NRCME DOT EXAM 2023 ACCURATE QUESTIONS
AND VERIFIED ANSWERS GUARANTEED PASS
LATEST UPDATE 2023/2024 INCLUDES RATIONALES
What minimum PaO2 level is necessary if the driver has an ABG due to a chronic respiratory
disorder?
a. 70mmHg
b. 55mmHg
c. 60mmHg
d. 65mmHg
d. 65mmHg
Correct answer is “D”. To be qualified, the driver should meet a minimum arterial blood gas
(PaO2) greater than 65.
A driver first perceives a whispered voice at 5 feet in his right ear and 4 feet in his left ear. All
other aspects of his physical examination are unremarkable. The examiner should:
a. Permanently disqualify the driver because he “failed” the whispered voice test.
b. Certify the driver for 2 years.
c. Certify the driver for 1 year.
d. Require an audiometric test to determine the extent of hearing loss in his left ear.
b. Certify the driver for 2 years.
Correct answer is “B”. The driver is qualified to drive without restriction as long as he is able to
perceive a whispered voice at 5 feet in 1 ear.
A driver reports for an examination 6 weeks after suffering a mild heart attack and presents a
note from his cardiologist stating that he is able to return to work immediately without
restriction. Included within the note, the cardiologist provides recent testing information showing
that the driver had an ETT that showed he was able to reach 12 METS during the test. His
echocardiogram showed an ejection fraction of 65%.
The examination of the driver is unremarkable.
The examiner should:
a. Temporarily disqualify the driver.
b. Qualify the driver for 1 year.
c. Qualify the driver for 2 years.
d. Consult with the cardiologist to determine if the driver suffers from angina.
a. Temporarily disqualify the driver.
Correct answer is “A”. The driver has not completed the required 2-monthwaiting period, but all
other requirements for medical clearance and required testing have been met. The driver would
be certified for 1 year at the completion of the waiting period. The date of the certification would
be from the date of the original examination.
A driver provides an audiometric test documenting the following:
- 500 Hz: 35 Right ear; 40 Left ear
- 1000 HZ: 40 Right ear; 45 Leftear
- 2000 HZ: 40 Right ear; 45 Leftear
- 4000 Hz: 50 Right ear; 50 Left ear
The medical examiner should:
a. Disqualify the driver because he does not meet minimum hearing requirementsto drive.
b. Certify the driver for 2years.
c. Certify the driver for 1 year.
d. Require the driver to obtain a hearing exemption.
b. Certify the driver for 2years.
Correct answer is “B”. The examiner would average the results from 500 Hz, 1000 Hz and 2000
Hz. This average is 38.33 in the Right and 43.33 in the Left ear. A driver must have an average
hearing loss of less than or equal to 40 in the better ear. This does not have to be met in both
ears.
During the examination of a commercial driver, the examiner notices that the driver’s peripheral
vision is 70 degrees to the left and 80 degrees to the right. The examiner should:
a. Qualify the driver for 2 years.
b. Require the driver to obtain a vision exemption because of the limitation in the driver’s left
peripheral field.
c. Disqualify the driver.
d. Have the driver consult with an Ophthalmologist to determine if the driver’s peripheral vision
meets minimum standards.
a. Qualify the driver for 2 years.
Correct answer is “A”. A driver must exhibit a minimum peripheral vision of 70 degrees
bilaterally. - During examination, the medical examiner notices that the driver is distant, lacks eye contact
and shows absolutely no emotional response during the exam. The examiner’s best response
should be:
a. Provide the driver with a “CAGE” questionnaire to determine if he suffers from alcoholism.
b. Disqualify the driver and refer him to a mental health professional prior to consideration for
certification.
c. Certify the driver with a 1-time, 3-month certificate to determine if there is any effect on the
driver’s ability to drive a CMV.
d. Require a skill performance evaluation to ascertain if the driver has any limitations with
driving.
b. Disqualify the driver and refer him to a mental health professional prior to consideration for
certification.
Correct answer is “B”. The driver exhibits what may be considered a “flat affect” which is seen
in schizophrenia and in severe depression. The driver should be evaluated by a mental health
expert to make a diagnosis prior to certification.
A driver admits to the use of marijuana for the treatment of his glaucoma, which is legal in the
State in which he lives. He provides medical documentation for the glaucoma indicating he is
able to drive a truck. He began using the marijuana about three months ago. His current medical
card has no limitations listed and is for 2 years. His certification examination is within normal
limits. The medical examiner should:
a. Disqualify the driver.
b. Perform a urine drug collection and provide the release from the testing provider.
c. Certify the driver for 1 year.
d. Certify the driver for 2 years.
a. Disqualify the driver.
Correct answer is “A”. Use of marijuana is prohibited by Federal law while driving a CMV and
trumps State law in this matter.
A driver has a blood pressure of 136/92 mm Hg.
This is:
a. Within normal limits and would not affect the driver’s certification.
b. Stage 1 Hypertension.
c. Stage 2 Hypertension.
d. Stage 3 Hypertension.
b. Stage 1 Hypertension.
Correct answer is “B”.
This is Stage 1 Hypertension,
which is defined as 140-159/90 – 99.
A driver is taking Celexa for the treatment of what he calls a “mild depression.” He reports he
has not considered or attempted suicide. The examiner should?
a. Temporarily disqualify the driver until he obtains written clearance for the depression and the
medication from the treating provider
b. Certify the driver for a period of 1 year.
c. Certify the driver for a period of 2 years.
d. Disqualify the driver until he is no longer requiring medication for the treatment of depression.
a. Temporarily disqualify the driver until he obtains written clearance for the depression and the
medication from the treating provider
Correct answer is “A”. Medical clearance is required for all mental health disorders. Celexa is an
SSRI or 2nd Generation anti-depressant and is acceptable.
- A driver reports that he had a hunting accident wherein he suffered a left orbital fracture. He
presents a note at the time of the examination from an ophthalmologist stating “may drive”. His
exam is unremarkable except for a limitation in peripheral vision in his left eye, which was
inconclusive. His distance vision was 20/20 right and 20/40 left. The medical examiner should?
a. Council the driver on the need for a vision exemption.
b. Disqualify the driver pending vision exam to determine if it meets peripheral requirements
vision
c. Certify the driver for 1 year.
d. Certify the driver for 2 years.
b. Disqualify the driver pending vision exam to determine if it meets peripheral requirements
vision
Correct answer is “B”. The driver must have a peripheral vision of 70 degrees bilaterally to
certify to drive a CMV. - What minimum PaO2 level on an ABG performed for a chronic respiratory disorder is
necessary to certify a commercial driver?
a. 55 mm Hg.
b. 60 mm Hg.
c. 65 mm Hg.
d. 70 mm Hg.
c. 65 mm Hg.
Correct answer is “C”. Blood oxygen saturation must be a minimum of 65 mm Hg for the driver
to certify.