DOT Certification Exam Questions
with 100% Correct Answers
Which pulmonary conditions are disqualifying? - Answer- 1. Bronchiectasis w/
hemoptysis
2. Chronic TB
3. COPD w/ severe cough
4. Asthma w/ frequent hospitalizations
Minimum accepted FEV1? - Answer- 65% of predicted
Minimum waiting period after use of sedating medications? - Answer- 12 hours
Minimum required FVC? - Answer- 65%
How many incidences of spontaneous pneumothorax may occur prior to surgical
intervention? - Answer- 2
Minimum required PaO2 at <5000 ft? - Answer- 65 mmHg
Frequent of sleep testing in drivers with OSA? - Answer- Yearly
Which two groups require "simple pulmonary function testing"? - Answer- 1. Smokers
>35 years old
2. Any Hx of SOB, CP or wheezing
What three tests are used for initial evaluation of
pulmonary function? - Answer- 1. FEV1
2. FVC
3. FEV/FVC
What tests must be order if minimum FEV1 or FVC requirements are not met? -
Answer- Oximetry or ABG
Minimum pulse oximetry? - Answer- 92%
Minimum required PaO2 at >5000 ft? - Answer- 60 mmHg
Elevation of Twin Falls and required minimum PaO2? - Answer- 3,745 ft and >65 mmHg
What happens to PaO2 at high altitudes? - Answer- It decreases. Make adjustments for
drivers traveling to and from varying elevations.
, Purpose of the SPE (Skill Performance Evaluation)? - Answer- Certify a driver with a
fixed deficit of lost extremity
Can a medical examiner grant an SPE? - Answer- No. There are four FMCSA regional
centers.
Certification period for a SPE certificate? - Answer- 2 years
Is medicinal marijuana allowed? - Answer- No
Who reviews a positive drug screen? - Answer- MRO (Medical Review Officer)
Max certification period if on anticoagulation? - Answer- 1 year for heart, disqualified for
brain.
Maximum allowed hypoglycemia episodes in 12 months and 5 years, respectively? -
Answer- 1 and 2
Are lithium levels required? - Answer- Yes, by my interpretation.
Are suboxone and Chantix allowed? - Answer- Technically, though not recommended.
Maximum certification period for DM? - Answer- 1 year unless insulin controlled then
disqualified.
Duration of DM exemption? - Answer- 2 years but must present with quarterly reports
and have annual recertification.
Waiting period for initial unprovoked seizure? - Answer- 5 years
Waiting period for multiple seizures (no Dx of epilipsy)? - Answer- 10 years
Maximum AHI for untreated OSA? - Answer- 20
Waiting period after starting CPAP? - Answer- 1 month
Length of condition certification for OSA pending eval/treatment? - Answer- 60 days.
May have 1 additional 90 day period for compliance.
Maximum re-certification for drivers with OSA? - Answer- 1 year
Minimum compliance with CPAP? - Answer- 4 hours a day on 70% of days
What are the differences between the
medical standards and the medical
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