DOT Medical Qualification

First published: September 2, 2026Last verified: September 2, 2026Reviewed by the CertQuestUSA team

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 citing the real regulation it comes from.

Where these questions come from

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

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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

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

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

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

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

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

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 diagnostic for DOT Medical Qualification?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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