Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 9, Problem 12MC
Myoglobin has a special function in muscle tissue. It (a) breaks down glycogen, (b) is a contractile protein, (c) holds a reserve supply of oxygen in the muscle.
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In skeletal muscle, the sarcolemma is directly covered by:
a) epimysium.
b) perimysium.
c) endomysium.
20) which of following is true regarding skeletal muscle cells?
a) All of these are properties of skeletal muscle cells
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d) they contain multiple nuclei
Which of the following statements about smooth muscle is false? (a) Smooth muscle cells are called fibers. (b) Most smooth muscle cells, like cardiac muscle cells, are joined by gap junctions. (c) Smooth muscle cells have a single, centrally located nucleus. (d) Contraction of smooth muscle is stimulated exclusively by involuntary nerves. (e) Smooth muscle tissue found in the wall of hollow organs is arranged in sheets.
Chapter 9 Solutions
Anatomy & Physiology (6th Edition)
Ch. 9.1 - When describing muscle, what does striated mean?Ch. 9.1 - Prob. 2CYUCh. 9.2 - How does the term epimysium relate to the role and...Ch. 9.3 - Which myofilaments have binding sites for calcium?...Ch. 9.3 - Which region or organelle-cytosol, mitochondrion,...Ch. 9.3 - MAKING CONNECTIONS Consider a phosphorus atom that...Ch. 9.4 - What are the three structural components of a...Ch. 9.4 - What is the final trigger for contraction? What is...Ch. 9.4 - What prevents the filaments from sliding back to...Ch. 9.4 - What would happen if a muscle fiber suddenly ran...
Ch. 9.5 - What is a motor unit?Ch. 9.5 - What is happening in the muscle during the latent...Ch. 9.5 - Prob. 13CYUCh. 9.6 - When Eric returned from jogging, he was breathing...Ch. 9.7 - List two factors that influence contractile force...Ch. 9.7 - Prob. 16CYUCh. 9.8 - How do aerobic and resistance exercise differ in...Ch. 9.9 - Compare the structures of skeletal and smooth...Ch. 9.9 - Calcium is the trigger for contraction of all...Ch. 9.9 - How does the stress-relaxation response suit the...Ch. 9.9 - MAKING CONNECTIONS Intracellular calcium performs...Ch. 9 - The connective tissue covering that encloses the...Ch. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MCCh. 9 - Contraction elicited by a single brief stimulus is...Ch. 9 - A smooth, sustained contraction resulting from...Ch. 9 - Characteristics of isometric contractions include...Ch. 9 - During muscle contraction, ATP is provided by (a)...Ch. 9 - The neurotransmitter released by somatic motor...Ch. 9 - The ions that enter the skeletal muscle cell...Ch. 9 - Myoglobin has a special function in muscle tissue....Ch. 9 - Prob. 13MCCh. 9 - The smooth muscle type found in the walls of...Ch. 9 - Name and describe the four special functional...Ch. 9 - Distinguish between (a) direct and indirect muscle...Ch. 9 - (a) Describe the structure of a sarcomere and...Ch. 9 - What is the importance of acetylcholinesterase in...Ch. 9 - Explain how a slight (but smooth) contraction...Ch. 9 - Explain what is meant by the term...Ch. 9 - Define and draw a motor unit.Ch. 9 - Describe the three distinct types of skeletal...Ch. 9 - True or false: Most muscles contain a predominance...Ch. 9 - Describe some cause(s) of muscle fatigue and...Ch. 9 - Define EPOC.Ch. 9 - Smooth muscle has some unique properties, such as...Ch. 9 - Lets continue our tale of Mrs. DeStephanos medical...Ch. 9 - Lets continue our tale of Mrs. DeStephanos medical...Ch. 9 - Lets continue our tale of Mrs. DeStephanos medical...Ch. 9 - Lets continue our tale of Mrs. DeStephanos medical...
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- Compared to other types of muscle cells, cardiomyocytes have a lot more: A) Calcium ions B) Neuromuscular Junctions C) Mitochondria D) Brute Forcearrow_forwardFast 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 sprintingarrow_forward14) after a muscle fiber has contracted, the calcium a) is secreted by the Golgi apparatus b) is chemically bound to the myofilaments c) renters the sarcoplasmic reticulum d) is destroyedarrow_forward
- Large muscle fibers that are multinucleated, striated, and voluntary are found in (a) cardiac muscle tissue. (b) skeletal muscle tissue. (c) smooth muscle tissue. (d) a, b, and c are correct.arrow_forwardWhich 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.arrow_forward27) which of the following is not a property of muscle? a) cells are non- elastic b) cells are excitable c) cells are contractile d) cells are distensiblearrow_forward
- 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_forwardWhat type of muscle fibers would you expect to find in the leg muscles of a well-trained marathon runner? a) primarily anaerobic fibers b) myoglobin-poor fibers c) very fast fibers d) fibers with many mitochondriaarrow_forwardThe muscle tissue that is striated is (a) skeletal muscle, (b) cardiac muscle, (c) smooth muscle, (d) cardiac and skeletal muscle, (e) all three types of muscle tissue.arrow_forward
- If a muscle cell had very short T-tubules, how much tension would the muscle fiber create, relative to a normal muscle fiber? Assume sarcoplasmic reticulum can still react to activity at the neuromuscular junction. a)Less tension would be created. b) No difference in tension creation. c) More tension would be created. d) No tension would be created.arrow_forwardWhat type of cells sit outside the sarcolemma of a muscle fiber but below the basement membrane of the muscle fiber and retain their ability to divide? a.) Myoblasts b.) Myostatin cells c.) Myotubes d.) Satellite cellsarrow_forwardWhich of the following statements is unique to skeletal muscle? O a) skeletal muscle has striations O b) skeletal muscle is attached to bones O c) skeletal muscle is under voluntary control O d) skeletal muscle is multinucleated O all of the above O b, c, & d but not aarrow_forward
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