Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 10, Problem 7RQ
Summary Introduction
To determine:
The most useful fiber type for a long-distance runner.
Introduction:
The muscle fibers are divided on the basis of energy production process and the rapidness of contraction. This rapidness depends upon the efficiency of fibers to break adenosine triphosphate (ATP) in order to obtain energy for muscle contraction. Slow oxidative, fast oxidative, and fast glycolytic are the three divisions of muscle fibers.
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Which fiber type would be the most useful in the leg muscles of a long-distance runner? (a) fast glycolytic, (b) slow glycolytic, (c) fast oxidative.
Which is true for striated muscles?
a) may have spontaneous activity
b) is not under the control of the will
c) many cell nuclei, located below the membrane, in each muscle fiber.
Fast twitch muscle fibers are
characterized by all of the following
EXCEPT:
a) fatigue resistant
O b) direct relationship to the
anaerobic energy system
O c) rapid contraction
O d) used in sprinting
Chapter 10 Solutions
Human Anatomy
Ch. 10 - What structural similarities are shared by all...Ch. 10 - Prob. 2CYUCh. 10 - Prob. 3CYUCh. 10 - What are the functional definitions of the origin...Ch. 10 - Place the following structures in order from...Ch. 10 - Which myofilaments are found only in the A band?Ch. 10 - Prob. 7CYUCh. 10 - Prob. 8CYUCh. 10 - Prob. 9CYUCh. 10 - Prob. 10CYU
Ch. 10 - Prob. 11CYUCh. 10 - Prob. 12CYUCh. 10 - Prob. 13CYUCh. 10 - Prob. 14CYUCh. 10 - The connective tissue that lies just outside the...Ch. 10 - Prob. 2RQCh. 10 - Prob. 3RQCh. 10 - Prob. 4RQCh. 10 - Prob. 5RQCh. 10 - Prob. 6RQCh. 10 - Prob. 7RQCh. 10 - Prob. 8RQCh. 10 - Prob. 9RQCh. 10 - Prob. 10RQCh. 10 - Prob. 11RQCh. 10 - Prob. 12RQCh. 10 - Define motor unit.Ch. 10 - List the structural differences between the three...Ch. 10 - Cindy Wong was a good anatomy student, but she...Ch. 10 - Prob. 16RQCh. 10 - Prob. 17RQCh. 10 - Where is titin located, and what are its...Ch. 10 - What is the general distribution of skeletal...Ch. 10 - Prob. 1CRCAQCh. 10 - Prob. 2CRCAQCh. 10 - Chickens are capable of only brief bursts of...Ch. 10 - Takashi, an osteopathic physician, saw that Mrs....Ch. 10 - Why are muscle infections relatively rare...Ch. 10 - As a sprinter, Lateesha knew that the best way to...Ch. 10 - Prob. 7CRCAQCh. 10 - Prob. 8CRCAQCh. 10 - Prob. 9CRCAQ
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- What are the structural and functional differences between slow and fast muscle?arrow_forwardSkeletal muscle has several distinct fiber types. Type I is used primarily for aerobic activity, whereas type II b is specialized for short, intense bursts of activity. How could you distinguish between these types of muscle fiber if you viewed them with an electron microscope?arrow_forwardSkeletal muscle has several distinct fiber types. Type I is used primarily for aerobic activity, whereas type IIb is specialized for short, intense bursts of activity. How could you distinguish between these types of muscle fiber if you viewed them with an electron microscope?arrow_forward
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- Slow twitch muscle fibers are characterized by all of the following EXCEPT: O a) used in endurance type of activities O b) contract rapidly and forcefully Oc) resistant to fatigue O d) have a direct relationship to the oxidative energy systemarrow_forwardIn muscle cells, magnesium ions compete with calcium ions for binding sites on troponin molecules. If a person has too high a concentration of magnesium ions in the blood, magnesium ions can prevent calcium ions from binding troponin. A) What effect would this have on muscle contraction (strengthen, weaken, or no effect)? B) Use your knowledge of how muscle fibers contract to explain your answer in part A.arrow_forwardWhich of the following causes ( the state of ) rigor in skeletal muscle ?a) lack of atp b) decrease of intracellular ca2plus c) increase in intracellular ca2+ d) lack of action potential in motor neuronsarrow_forward
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