Many healthcare agencies require that its employees keep up with an immunization calendar.
a vaccination appointment.
an immunization schedule.
a vaccination calendar.

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.