6/22/25, 7:54
PM
DOT EXAM RESPIRATORY EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
2025
Terms in this set (30)
Allergic rhinitis Certify up to 2 years
otherwise driver
qualified
Allergic rhinitis with DO NOT CERTIFY
severe
conjunctivitis
unable to keep eyes
open, photophobia,
uncontrollable
sneezing, sinusitis
with
severe headaches
1/
10
, 6/22/25, 7:54
PM
and any medications
that cause sedation
or adverse affects
Pulse ox or ABG if PFT FEV1 is less than
65% of predicted value or FEV1/FVC ratio
is less than 65%
Driver needs a Restrictive disease carry extra studies
Pulmonary Function indicated if FVC is less than 60%, if pulse
Test for obstructive ox is less than 92% then a ABG should
and restrictive be obtained
diseases with these
parameters After ABG If driver does not have a PAO2
of at least 65% at low altitudes less than
5000 feet and at least 60% in high
altitudes over 5000 feet.
A PaCO2 of more than 45 mm Hg at any altitude.
Can someone drive NO
while using oxygen
2/
10
PM
DOT EXAM RESPIRATORY EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
2025
Terms in this set (30)
Allergic rhinitis Certify up to 2 years
otherwise driver
qualified
Allergic rhinitis with DO NOT CERTIFY
severe
conjunctivitis
unable to keep eyes
open, photophobia,
uncontrollable
sneezing, sinusitis
with
severe headaches
1/
10
, 6/22/25, 7:54
PM
and any medications
that cause sedation
or adverse affects
Pulse ox or ABG if PFT FEV1 is less than
65% of predicted value or FEV1/FVC ratio
is less than 65%
Driver needs a Restrictive disease carry extra studies
Pulmonary Function indicated if FVC is less than 60%, if pulse
Test for obstructive ox is less than 92% then a ABG should
and restrictive be obtained
diseases with these
parameters After ABG If driver does not have a PAO2
of at least 65% at low altitudes less than
5000 feet and at least 60% in high
altitudes over 5000 feet.
A PaCO2 of more than 45 mm Hg at any altitude.
Can someone drive NO
while using oxygen
2/
10
