Ch9 - SHORT ANSWER Write the word or phrase that best completes each statement or answers the question Figure 9.1 Using Figure 9.1 match the

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Unformatted text preview: SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question Figure 9.1 Using Figure 9.1, match the following: 1) Endomysium. 1) 2) Fascicle. 2) 3) The tissue that binds muscles into functional groups. 3) 4) Perimysium. 4) 5) Muscle fiber. 5) 1 Figure 9.2 Using Figure 9.2, match the following: 6) I band. 6) 7) H zone. 7) 8) A band. 8) 9) Z disc. 9) 10) M line. 10) MATCHING. Choose the item in column 2 that best matches each item in column 1 Match the following: 11) Depends on oxygen delivery and aerobic mechanisms. 12) Have very fast- acting myosin ATPases and depend upon anaerobic metabolism during contraction. 13) Red fibers, the smallest of the fiber types. A) Slow (oxidative), fatigue- resistant fibers B) Fast (oxidative or glycolytic), fatigable fibers 11) 12) 13) 2 14) Contain abundant amounts of glycogen. 15) Abundant in muscles used to maintain posture. 16) A relatively high percentage are found in successful marathon runners. A) Slow (oxidative), fatigue- resistant fibers B) Fast (oxidative or glycolytic), fatigable fibers 14) 15) 16) Match the following: 17) The stimulus above which no stronger contraction can be elicited, because all motor units are firing in the muscle. 18) The phenomenon in which the contraction strength of a muscle increases, due to increased Ca 2+ availability and enzyme efficiency during the warm- up. 19) Continued sustained smooth contraction due to rapid stimulation. 20) The situation in which contractions become stronger due to stimulation before complete relaxation occurs. 21) How a smooth increase in muscle force is produced. A) Wave summation B) Multiple motor unit summation C) Tetanus D) Treppe E) Maximal stimulus 17) 18) 19) 20) 21) Match the following: 22) A sarcomere is the distance between two ________. 23) The ________ contains only the actin filaments. 24) The thicker filaments are the ________ filaments. 25) Both actin and myosin are found in the ________. 26) The myosin filaments are located in the ________. A) I band B) A band C) Myosin D) Z discs 22) 23) 24) 25) 26) 3 Match the following: 27) Serves as the actual "trigger" for muscle contraction by removing the inhibition of the troponin molecules. 28) A neurotransmitter released at motor end plates by the axon terminals. 29) Diffusion across the cell membrane results in depolarization. 30) Activate synaptic vesicles in axon terminals. 31) Used to convert ADP to ATP by transfer of a high- energy phosphate group. A reserve high- energy compound. 32) Destroys ACh. A) Sodium- potassium ions B) Acetylcholine C) Calcium ions D) Acetylcholinesterase E) Creatine phosphate 27) 28) 29) 30) 31) 32) TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false....
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This note was uploaded on 04/06/2011 for the course MGMT 543 taught by Professor Staff during the Spring '08 term at New Mexico.

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Ch9 - SHORT ANSWER Write the word or phrase that best completes each statement or answers the question Figure 9.1 Using Figure 9.1 match the

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