Write 42 as a Roman numeral

A lateral rotation of the femur results in:

a. neutral alignment b. bow-leg effect c. knock-kneed effect d. hyperextension

Which of the following is required by the Occupational Exposure to Hazardous Chemicals in Laboratories standard?

a. a chemical hygiene plan c. a 13 Carcinogens plan b. an exposure control plan d. an ionizing radiation plan