CERTIFICATION EXAM NEWEST EXAM 2026/
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Question 1
A 52-year-old commercial driver has a resting blood pressure of 148/92 mmHg on
today’s examination and no prior diagnosis of hypertension. What is the most
appropriate certification decision?
A. Certify for 2 years
B. Certify for 1 year
C. Certify for 3 months
D. Disqualify immediately
Correct Answer: B
Rationale:
Stage 1 hypertension (BP 140–159/90–99) allows certification for 1 year, provided
there is no evidence of end-organ damage.
Question 2
Which condition is always disqualifying unless a federal exemption is granted?
A. Insulin-treated diabetes mellitus
B. History of myocardial infarction
C. Monocular vision
D. Epilepsy
Correct Answer: D
,Rationale:
Epilepsy is a permanently disqualifying condition unless the driver qualifies under
a federal seizure exemption program.
Question 3
A driver with obstructive sleep apnea uses CPAP nightly with documented
compliance. What is the maximum certification period?
A. 3 months
B. 6 months
C. 1 year
D. 2 years
Correct Answer: C
Rationale:
Drivers with treated sleep apnea and documented compliance may be certified for
up to 1 year.
Question 4
Which visual acuity meets the minimum DOT standard without exemption?
A. 20/50 in both eyes without correction
B. 20/40 in one eye and 20/70 in the other with correction
C. 20/40 or better in each eye with or without correction
D. 20/30 in one eye only
Correct Answer: C
Rationale:
DOT requires 20/40 or better in each eye, with or without corrective lenses.
,Question 5
A driver reports occasional dizziness when standing. What is the MOST
appropriate next step?
A. Immediate disqualification
B. Refer for neurological evaluation
C. Perform orthostatic blood pressure measurements
D. Issue a 2-year certification
Correct Answer: C
Rationale:
Orthostatic symptoms require further evaluation, beginning with orthostatic vital
signs.
Question 6
Which medication class raises the greatest concern for driver safety?
A. ACE inhibitors
B. First-generation antihistamines
C. Metformin
D. Proton pump inhibitors
Correct Answer: B
Rationale:
First-generation antihistamines cause sedation and impaired reaction time,
increasing crash risk.
Question 7
A driver has a history of myocardial infarction 3 years ago, is asymptomatic, and
has normal exercise tolerance. What is required before certification?
A. No further evaluation
B. Resting ECG only
, C. Clearance from a cardiologist and exercise tolerance test
D. Permanent disqualification
Correct Answer: C
Rationale:
Post-MI drivers require cardiology clearance and acceptable exercise tolerance
testing.
Question 8
Which hearing standard meets DOT requirements?
A. Ability to hear whispered voice at 3 feet
B. Average hearing loss ≤40 dB in better ear
C. Use of hearing aid only
D. Any degree of hearing loss allowed
Correct Answer: B
Rationale:
DOT requires hearing loss ≤40 dB in the better ear at specified frequencies, with or
without hearing aids.
Question 9
A driver has Type 2 diabetes controlled with oral medications and no
hypoglycemia. Certification length?
A. 3 months
B. 6 months
C. 1 year
D. 2 years
Correct Answer: D
Rationale:
Non–insulin-treated diabetes without complications may be certified for up to 2
years.