DOT CERTIFICATION EXAM 2023-2024
ACTUAL EXAM 350 QUESTIONS AND
CORRECT ANSWERS|AGRADE
who oversees medical certification process? - ANSWER-office of medical programs
how many X more is mortality rate for passenger vehicle vs large truck, in a crash between the two? -
ANSWER-passenger vehicle 5X more likely to die
where are physical standards for drivers listed? - ANSWER-49 CFR 391.41
define CMV - ANSWER-commercial motor vehicle: any self propelled or towed MV used on a highway in
interstate commerce to transport passengers or property...10k lbs or more, 8+ passengers for $$, 15+
passengers not for $$, hazardous materials
where is CMV defined? - ANSWER-40 CFR 390.5
where are medical examiner qualifications found? - ANSWER-49 CFR 391.43
Where are general qualifications for CMV drivers found? - ANSWER-49 CFR 391.11
list non-discretionary standards - ANSWER-loss of limb, limb impairment, CV condition, respiratory
dysfunction, HTN, RA/OA/orthopedic/muscular, mental disorder, drug use, alcoholism
"average" driver demographics - ANSWER-male, 40+, sedentary, obese, smoker, poor eating habits
"average" driver medical health - ANSWER-less healthy than average citizen, 2+ medical conditions, CV
disease
list 9 occupational stressors for CMV drivers - ANSWER-type of route, schedule, finances, vehicle, road
conditions, environmental, type of cargo
,when can a driver on insulin be certified? - ANSWER-if he/she has FMCSA waiver - 49 CFR 391.64 OR
federal exemption program
FMCSA definition of "severe hypoglycemia" - ANSWER-seizure, LOC, need assistance from others,
impaired cog fxn
if severe hypoglycemia, ask if driver has had reactions how frequently? - ANSWER-1+ in last 12 months
2+ in last 5 years
what happens if driver has loss of proprioception? what about peripheral neuropathy? - ANSWER-DQ
and DQ
what if DM patient has resting tachycardia or orthostatic HOTN? - ANSWER-DQ
what if driver has silver wire, cotton patches? - ANSWER-qualify but recommend ophthalmologist yearly
what if driver has unstable retinopathy where neovascularization extends into vitreous? - ANSWER-DQ
driver uses telescopic lenses? - ANSWER-DQ
what if driver on incretin mimetics? what about other oral hypoglycemics? - ANSWER-certify for one
year
DM exemption requires a driver to: - ANSWER-annual endocrinology visit, annual optho visit, DM
education, glucose monitoring
forced whisper test - ANSWER-hear a forced whisper at no less than 5ft
audiometric testing limits - ANSWER-average hearing loss no greater than 40 decibels
,can driver wear hearing aids during forced whisper test? - ANSWER-yes
audiometer should be calibrated to what standard? - ANSWER-American National Standards Institute
(ANSI) Z24.5-1951
driver wears a hearing aid. can you do in office whisper test? what about audiometry test? - ANSWER-
yes for whisper, no for audiometry
how to calculate hearing loss? - ANSWER-determine what decibels heard at 500Hz, 1000Hz, 2000Hz in
one ear. Add the results and divide by three. Result = average hearing loss.
Audiometric testing - results? - ANSWER-qualify driver if less than 40dB hearing loss in good ear. both
ears more than 40=DQ
how to convert from International Organization for Standardization to ANSI? - ANSWER-minus 14 from
500
minus 10 from 1000
minus 8.5 from 2000
which test to do first, whisper or audiometric? - ANSWER-doesn't matter as long as one is passed, driver
is qualified
which otic diseases disqualify driver? - ANSWER-BPPV w/ Sx in last 2 months
menieres
labyrinthine fistula
nonfunctioning labyrinths
Required vision tests? - ANSWER-visual acuity (snellen/titmus), peripheral horizontal visual fields, color
vision
, Snellen visual acuity - ft away from chart and standards? - ANSWER-20 ft from chart, both eyes together
and each eye must be 20/40
peripheral field of vision test? - ANSWER-70 degrees
what colors does driver need to distinguish between? - ANSWER-green amber red
driver has retinopathy - what to do? - ANSWER-you can certify but driver must have annual medical
exam, annual optho exam
driver has unstable proliferative retinopathy - ANSWER-DQ
driver can only meet requirements for Vx in one eye - ANSWER-DQ
driver has contacts - one corrects for distance, one corrects for near acuity - ANSWER-DQ
Federal vision exempt program - ANSWER-2 years
monocular vision study - ANSWER-49 CFR 391.64, grandfathered in, driver can be certified for 1 year
you note HTN for first time in driver. what to do? - ANSWER-certify for one year, after one year, certify
for 3 months
driver had stage 1 HTN, certified for 1 yr + 3 months, now what? - ANSWER-DQ
BP = 180/110 - ANSWER-DQ, if driver gets BP down, can certify for 6 months at a time pending 3 month
interval checkups
first time stage 2 HTN, what to do? - ANSWER-certify for 3 months...after this DQ if not lowered BP
