A driver is taking Streptomycin for the treatment of chronic tuberculosis. His history reveals that he has not been symptomatic within the past year. He reports no significant fatigue and is examination findings are unremarkable. He provides a note from his treating physician that indicates that he may drive a truck. Office notes including his most recent X-ray, and pulmonary function tests are also provided for the examiners review. The X-ray shows a few discrete nodules, without any other abnormal findings. The PFT has an FEV1 of 75, FVC of 70 and an FEV/FVC ration of 75. The examiner should:
a) Certify the driver for 1 year
b) Certify the driver for 2 years
c) Disqualify the driver
d) Request additional information regarding any recent tuberculin skin testing performed on the driver to determine if it is active or inactive.