DOT Certification Exam: Questions & Answers 

An unrestricted Commercial Motor Vehicle Driver Medical Certificate must

be renewed

(Ans - Every Two Years

A driver presents with history of an isolated TIA 6 months ago. He has a

return to work letter from his primary care

provider (PCP) and neurologist. He is taking and tolerating well

hydrochlorothiazide and simvastatin. All other aspects of

the exam and history were normal. What should the medical examiner do

next?

(Ans - Disqualify driver for now

FMCSA regulates interstate commercial operation including the

(Ans - Driver, Vehicle, and Motor Carrier

During the CMV exam a driver perceived a whispered voice at 5 feet in his

left year and 4 feet in his right year. Exam

was otherwise normal. What do you do as the medical examiner?

(Ans - Certify driver for 2 years

Which of the following is an assessment of L4 nerve root pathology?

A. Plantar flexion

B. Patellar reflex

C. Hip extension

D. Babinski reflex

(Ans - Patellar reflex

A driver presents for medical exam and reports being a smoker and having

frequent shortness of breath. What do you

do next?

(Ans - Order a spirometer test

According to regulation, which of the following must be evaluated as part of

the eye exam?

A. Pupil reaction

B. Iris symmetry

C. Conjunctiva injection

D. Tonometry pressure

(Ans - Pupil reaction

Continued certification of NRCE Medical Examiners requires which of the

following?

A. Periodic training at least every five years

B. Completion of recertification test every five years

C. Completion of certification test every 10 years

D. Electronic transmission to FMCSA CMV Medical Examination Results at

least monthly

(Ans - Periodic training at least every five years, Completion of certification

test every 10 years, Electronic transmission to FMCSA CMV Medical

Examination Results at least monthly

A driver presents for recertification. The only condition he lists is GERD, for

which he takes OTC omeprazole. He says

that when he is driving and eating fast foods, he is more likely to have

heartburn than when off‐duty. You should

(Ans - Correlate history with abdominal exam

Which of the following findings is disqualifying?

A. Oxygen saturation 90%

B. LVEF 40%

C. FEV 68% predicted

D. All of the above

(Ans - Oxygen saturation 90%

The driver presents for recertification and submits an ultrasound report

indicating an abdominal aortic aneurysm

from two months ago, shortly before he had surgical correction. He has

surgical clearance and says he is doing well, has

no symptoms. You should

(Ans - Inform the driver of the 3 month waiting period before he can be

certified

The driver takes diphenhydramine twice a day to treat nasal congestion.

What must you document in order to

certify?

(Ans - Cannot drive within 12 hours of taking diphenhydramine

The driver has a history of carpal tunnel repair of her right hand 2 months

ago. Her grip strengths are symmetrical

and strong. What is necessary in order to qualify this driver?

(Ans - Document her findings for 2‐year certification

Which of the following abdominal complaints is most likely to be

incapacitating?

A. IBS

B. GERD

C. Urinary tract infection

D. Nephrolithiasis

(Ans - Nephrolithiasis