Answer the following statements true (T) or false (F)
1. The principle of specificity states that placing increasing amounts of stress on the body causes adaptations that improve fitness.
2. It is impossible to become an elite athlete if you have a disability.
3. The amount of exercise a person needs to improve fitness is dependent on that person's current level of fitness.
4. For most people, the optimal frequency for cardiorespiratory endurance exercise in a general fitness program is three to five days per week.
5. Cardiorespiratory endurance exercise should take place in sessions or bouts of at least 20 continuous minutes in order to build fitness.
1. False
2. False
3. True
4. True
5. False
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In the _____ skin test for TB infection, antigens from the bacteria are injected beneath the skin
Fill in the blank with the right word.
As thymocytes develop, they are classified on the basis of the state of their T-cell receptors and which of the following?
A. Which class of MHC they express on their surface B. The state of the immunoglobulin heavy and light chains on their surface C. The presence of coreceptor proteins CD4 and CD8 on their surface D. The expression of the transcription factor, FoxP3 E. None of the above
Name several careers opportunities in fitness.
What will be an ideal response?
What is the fitness activity that combines interval training, squats, squat thrusts, and martial arts moves to create camaraderie among participants?
A. boot camp B. aerobic dance C. Zumba D. step fitness E. high intensity circuit training (HICT)