: 180 minutes
  • Exam fee: $500

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

ISO 13485 LA Study Tips from Top Performers

1Memorize the key ISO 13485 vs ISO 9001 differences: quality manual retained (Clause 4.2.2), preventive action retained (Clause 8.5.3), Management Representative required (Clause 5.5.2), risk management integrated throughout product realization — these differences drive many exam scenarios
2Study ISO 14971:2019 deeply — hazard identification, risk estimation, risk controls, residual risk evaluation; Lead Auditor exam scenarios frequently require you to evaluate whether a risk management file is complete
3Practice classifying findings as major NC, minor NC, observation, or OFI using the criteria: Does this threaten the entire system or patient safety? → major NC; isolated gap, no system threat → minor NC
4Master the audit cycle: Stage 1 (readiness review) → Stage 2 (certification) → annual surveillance → recertification at 3 years — and understand the certification body's role at each stage
5Understand MDSAP fundamentals: 5 member countries (Australia, Brazil, Canada, Japan, USA), graded NC system (Grade 1-5), and single audit concept — frequently tested in regulatory interface questions
6Use our AI tutor to walk through design controls audit scenarios: DHF completeness checks, Clause 7.3.5 verification vs Clause 7.3.6 validation distinctions, and risk management file evaluations

Frequently Asked Questions

What is the PECB ISO 13485 Lead Auditor exam?

The PECB ISO 13485 Lead Auditor exam certifies professionals to plan and lead first-, second-, and third-party audits of Medical Devices Quality Management Systems against ISO 13485:2016. The exam is a 3-hour open-book scenario-based examination requiring 70% to pass. It covers seven competency domains spanning ISO 13485:2016 requirements, ISO 19011:2018 audit methodology, ISO/IEC 17021-1 certification body rules, and regulatory interfaces including EU MDR, FDA, and MDSAP.

How hard is the ISO 13485 Lead Auditor exam?

The exam is rated intermediate-to-advanced. Most candidates pass after completing the 5-day PECB-approved training course and 60-90 hours of self-study. The most challenging scenarios involve classifying nonconformities as major versus minor in medical device contexts, auditing design history files and risk management files per ISO 14971, and applying ISO 19011 sampling principles to regulated medical device audits. Industry pass rates for trained candidates are estimated at 70-80%.

What jobs can I get with the ISO 13485 Lead Auditor certification?

Common roles include: Third-Party Medical Device Auditor at notified bodies or certification bodies (BSI, SGS, DNV, TUV) ($65-100K), Quality System Manager in medical device manufacturing ($80-120K), Regulatory Affairs and Quality Consultant ($85-140K), Supplier Quality Auditor ($70-100K), and MDSAP Auditing Organization (AO) Lead Auditor. The credential is highly valued by medical device manufacturers seeking MDR compliance and FDA QMSR readiness.

Is ISO 13485 Lead Auditor certification worth it in 2026?

Yes — ISO 13485 is mandatory or strongly recommended for medical device market access in over 100 countries including EU, Canada, Brazil, Australia, and Japan. FDA's 2024 Quality Management System Regulation (QMSR) formally incorporated ISO 13485:2016 by reference, making the credential directly relevant for US-regulated device manufacturers. Demand for qualified ISO 13485 Lead Auditors is growing with EU MDR/IVDR implementation and MDSAP expansion.

What is the difference between the ISO 13485 Lead Auditor and Lead Implementer certifications?

ISO 13485 Lead Auditor certifies you to evaluate and audit MDQMS implementations for conformance — the assessor role. ISO 13485 Lead Implementer certifies you to design, build, and maintain an MDQMS from scratch — the builder role. Auditors need deep knowledge of ISO 19011, ISO/IEC 17021-1, and audit techniques; implementers focus on ISO 13485 deployment strategy, gap analysis, and implementation planning. Many experienced medical device professionals hold both credentials.