DOT Certification Exam Review
2025/2026: Practice Questions with
Answers & Rationale
### Section 1: Certification Fundamentals & Regulations (Q1-15)
**Q1: What is the primary purpose of the FMCSA Medical Examiner
certification?**
**A)** To provide primary care to commercial drivers
**B)** To determine if a driver meets physical qualification standards
to operate a CMV safely
**C)** To treat work-related injuries
**D)** To certify drivers for all vehicle types
**Answer: B**
,**Rationale:** The Medical Examiner's role is to determine whether a
driver meets the physical qualification standards under 49 CFR Part
391.41 to operate a CMV safely. The ME does not provide primary care
or treatment but performs focused examinations for certification
purposes .
---
**Q2: What are the differences between medical standards and
medical guidelines?**
**Answer:** Standards/regulations are law. Guidelines are best
practices .
**Rationale:** Medical standards are codified in federal regulations
(49 CFR) and are mandatory requirements that must be met for
certification. Medical guidelines represent best practices and
recommendations that guide clinical decision-making but are not legally
binding requirements .
---
**Q3: In which regulation are the driver physical qualification standards
cited?**
,**A)** 49 CFR 391.41
**B)** 49 CFR 391.43
**C)** 49 CFR 390.15
**D)** 49 CFR 383.51
**Answer: A**
**Rationale:** 49 CFR 391.41 contains the physical qualification
standards for commercial motor vehicle drivers. 49 CFR 391.43 covers
medical examiner responsibilities .
---
**Q4: In which regulation are the medical examiner's responsibilities
cited?**
**A)** 49 CFR 391.41
**B)** 49 CFR 391.43
**C)** 49 CFR 395.1
**D)** 49 CFR 382.103
**Answer: B**
, **Rationale:** 49 CFR 391.43 specifies the medical examiner's
responsibilities, including the required components of the examination,
documentation requirements, and certification procedures .
---
**Q5: What objective tests and measurements are required as part of
the driver physical examination?**
**Answer:** Height and weight, vision, hearing, blood pressure and
pulse, and urine dipstick for specific gravity, protein, blood, and glucose
.
**Rationale:** These are the mandatory objective measurements
required by FMCSA. Additional tests may be ordered based on clinical
findings or driver history, but these five components are required for
every examination .
---
**Q6: What are the possible outcomes of the driver physical
examination?**
**A)** Qualified or disqualified
**B)** Certification or disqualification
2025/2026: Practice Questions with
Answers & Rationale
### Section 1: Certification Fundamentals & Regulations (Q1-15)
**Q1: What is the primary purpose of the FMCSA Medical Examiner
certification?**
**A)** To provide primary care to commercial drivers
**B)** To determine if a driver meets physical qualification standards
to operate a CMV safely
**C)** To treat work-related injuries
**D)** To certify drivers for all vehicle types
**Answer: B**
,**Rationale:** The Medical Examiner's role is to determine whether a
driver meets the physical qualification standards under 49 CFR Part
391.41 to operate a CMV safely. The ME does not provide primary care
or treatment but performs focused examinations for certification
purposes .
---
**Q2: What are the differences between medical standards and
medical guidelines?**
**Answer:** Standards/regulations are law. Guidelines are best
practices .
**Rationale:** Medical standards are codified in federal regulations
(49 CFR) and are mandatory requirements that must be met for
certification. Medical guidelines represent best practices and
recommendations that guide clinical decision-making but are not legally
binding requirements .
---
**Q3: In which regulation are the driver physical qualification standards
cited?**
,**A)** 49 CFR 391.41
**B)** 49 CFR 391.43
**C)** 49 CFR 390.15
**D)** 49 CFR 383.51
**Answer: A**
**Rationale:** 49 CFR 391.41 contains the physical qualification
standards for commercial motor vehicle drivers. 49 CFR 391.43 covers
medical examiner responsibilities .
---
**Q4: In which regulation are the medical examiner's responsibilities
cited?**
**A)** 49 CFR 391.41
**B)** 49 CFR 391.43
**C)** 49 CFR 395.1
**D)** 49 CFR 382.103
**Answer: B**
, **Rationale:** 49 CFR 391.43 specifies the medical examiner's
responsibilities, including the required components of the examination,
documentation requirements, and certification procedures .
---
**Q5: What objective tests and measurements are required as part of
the driver physical examination?**
**Answer:** Height and weight, vision, hearing, blood pressure and
pulse, and urine dipstick for specific gravity, protein, blood, and glucose
.
**Rationale:** These are the mandatory objective measurements
required by FMCSA. Additional tests may be ordered based on clinical
findings or driver history, but these five components are required for
every examination .
---
**Q6: What are the possible outcomes of the driver physical
examination?**
**A)** Qualified or disqualified
**B)** Certification or disqualification