________ is the surgical tying off of the fallopian tube to prevent conception from taking place. This results in the sterilization of the female

A recommended exposure level, REL is defined as

a. An exposure level based on a time-weighted average concentration for a 40-hr workweek b. The maximum concentration of a toxic substance defined by NIOSH that an employee should be exposed to without permanent health effects. c. The exposure level based on a time-weighted average concentration for a 10-hr workday d. The time-weighted average level of exposure to a toxic substance to which workers can be exposed continuously for either an 8-hr workday or a 40-hr workweek.

Code 63301 for partial vertebral corpectomy with extradural excision of a single cervical intraspinal lesion

A) True B) False