A driver complains of slow progressive diminished distance visual acuity and glare particularly at night from oncoming headlights and decreased contrast. The most likely cause is: a. Macular degeneration. b. Cataracts. c. Glaucoma. d. Retinopathy. {Ans: b Cataract formation causes diminished visual acuity in all fields, and night glare from headlights is one of the first changes to appear. Near vision may be improved.}Epilepsy is a major concern due to risk of seizure or loss of consciousness. How many unprovoked seizures are required for a diagnosis of epilepsy? a. One. b. Two. c. There is no single definition; diagnosis is made on a case-by-case basis. {Ans: b}On an exercise tolerance test the driver should be able to exercise to a workload capacity of at least: a. 4 Metabolic Equivalents. b. 6 Metabolic Equivalents. c. 8 Metabolic Equivalents. d. 10 Metabolic Equivalents. {Ans: b}If a driver tests positive on a DOT drug test for the use of a controlled substance, he/she must do all of the following EXCEPT before the driver can be a candidate for recertification? a. Write a personal statement regarding his/her history of drug use b. Be evaluated by a substance abuse professional c. Have