DOT 2024 STUDY GUIDE WITH VERIFIED
ANSWERS.
How often is a driver with stage 3 hypertension recertified?
a. Every 3 months.
b. Every 6 months.
c. Every 12 months.
d. Every 2 years. - Correct Answer-b. Every 6 months.
A driver with a history of stage 3 hypertension may be certified for a
maximum of 6 months.
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 mmHg - Correct Answer-Correct answer is "D". To be qualified, the
driver should meet a minimum arterial blood gas (PaO2) greater than 65.
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. 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.
- Correct Answer-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. - Correct Answer-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 2years.
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. - Correct Answer-
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. - Correct Answer-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. - Correct Answer-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 1Hypertension.
c. Stage 2Hypertension.
d. Stage 3Hypertension. - Correct Answer-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. Certify only after obtaining 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. - Correct Answer-Correct answer is "A". Medical
clearance is recommended for all mental health disorders. Celexa is an SSRI
or 2nd Generation anti-depressant and is acceptable.
For a driver with insulin-treated diabetes mellitus, the medical examiner can
only accept Form MCSA-5870 if it has been properly completed within the
last:
a. 25 days.
, b. 30 days.
c. 45 days.
d. 60 days. - Correct Answer-Correct answer is "C". The medical examiner
must receive the form and begin the medical examination no later than 45
days after the date signed on the form; however, the medical certification
determination does not need to be completed within 45 days.
BG logs should be 3 month periods
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 - Correct Answer-Correct answer is "C". Blood oxygen
saturation must be a minimum of 65 mm Hg for the driver to certify.
A driver is taking Topamax for the treatment of migraine headaches. He
reports good management of his headaches and they never seem to
interfere with his driving ability with the medication. The medical examiner
should?
a. Obtain medical clearance for the condition and the medication.
b. Disqualify the driver because he is taking an anti-seizure medication.
c. Certify the driver for 1 year.
d. Certify the driver for 2 years. - Correct Answer-Correct answer is "A".
Topamax is a medication that is used for seizure control. The examiner
should confirm with the prescribing provider that the driver does not take it
to control seizures, and he is capable of driving a CMV.
A 26 year-old driver presents for a first-time certification. He has a long-
standing history of ADHD and is taking methylphenidate. You have verified
his diagnosis and obtained clearance from his treating psychiatrist. As the
certified examiner, you:
a. Should disqualify the driver, explaining that use of such stimulants is
cause for disqualification.
b. May certify for a maximum of 6 months.
c. May certify for a maximum of 12 months.
d. May certify for a maximum of 2 years. - Correct Answer-certify for
maximum 1 year
ANSWERS.
How often is a driver with stage 3 hypertension recertified?
a. Every 3 months.
b. Every 6 months.
c. Every 12 months.
d. Every 2 years. - Correct Answer-b. Every 6 months.
A driver with a history of stage 3 hypertension may be certified for a
maximum of 6 months.
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 mmHg - Correct Answer-Correct answer is "D". To be qualified, the
driver should meet a minimum arterial blood gas (PaO2) greater than 65.
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. 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.
- Correct Answer-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. - Correct Answer-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 2years.
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. - Correct Answer-
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. - Correct Answer-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. - Correct Answer-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 1Hypertension.
c. Stage 2Hypertension.
d. Stage 3Hypertension. - Correct Answer-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. Certify only after obtaining 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. - Correct Answer-Correct answer is "A". Medical
clearance is recommended for all mental health disorders. Celexa is an SSRI
or 2nd Generation anti-depressant and is acceptable.
For a driver with insulin-treated diabetes mellitus, the medical examiner can
only accept Form MCSA-5870 if it has been properly completed within the
last:
a. 25 days.
, b. 30 days.
c. 45 days.
d. 60 days. - Correct Answer-Correct answer is "C". The medical examiner
must receive the form and begin the medical examination no later than 45
days after the date signed on the form; however, the medical certification
determination does not need to be completed within 45 days.
BG logs should be 3 month periods
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 - Correct Answer-Correct answer is "C". Blood oxygen
saturation must be a minimum of 65 mm Hg for the driver to certify.
A driver is taking Topamax for the treatment of migraine headaches. He
reports good management of his headaches and they never seem to
interfere with his driving ability with the medication. The medical examiner
should?
a. Obtain medical clearance for the condition and the medication.
b. Disqualify the driver because he is taking an anti-seizure medication.
c. Certify the driver for 1 year.
d. Certify the driver for 2 years. - Correct Answer-Correct answer is "A".
Topamax is a medication that is used for seizure control. The examiner
should confirm with the prescribing provider that the driver does not take it
to control seizures, and he is capable of driving a CMV.
A 26 year-old driver presents for a first-time certification. He has a long-
standing history of ADHD and is taking methylphenidate. You have verified
his diagnosis and obtained clearance from his treating psychiatrist. As the
certified examiner, you:
a. Should disqualify the driver, explaining that use of such stimulants is
cause for disqualification.
b. May certify for a maximum of 6 months.
c. May certify for a maximum of 12 months.
d. May certify for a maximum of 2 years. - Correct Answer-certify for
maximum 1 year
