NRCME (DOT) Medical Examiner Certification Exam 2026–2027 Update: Questions & Answers (Verified Answers) with Detailed Rationales | Complete A+ Guide | 100% Guaranteed Pass

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NRCME (DOT) Medical Examiner

Certification Exam 2026 – 2027 Update,

Questions & Answers (Verified Answers)

With Rationales | Complete A+ Guide




1. Under FMCSA regulations, who must be medically certified

to operate a commercial motor vehicle (CMV) in interstate

commerce?

• A) Any driver operating a vehicle over 10,000 lbs

• B) Any driver operating a vehicle over 26,001 lbs

GVWR, transporting hazardous materials, or carrying

16+ passengers

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• C) Any driver operating a vehicle over 26,000 lbs for

any purpose

• D) Only drivers with a history of medical conditions

✅ Answer: B

Rationale: 49 CFR 390.5 defines a CMV for interstate

commerce as: >26,001 lbs GVWR/GCWR, or any size if

carrying hazardous materials requiring placarding, or

designed to carry 16+ passengers (including driver).

2. A driver is moving intrastate but operating a vehicle that

meets interstate CMV definitions. Does the driver need an

FMCSA medical certificate?

• A) No, intrastate is exempt

• B) Yes, if the state has adopted FMCSA standards

• C) Only if crossing state lines

• D) No, if the trip is less than 150 miles

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✅ Answer: B

Rationale: Many states have adopted FMCSA medical

standards for intrastate CMV drivers. The ME must check state-

specific rules.

3. How long is a valid Medical Examiner’s Certificate (MEC),

Form MCSA-5876, typically valid for an interstate CMV

driver?

• A) 6 months

• B) 1 year

• C) 2 years

• D) 5 years

✅ Answer: C

Rationale: 49 CFR 391.43 – Maximum 2 years. May be less if

the ME determines a shorter interval based on a medical

condition.