DOT Exam questions Latest Update 2025-2026 Exam 320 Questions with 100% Verified Correct Answers Guaranteed A+
- If glucose is detected on urinalysis in a driver with no history of diabetes, an
appropriate next step is:
a) Endocrinology consultation.
- 1-year clearance and recommendation to see personal physician.
c) Fingerstick or blood glucose determination.
d) Temporary disqualification - CORRECT ANSWER: Fingerstick or blood glucose
determination.
A 21-year-old driver presents with a history of ADHD for 10 years, taking stable dosing of Adderall. He describes no side effects. Which of the following is true?
- A significant percentage of individuals with adult ADHD show a moderate to marked
- ADHD is a disqualifying condition.
- Adderall is a Schedule 1 drug.
- Medical Examiners should test for serum drug levels of Adderall. - CORRECT
degree of improvement on central nervous system stimulant medication.
ANSWER: A significant percentage of individuals with adult ADHD show a moderate to marked degree of improvement on central nervous system stimulant medication
A driver diagnosed with chronic obstructive pulmonary disease (COPD) may
be certified if the driver has:
a) Hypoxemia at rest.
b) FEV1 > 65%.
c) Chronic respiratory failure.
d) History of continuing cough with cough syncope - CORRECT ANSWER: FEV1 > 65%
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A driver experienced a pneumothorax 4 weeks ago. The pneumothorax reduced the driver's forced vital capacity (FVC) to 58% of predicted forced vital capacity.What should the certification decision be?
a) Do not certify.
b) Certify for 3 months, pending driver follow up with personal
physician and/or specialist.
c) Certify 1 year.
d) Certify 2 years. - CORRECT ANSWER: Do not certify
The driver may not be certified until FVC is > 60%predicted
A driver has an indication for obtaining a cardiac stress test. If the driver is not taking a beta blocker, what is the percentage of maximum heart rate that the driver should meet
to indicate a satisfactory stress test:
- 60%.
- 75%.
- 85%.
d. 100%. - CORRECT ANSWER: 85%
A driver has loss of hearing in the better ear of 25 dB loss at 500 Hz, 40 dB loss at 1000 Hz, and 60 dB loss at 2000 Hz. With respect to the hearing requirement for medical
certification, the driver:
a) May be certified for 1 year.
b) May be certified for 2 years.
c) May not be certified.
d) May be certified if examined by an otolaryngologist who is familiar the
CMV driving duties and certifies the driver as medically qualified to driver a CMV - CORRECT ANSWER: May not be certified. 2 / 4
An average hearing loss of 41.7 decibels averaged across 500, 1000, and 2000 Hz in the better ear is disqualifying.
A driver on anticoagulant treatment for a cardiovascular condition can be certified for up to _______ while a driver on anticoagulant treatment for a neurological condition can be certified for _______,
- 6 months, 6 months.
- 6 months, 1 year.
- 1 year, 1 year.
d) 1 year, do not certify. - CORRECT ANSWER: 1 year, do not certify.
A driver presents for clearance to return to driving a CMV 4 weeks after arthroscopic carpal tunnel repair to his left hand. The certification decision should be:
a) The driver must complete a 2-month waiting period.
b) The driver may be certified if he completes a functional capacity
evaluation (FCE).
c) The driver may be certified for a maximum of 1 year, as long as he
meets all other qualification standards.
d) The driver may be certified for a maximum of 2 years, as long as he
meets all other qualification standards. - CORRECT ANSWER: The driver may be
certified for a maximum of 2 years, as long as he meets all other qualification standards
There is no waiting period following carpal tunnel surgery. The driver may be certified up to 2 years if the Medical Examiner considers the driver to have recovered sufficiently from surgery
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A driver presents for examination with a history (3 months ago) of a pneumothorax. The records provided by the driver indicate that this is the second spontaneous pneumothorax on the same side. The driver's forced vital capacity (FVC) to 68% of predicted forced vital capacity is with no surgical intervention. Can this driver be
certified? - CORRECT ANSWER: No. Because no surgical procedure has been done to
prevent recurrence
A driver presents for examination with a history of a pneumothorax 3 weeks ago. The records provided by the driver indicate that the pneumothorax reduced the driver's forced vital capacity (FVC) to 58% of predicted forced vital capacity. What should the certification decision be?
a) Do not certify.
b) Certify for 3 months, pending driver follow up with personal
physician and/or specialist.
c) Certify 1 year.
d) Certify 2 years. - CORRECT ANSWER: Do not certify
The minimum FVC requirement is 60% predicted for a driverwith a restrictive impairment
A driver presents for examination with a history of a pneumothorax 6 weeks ago. Available medical records indicate that this is the second spontaneous pneumothorax on the same side. The driver's forced vital capacity (FVC) is 68% of predicted forced vital capacity with no surgical intervention. What is the certification determination?
a) Do not certify.
b) Certify for 3 months, pending driver follow up with personal
physician and/or specialist.
c) Certify 1 year.
d) Certify 2 years. - CORRECT ANSWER: Do not certify
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