Donte has been having difficulty with sleeping and feeling rested lately. His doctor decides to send him for a polysomnographic evaluation to assess different physical functions that are occurring during his sleep time. One of them, called an , will measure the eye movements that take place during his sleep and this will help determine whether or not he is entering a REM stage while he sleeps and, if so, for how long.

A. hannah wants to improve her cardiorespiratory fitness levels, so she begins to alternate running on a flat track with running up stadium stairs. this principle is known as a type b tedium c time d frequency 2. charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? a lifting weights b walking from one class to another c running in a 5k race d riding a bike at a leisurely pace 3. felicia just began running this past month, but since she continues to run the exact same route and exact same distance every day, she is growing bored with her runs. this principle is known as a tedium b progression c specificity d reversibility