You are working with a client who weighs 180 lbs with a body-fat percentage of 20%. What will his approximate weight be when he reaches his goal of 15% body fat, assuming that his lean body mass remains constant? A. 144 lbs
B. 149 lbs
C. 169 lbs
D. 175 lbs

Ican only answer your first question, a machine is like a human body because it's a little similar. they both almost work like the same.

It starts with commitment. the health and safety policy is the commitment by the employer to provide and maintain a safe workplace. the commitment of the workforce is also a necessary component.when the workplace parties sit down to develop an ergonomic approach to patient handling, they will develop terms of reference that set forth how the health and safety committee will function in approaching this problem and reach its goal of reduced injuries.in general, a safe patient handling program will involve the following steps: management approval and commitment to develop and implement a patient handling program.perform a needs analysis.create and standardize patient assessment criteria.develop decision trees to standardize actions.determine which controls are needed to implement specific tasks or patient needs.institute a "no-lift" policy, where possible.