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DOT 2024 Study Guide Questions with Correct Answers.
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DOT 2024 Study Guide Questions with Correct Answers.
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DOT 2024 Study Guide Questions with CorrectAnswers
How often is a driver with stage 3 hypertension recertified? a. Every 3 months.
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b. Every 6 months.
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c. Every 12 months.
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d. Every 2 years. - (correct answer) -b. Every 6 months.
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A driver with a history of stage 3 hypertension may be certified for a maximum of 6 months.
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What minimum PaO2 level is necessary if the driver has an ABG due to a chronic respiratory disorder?
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a. 70 mm Hg
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b. 55 mm Hg
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c. 60 mm Hg
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d. 65 mmHg - (correct answer) -Correct answer is "D". To be qualified, the driver should meet a
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minimum arterial blood gas (PaO2) greater than 65.
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A driver reports for an examination 6 weeks after suffering a mild heart attack and presents a note
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from his cardiologist stating that he is able to return to work immediately without restriction. Included
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within the note, the cardiologist provides recent testing information showing that the driver had an
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ETT that showed he was able to reach 12 METS during the test. His echocardiogram showed an
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ejection fraction of 65%. The examination of the driver is unremarkable. The examiner should:
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a. Disqualify the driver.
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b. Qualify the driver for 1 year.
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c. Qualify the driver for 2 years.
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,d. Consult with the cardiologist to determine if the driver suffers from angina. - (correct answer) -
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Correct answer is "A". The driver has not completed the required 2-month waiting period, but all other
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requirements for medical clearance and required testing have been met. The driver would be certified
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for 1 year at the completion of the waiting period. The date of the certification would be from the date
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of the original examination.
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A driver provides an audiometric test documenting the following:
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1. 500 Hz: 35 Right ear; 40 Left ear
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2. 1000 HZ: 40 Right ear; 45 Leftear
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3. 2000 HZ: 40 Right ear; 45 Leftear
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4. 4000 Hz: 50 Right ear; 50 Left ear
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The medical examinershould:
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a. Disqualify the driver because he does not meet minimum hearing requirementsto drive.
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b. Certify the driver for 2years.
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c. Certify the driver for 1 year.
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d. Require the driver to obtain a hearing exemption. - (correct answer) -Correct answer is "B". The
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examiner would average the results from 500 Hz, 1000 Hz and 2000 Hz. This average is 38.33 in the
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Right and 43.33 in the Left ear. A driver must have an average hearing loss of less than or equal to 40
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in the better ear. This does not have to be met in both ears.
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During the examination of a commercial driver, the examiner notices that the driver's peripheral vision
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is 70 degrees to the left and 80 degrees to the right. The examiner should:
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a. Qualify the driver for 2years.
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b. Require the driver to obtain a vision exemption because of the limitation in the driver's left
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peripheral field.
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c. Disqualify the driver.
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d. Have the driver consult with an Ophthalmologist to determine if the driver's peripheral vision meets
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minimum standards. - (correct answer) -Correct answer is "A". A driver must exhibit a minimum
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peripheral vision of 70 degrees bilaterally.
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,During examination, the medical examiner notices that the driver is distant, lacks eye contact and
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shows absolutely no emotional response during the exam. The examiner's best response should be:
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a. Provide the driver with a "CAGE" questionnaire to determine if he suffers from alcoholism.
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b. Disqualify the driver and refer him to a mental health professional prior to consideration for
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certification.
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c. Certify the driver with a 1-time, 3-month certificate to determine if there is any effect on the driver's
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ability to drive a CMV.
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d. Require a skill performance evaluation to ascertain if the driver has any limitations with driving. -
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(correct answer) -Correct answer is "B". The driver exhibits what may be considered a "flat affect"
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which is seen in schizophrenia and in severe depression. The driver should be evaluated by a mental
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health expert to make a diagnosis prior to certification.
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A driver admits to the use of marijuana for the treatment of his glaucoma, which is legal in the State in
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which he lives. He provides medical documentation for the glaucoma indicating he is able to drive a
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truck. He began using the marijuana about three months ago. His current medical card has no
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limitations listed and is for 2 years. His certification examination is within normal limits. The medical
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examiner should:
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a. Disqualify the driver.
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b. Perform a urine drug collection and provide the release from the testing provider.
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c. Certify the driver for 1 year.
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d. Certify the driver for 2 years. - (correct answer) -Correct answer is "A". Use of marijuana is prohibited
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by Federal law while driving a CMV and trumps State law in this matter.
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A driver has a blood pressure of 136/92 mm Hg. This is:
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a. Within normal limits and would not affect the driver's certification.
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b. Stage 1Hypertension.
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c. Stage 2Hypertension.
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d. Stage 3Hypertension. - (correct answer) -Correct answer is "B". This is Stage 1 Hypertension, which is
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defined as 140-159/90 - 99.
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A driver is taking Celexa for the treatment of what he calls a "mild depression." He reports he has not
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considered or attempted suicide. The examiner should?
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a. Certify only after obtaining written clearance for the depression and the medication from the
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treating provider.
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, b. Certify the driver for a period of 1 year.
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c. Certify the driver for a period of 2 years.
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d. Disqualify the driver until he is no longer requiring medication for the treatment of depression. -
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(correct answer) -Correct answer is "A". Medical clearance is recommended for all mental health
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disorders. Celexa is an SSRI or 2nd Generation anti-depressant and is acceptable.
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For a driver with insulin-treated diabetes mellitus, the medical examiner can only accept Form MCSA-
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5870 if it has been properly completed within the last:
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a. 25 days.
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b. 30 days.
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c. 45 days.
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d. 60 days. - (correct answer) -Correct answer is "C". The medical examiner must receive the form and
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begin the medical examination no later than 45 days after the date signed on the form; however, the
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medical certification determination does not need to be completed within 45 days.
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BG logs should be 3 month periods
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What minimum PaO2 level on an ABG performed for a chronic respiratory disorder is necessary to
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certify a commercial driver?
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a. 55 mm Hg.
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b. 60 mm Hg.
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c. 65 mm Hg.
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d. 70 mm Hg - (correct answer) -Correct answer is "C". Blood oxygen saturation must be a minimum of
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65 mm Hg for the driver to certify.
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A driver is taking Topamax for the treatment of migraine headaches. He reports good management of
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his headaches and they never seem to interfere with his driving ability with the medication. The
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medical examiner should?
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a. Obtain medical clearance for the condition and the medication.
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b. Disqualify the driver because he is taking an anti-seizure medication.
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c. Certify the driver for 1 year.
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