Which of the listed professional organizations is considered the MOST reputable in terms of personal training certifications?
A. Gold's Gym
B. National Personal Training Association Online
C. National Strength and Conditioning Association
D. Each of these is equally reputable as certifying agencies.
Answer: C
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The small hairs that line the opening to the nose and the airways are called:
A) sinuses. B) nares. C) septa. D) cilia.
Why do action potentials travel in only one direction? Choose the correct option
A) The membrane just behind the action potential is refractory due to inactivated potassium channels. B) The membrane just behind the action potential is refractory due to inactivated sodium channels. C) The membrane proteins are destroyed when an action potential fires and it takes time to replace them. D) There is not enough sodium in the extracellular space after an action potential has just fired.
Which of the following will most likely defeat the purpose of progressive muscle relaxation?
A. Not tightening each muscle hard enough B. Doing the exercises too fast C. Not paying attention to your breathing D. Being able to perform only a partial sequence E. Holding each contraction only for about five seconds
Contrast soluble and insoluble fiber