DOT 2024 Study Guide – Complete Exam
Prep & Practice Questions real!!!
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. - 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 - ANSWER ✔---Correct answerwer 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. - ANSWER ✔---
Correct answerwer 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 Leftear
3. 2000 HZ: 40 Right ear; 45 Leftear
4. 4000 Hz: 50 Right ear; 50 Left ear
The medical examinershould:
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. - ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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. -
ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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. -
ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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 - ANSWER ✔---Correct answerwer is "C". Blood oxygen saturation must be a minimum
of 65 mm Hg for the driver to certify.
Prep & Practice Questions real!!!
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. - 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 - ANSWER ✔---Correct answerwer 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. - ANSWER ✔---
Correct answerwer 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 Leftear
3. 2000 HZ: 40 Right ear; 45 Leftear
4. 4000 Hz: 50 Right ear; 50 Left ear
The medical examinershould:
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. - ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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. -
ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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. -
ANSWER ✔---Correct answerwer 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. - ANSWER ✔---Correct answerwer 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 - ANSWER ✔---Correct answerwer is "C". Blood oxygen saturation must be a minimum
of 65 mm Hg for the driver to certify.
