With a ppo, the beneficiary has the ability to

The Preferred Provider Organization (PPO) allows the beneficiary to select the provider of their choice or provider out of the networks.

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.