What is the term for the precision of a laser beam and is based on the area exposed, the time activated, and the power setting?

Levator scapulae is deep to:

a. Erector spinae b. Trapezius c. Pectoralis major d. Infraspinatus

Frank Karb has worked as a coal miner for 20 years. He presents today with asthma-like symptoms. He states that he has had these symptoms for a number of weeks. It is determined that he has miner's asthma. Select the correct code(s) for this case