DOT exam study questions with
verified solutions79
What minimum PaO2 level is necessary if the driver has an ABG due to a chronic respiratory
disorder?
a. 70 mm Hg
b. 55 mm Hg
c. 60 mm Hg
d. 65 mm Hg - ANSWERS-d. 65 mm Hg
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. -
ANSWERS-b. Certify the driver for 2 years.
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. - ANSWERS-
Correct answer is "A". The driver has not completed the required 2-month waiting 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:
1. 500 Hz: 35 Right ear; 40 Left ear
2. 1000 HZ: 40 Right ear; 45 Left ear
3. 2000 HZ: 40 Right ear; 45 Left ear
4. 4000 Hz: 50 Right ear; 50 Left ear
The medical examiner should:
a. Disqualify the driver because he does not meet minimum hearing requirements to drive.
b. Certify the driver for 2years.
c. Certify the driver for 1 year.
d. Require the driver to obtain a hearing exemption. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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.
verified solutions79
What minimum PaO2 level is necessary if the driver has an ABG due to a chronic respiratory
disorder?
a. 70 mm Hg
b. 55 mm Hg
c. 60 mm Hg
d. 65 mm Hg - ANSWERS-d. 65 mm Hg
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. -
ANSWERS-b. Certify the driver for 2 years.
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. - ANSWERS-
Correct answer is "A". The driver has not completed the required 2-month waiting 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:
1. 500 Hz: 35 Right ear; 40 Left ear
2. 1000 HZ: 40 Right ear; 45 Left ear
3. 2000 HZ: 40 Right ear; 45 Left ear
4. 4000 Hz: 50 Right ear; 50 Left ear
The medical examiner should:
a. Disqualify the driver because he does not meet minimum hearing requirements to drive.
b. Certify the driver for 2years.
c. Certify the driver for 1 year.
d. Require the driver to obtain a hearing exemption. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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. - ANSWERS-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.
