DOT CERTIFICATION EXAM PRACTICE TEST
1. The primary purpose of the DOT medical exam is to:
A. Ensure drivers meet company fitness requirements
B. Screen for chronic illnesses only
C. Evaluate driver physical fitness for safe commercial driving
D. Provide treatment to commercial drivers
Answer: C
Rationale: DOT exams ensure a driver's medical fitness to
safely operate a commercial motor vehicle.
2. What is the minimum visual acuity standard for a DOT
medical card with corrective lenses?
A. 20/10
B. 20/20
C. 20/40
D. 20/60
Answer: C
Rationale: DOT requires at least 20/40 acuity in each eye with
or without correction.
,3. The minimum acceptable horizontal visual field per eye for
DOT certification is:
A. 50 degrees
B. 70 degrees
C. 90 degrees
D. 140 degrees
Answer: D
Rationale: DOT mandates at least 70 degrees in each eye,
totaling 140 degrees field.
4. Commercial drivers with insulin-treated diabetes must
provide:
A. No documentation
B. A letter from an ophthalmologist only
C. An Insulin-Treated Diabetes Mellitus (ITDM) MCSA-5870 form
D. A hemoglobin test only
Answer: C
Rationale: The ITDM form verifies proper diabetes
management for safe driving.
5. A DOT examiner must report medical exam results to
FMCSA within:
,A. 24 hours
B. 5 days
C. 10 days
D. 15 days
Answer: C
Rationale: Medical examiners are required to upload results
within 10 days.
6. The maximum certification period for a healthy driver is:
A. 6 months
B. 1 year
C. 2 years
D. Lifetime
Answer: C
Rationale: A driver meeting all medical standards can be
certified for up to 2 years.
7. A driver with blood pressure of 150/90 falls under which
category?
A. Normal
B. Stage 1 hypertension
C. Stage 2 hypertension
D. Disqualifying
, Answer: B
Rationale: 140–159 systolic or 90–99 diastolic is Stage 1
hypertension.
8. A driver with Stage 1 hypertension (150/92) may be
certified for up to:
A. 2 years
B. 1 year
C. 3 months
D. Disqualified
Answer: B
Rationale: Stage 1 hypertension allows up to 1-year
certification.
9. What is the maximum BP for a driver to be certified (even
temporarily)?
A. 140/90
B. 160/100
C. 180/110
D. 190/120
Answer: C
Rationale: BP >180/110 is disqualifying until controlled.
1. The primary purpose of the DOT medical exam is to:
A. Ensure drivers meet company fitness requirements
B. Screen for chronic illnesses only
C. Evaluate driver physical fitness for safe commercial driving
D. Provide treatment to commercial drivers
Answer: C
Rationale: DOT exams ensure a driver's medical fitness to
safely operate a commercial motor vehicle.
2. What is the minimum visual acuity standard for a DOT
medical card with corrective lenses?
A. 20/10
B. 20/20
C. 20/40
D. 20/60
Answer: C
Rationale: DOT requires at least 20/40 acuity in each eye with
or without correction.
,3. The minimum acceptable horizontal visual field per eye for
DOT certification is:
A. 50 degrees
B. 70 degrees
C. 90 degrees
D. 140 degrees
Answer: D
Rationale: DOT mandates at least 70 degrees in each eye,
totaling 140 degrees field.
4. Commercial drivers with insulin-treated diabetes must
provide:
A. No documentation
B. A letter from an ophthalmologist only
C. An Insulin-Treated Diabetes Mellitus (ITDM) MCSA-5870 form
D. A hemoglobin test only
Answer: C
Rationale: The ITDM form verifies proper diabetes
management for safe driving.
5. A DOT examiner must report medical exam results to
FMCSA within:
,A. 24 hours
B. 5 days
C. 10 days
D. 15 days
Answer: C
Rationale: Medical examiners are required to upload results
within 10 days.
6. The maximum certification period for a healthy driver is:
A. 6 months
B. 1 year
C. 2 years
D. Lifetime
Answer: C
Rationale: A driver meeting all medical standards can be
certified for up to 2 years.
7. A driver with blood pressure of 150/90 falls under which
category?
A. Normal
B. Stage 1 hypertension
C. Stage 2 hypertension
D. Disqualifying
, Answer: B
Rationale: 140–159 systolic or 90–99 diastolic is Stage 1
hypertension.
8. A driver with Stage 1 hypertension (150/92) may be
certified for up to:
A. 2 years
B. 1 year
C. 3 months
D. Disqualified
Answer: B
Rationale: Stage 1 hypertension allows up to 1-year
certification.
9. What is the maximum BP for a driver to be certified (even
temporarily)?
A. 140/90
B. 160/100
C. 180/110
D. 190/120
Answer: C
Rationale: BP >180/110 is disqualifying until controlled.
