1. The automatic tendency to maintain a relatively constant internal environment is called homeostasis.
True
False
2. The ATP/CP pathway is considered aerobic metabolism.
True
False
3. About 98% of the huma
...
1. The automatic tendency to maintain a relatively constant internal environment is called homeostasis.
True
False
2. The ATP/CP pathway is considered aerobic metabolism.
True
False
3. About 98% of the human body is composed of only six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and
phosphorous.
True
False
4. Mitochondria are known as the powerhouse of the cell.
True
False
5. The heart, arteries, and veins are part of the circulatory system.
True
False
6. There are 80 bones in the axial skeleton.
True
False
7. The origin is the distal attachment of a muscle.
True
False
8. Type II muscle fibers are aerobic.
True
False
9. In a concentric contraction, the muscles shorten to produce movements.
True
False
10. An antagonist muscle is one that has an action directly opposite to that of the agonist.
True
False
11. Magnitude, direction, point of application, and line of action are the four components of force.
True
False
12. Newton's third law of motion deals with force and its relationship to mass and acceleration.
True
False
13. A high development of the agonist-antagonist function is essential to the development of dynamic balance.
True
False
14. The hamstrings muscles are two-joint muscles that act at the knee and ankle.
True
15. Given certain constraints, strength is our ability to contract our muscles with maximum force.
True
False
16. The Valsalva maneuver involves expiring against a closed glottis and, when combined with contracting muscles of the
abdomen and ribcage, creates rigidity in the entire torso.
True
False
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