How long can people be exposed to the TLV/STEL of a substance without ill effect?
a. 1 hour per day
b. Any exposure, no matter how short, may result in ill effects
c. 15 minutes
d. 8 hours per day, up to a maximum of 40 hours per week
Ans; c. 15 minutes
Health Professions
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Diffusion is:
a. A gaseous substance dissolving in a liquid substance b. The active transport of gas with energy expended c. The movement of a gas from a higher pressure to a lower pressure across a semipermeable membrane d. The movement of a gas from a lower pressure to a higher pressure across a semipermeable membrane
Health Professions
MPFS is the abbreviation for the
A. Medical Physician Funding Schedule. B. Medicare Physician Fee Schedule. C. Medicare Physician Funding Schedule. D. Medical Physician Fee Schedule.
Health Professions