unit 7 hygiene

            Question 1       

1. Summarize  the three readings that are used for the wet bulb globe temperature  (WBGT) evaluation of thermal stress in the workplace. Explain what each  of the three measurements assesses about thermal stress, and discuss how  the readings are evaluated using the two WBGT formulae.
   
   Your answer must be a minimum of 75 words in length.    

            Question 2       

1. Provide  a definition and a brief explanation of each of the following meters,  and detail how each meter might be used to evaluate physical hazards in  the workplace: dynamometer, accelerometer, and goniometer.
   
   Your answer must be a minimum of 75 words in length.    

            Question 3       

1. Briefly  describe the method you would use to evaluate the risk of a  musculoskeletal disorder (MSD) at an operation where a worker on an  assembly line uses a pneumatic screwdriver to repetitively insert a  screw into a door panel. Discuss how your method can affect the accuracy  and precision of your data.
   
   Your answer must be a minimum of 75 words in length.   

            Question 4       

1. Describe  the specific method you would use to evaluate a nurse's exposure to  x-ray radiation while performing diagnostic tests at a clinic. Explain  how your method works, why you would choose that method, and the  benefits and weaknesses of that method, including how your method will  affect the accuracy and precision of the data.
   
   Your answer must be a minimum of 75 words in length.