Free DOT Medical Qualification Practice Test Online

Take a free DOT Medical Qualification practice test online: a full 30-question paper with every answer explained, no sign-up, scored by topic. The full 74-question bank and the timed simulator are $14.99 for 30 days.

First published: September 2, 2026Bank updated: September 2, 2026Published by CertQuestUSA · review process

TL;DR

DOT Medical Qualification: a 74-question practice bank for the real DOT / FMCSA Carrier Compliance standard, 2 full papers of 30 questions each with no repeats, every question written to the regulation it comes from.

Where these questions come from

Every question in this bank cites a source -- primarily 49 CFR (100%) of this exam's citations.

Take a full practice test free. 30 real questions built to the exam's domain weights, every answer explained, no sign-up required, with a domain-by-domain score at the end.

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2

full papers, no repeats

30

questions per paper

74

questions in the bank

What this exam covers

Medical Examiner & Certification Process (391.43)29%
Physical Qualification Standards (391.41(b))46%
Who Must Be Medically Examined & Certified (391.45)25%

5 real sample questions

Which cardiovascular conditions does 391.41(b)(4) identify as disqualifying when accompanied by syncope or cardiac failure risk?

A. Myocardial infarction, angina pectoris, coronary insufficiency, thrombosis, and similar cardiovascular disease

B. Any history of a routine annual physical

C. A single instance of elevated resting heart rate during exercise

D. Family history of cardiovascular disease

Show answer and reasoning

Correct answer: A. Myocardial infarction, angina pectoris, coronary insufficiency, thrombosis, and similar cardiovascular disease

B: A routine physical exam history is not the condition named in 391.41(b)(4).
C: A single elevated exercise heart rate reading is not the standard in 391.41(b)(4).
D: Family history alone is not the standard in 391.41(b)(4).

Source: 49 CFR 391.41(b)(4)

Under 391.41(b)(1), what limb condition generally disqualifies a driver from being physically qualified, absent a skill performance evaluation certificate?

A. Loss of a foot, a leg, a hand, or an arm

B. A healed minor fracture from more than a year ago

C. Wearing prescription orthotic inserts

D. A scar from a prior minor surgery

Show answer and reasoning

Correct answer: A. Loss of a foot, a leg, a hand, or an arm

B: A healed minor fracture is not the standard stated in 391.41(b)(1).
C: Orthotic inserts alone are not the condition addressed by 391.41(b)(1).
D: A minor surgical scar is not the condition addressed by 391.41(b)(1).

Source: 49 CFR 391.41(b)(1)

What can allow a driver who has lost a limb to still be physically qualified under 391.41(b)(1)?

A. A skill performance evaluation certificate

B. A note from any family physician

C. A carrier-issued waiver letter

D. Ten years of prior driving experience

Show answer and reasoning

Correct answer: A. A skill performance evaluation certificate

B: A general physician’s note is not the mechanism named in 391.41(b)(1).
C: A carrier-issued waiver is not the mechanism named in 391.41(b)(1).
D: Prior driving experience alone is not the mechanism named in 391.41(b)(1).

Source: 49 CFR 391.41(b)(1)

What does 391.41(b)(2) require regarding a driver’s hands, fingers, arms, feet, or legs?

A. No impairment that interferes with safely operating a commercial motor vehicle

B. That the driver never have had any injury to a limb

C. That the driver pass a grip-strength test annually

D. That the driver be right-handed

Show answer and reasoning

Correct answer: A. No impairment that interferes with safely operating a commercial motor vehicle

B: A total prohibition on ever having had an injury is not the standard 391.41(b)(2) states.
C: An annual grip-strength test is not required by 391.41(b)(2).
D: Handedness is not addressed by 391.41(b)(2).

Source: 49 CFR 391.41(b)(2)

Under 391.41(b)(3), what condition generally disqualifies a driver, absent the exception in 391.46?

A. An established medical history or clinical diagnosis of diabetes mellitus currently treated with insulin

B. Any history of type 2 diabetes managed by diet alone

C. A single elevated blood sugar reading

D. A family history of diabetes

Show answer and reasoning

Correct answer: A. An established medical history or clinical diagnosis of diabetes mellitus currently treated with insulin

B: Diet-controlled diabetes without insulin is not what 391.41(b)(3) addresses.
C: A single elevated reading is not a clinical diagnosis under 391.41(b)(3).
D: Family history alone is not the standard in 391.41(b)(3).

Source: 49 CFR 391.41(b)(3)

Real-world data for this exam

Heavy and Tractor-Trailer Truck Drivers: real median wageMay 2025$58,640/yr Driver Fitnesssince 2023-01-01335,764 violations Part of the real CDL Driver career pathExplore ›

Frequently asked questions

Where can I take a free DOT Medical Qualification practice test online?

Right here. CertQuestUSA's free DOT Medical Qualification practice test online is a full 30-question practice paper built to the real exam's domain weights, with every answer explained, with no sign-up and no credit card, and shows your score by topic at the end. The full 74-question bank, with every answer explained and cited to the regulation it comes from, is $14.99 for a 30-day pass that never renews.

How many questions are on the CertQuestUSA DOT Medical Qualification practice test?

74 questions total, split into 2 full papers of 30 each with no repeats across papers.

What topics does the DOT Medical Qualification test cover?

3 domains, with the heaviest weight on Physical Qualification Standards (391.41(b)) (46%), Medical Examiner & Certification Process (391.43) (29%), and Who Must Be Medically Examined & Certified (391.45) (25%).

Where do CertQuestUSA's DOT Medical Qualification questions come from?

Primarily 49 CFR (100%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.

Is there a free DOT Medical Qualification practice test?

Yes -- one full 30-question practice paper built to the exam's domain weights, free with no sign-up, with every answer explained and a domain-by-domain score at the end.

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