FMCSA DOT Medical Examiner Certification Exam Question Bank | Complete Questions with Answers and Rationales – Brand New Update – 2026/2027 || Guaranteed Success!!

FMCSA DOT Medical Examiner Certification
Exam Question Bank | Complete Questions
with Answers and Rationales – Brand New
Update – 2026/2027 || Guaranteed Success!!

Question 1
A 30-year-old driver presents for a biennial recertification. The driver notes in his
history he's had 3 episodes of BPV 6 months ago but has been asymptomatic since. He
provides a letter from his neurologist stating he is cleared to work without restrictions.
Exam is negative with no abnormalities. How long may he be qualified?
A. Disqualified due to not waiting the recommended period
B. Qualified up to 2 years
C. Refer to tilt table test
D. Refer for CT of brain
Answer: B
Rationale: BPV requires 2-month symptom-free period (minimum). With 6 months
asymptomatic and neurologist clearance, can certify for up to 2 years.


Question 2
Use of muscle relaxants such as Skelaxin, Soma, or Flexeril is disqualifying.
A. True
B. False
Answer: B
Rationale: Muscle relaxants are disqualifying because they cause sedation and impair
motor function. Skelaxin, Soma, and Flexeril are all CNS depressants that affect driving
safety.


Question 3
Drivers diagnosed with the following motor neuron disease are disqualified per FMCSA:
A. ALS
B. Peripheral neuropathy


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,C. Fibromyalgia
D. Myofascial pain syndrome
Answer: A
Rationale: ALS (Lou Gehrig's disease) is a progressive motor neuron disease that
causes muscle weakness and is disqualifying. Peripheral neuropathy, fibromyalgia, and
myofascial pain syndrome may be certifiable with evaluation.


Question 4
According to the FMCSA, the driver requiring insulin may be certified for a maximum
of:
A. 12 months
B. 6 months
C. Disqualified
D. Two years
Answer: A
Rationale: Insulin-treated drivers can be certified for up to 12 months per 49 CFR
391.46. They no longer require a federal exemption but must meet all requirements.


Question 5
A driver who has an ICD can be certified for what period of time when he or she has
clearance from a cardiologist?
A. 6 months
B. 1 year
C. 2 years
D. Disqualified
Answer: D
Rationale: ICD (Implantable Cardioverter-Defibrillator) is disqualifying per FMCSA
due to risk of sudden incapacitation. Even with cardiologist clearance, driver cannot be
certified.


Question 6
To pass the vision exam, a visual acuity of ______ corrected or uncorrected is required
in each and both eyes:
A. 20/50
B. 20/40
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,C. 20/60
D. 20/100
Answer: B
Rationale: FMCSA requires at least 20/40 visual acuity in each eye (with or without
corrective lenses) per 49 CFR 391.41(b)(10).


Question 7
What eye conditions must you ask the driver about and if indicated request a specialist?
A. Retinopathy
B. Cataracts
C. Aphakia
D. Glaucoma
E. All of the above
Answer: E
Rationale: All listed conditions—retinopathy, cataracts, aphakia, and glaucoma—
require evaluation and specialist referral if indicated due to potential vision impairment.


Question 8
A driver with monocular vision may apply for a federal vision exemption if they are
otherwise medically qualified.
A. True
B. False
Answer: A
Rationale: Drivers with monocular vision may apply for a federal vision exemption
through FMCSA if they meet all other medical requirements.


Question 9
Examiner can only certify a driver with corrective lenses for up to 1 year per FMCSA.
A. True
B. False
Answer: B
Rationale: Drivers with corrective lenses can be certified for up to 2 years. The 1-year
limit applies to insulin-treated drivers and some other specific conditions.


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, Question 10
Driver is required to have a peripheral vision of at least ______ in the horizontal
meridian of each eye:
A. 50°
B. 60°
C. 90°
D. 70°
Answer: D
Rationale: FMCSA requires at least 70° peripheral vision in the horizontal meridian of
each eye.


Question 11
Which of the following providers may NOT certify vision results?
A. Medical examiner
B. Ophthalmologist
C. Optometrist
D. Neurologist
E. All may certify
Answer: D
Rationale: Vision results may be certified by a medical examiner, ophthalmologist, or
optometrist. A neurologist cannot certify vision results.


Question 12
When corrective lenses are used to meet qualifications, the corrective lenses must be
used while driving.
A. True
B. False
Answer: A
Rationale: If corrective lenses are needed to meet vision standards, the driver must
wear them while operating a CMV.


Question 13
The driver must be able to identify which colors in order to be medically fit?

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