Function Human Anatomy Content Quiz #5 Chapter 10-FALL 2016 BIOL 3150
Function Human Anatomy Content Quiz #5 Chapter 10-FALL 2016 BIOL 3150 BIOL 3150
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This 1 page Class Notes was uploaded by Emily Emmons on Monday September 26, 2016. The Class Notes belongs to BIOL 3150 at Clemson University taught by Tamara L. McNutt-Scott in Fall 2016. Since its upload, it has received 7 views. For similar materials see Functional Human Anatomy in Biology at Clemson University.
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Date Created: 09/26/16
Content Quiz #5 (Chapter 10) 1. Striations, as observed in skeletal and cardiac muscle, is due to the ______. a. Alignment of myofilaments 2. The force of skeletal muscle movement: a. Varies depending on the number of motor units activated 3. I am a long, cylindrical contractile element, as long as the muscle itself, and am composed of myofilaments. What am I? a. Myofibril 4. Pacemaker cells of cardiac and smooth muscle are initiated to contract by the Autonomic Nervous System. a. False 5. Muscle activity assists with maintaining our normal body temperature. a. True 6. Skeletal muscle can be arranged in flat sheets or layers to provide protection to organs and support their weight. a. True 7. The sliding filament theory of contraction within a skeletal muscle states that as a muscle contraction, thin filaments slide randomly with thick filaments, causing the sarcomere to shorten. a. False 8. Skeletal muscle locks into a contracted position after death (rigor mortis), this is due to ________. a. The lock of ATP, which allows myosin to release from actin. 9. Performing a dumbbell curl – upward movement, flexion of the forearm, with a 10 lb. weight: a. Is an isotonic contraction 10. Connective tissue found associated with a skeletal muscle: a. Can provide protection to skeletal fibers b. Provides a mean to distribute vasculature and nerves c. Forms the tendon, attaching muscle to bone
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