Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 10, Problem 24RQ
Cardiac muscles differ from skeletal muscles in that they ________.
- are striated
- utilize aerobic
metabolism - contain myofibrils
- contain intercalated discs
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In the absence of _____, a contracted skeletal muscle will not relax but will develop rigor mortis
calcium
magnesium
adenosine diphosphate
adenosine triphosphate
glucose
Smooth muscle is characterized by all of the following except _______.
Group of answer choices
has caveolae to sequester extracellular calcium
is usually in two layers circular and longitudinal to contract and relax hollow organs
there are noncontractile intermediate filaments that attach to dense bodies within the cell
neuromuscular junction
has no sarcomeres or T-tubules
Skeletal muscle cells have the ability to do all of the following EXCEPT _____.
activating other muscle cells to contract
producing force while shortening
responding to chemicals released by nerve cells
rebounding to their former length after being stretched
Chapter 10 Solutions
Anatomy & Physiology
Ch. 10 - Watch this video...Ch. 10 - Every skeletal muscle fiber is supplied by a motor...Ch. 10 - The release of calcium ions initiates muscle...Ch. 10 - Muscle that has a striped appearance is described...Ch. 10 - Which element is important in directly Triggering...Ch. 10 - Which of the following properties is not common to...Ch. 10 - The correct order for the smallest to the largest...Ch. 10 - Depolarization of the sarcolemma means ________....Ch. 10 - In relaxed muscle, the myosin-binding site on...Ch. 10 - According to the sliding filament model, binding...
Ch. 10 - The cell membrane of a muscle fiber is called...Ch. 10 - Muscle relaxation occurs when ________. calcium...Ch. 10 - During muscle contraction, the cross-bridge...Ch. 10 - Thin and thick filaments are organized into...Ch. 10 - During which phase of a twitch in a muscle fiber...Ch. 10 - Muscle fatigue is caused by ________. buildup of...Ch. 10 - A sprinter would experience muscle fatigue sooner...Ch. 10 - What aspect of creatine phosphate allows it to...Ch. 10 - Dmg X blocks ATP regeneration from ADP and...Ch. 10 - The muscles of a professional sprinter are most...Ch. 10 - The muscles of a professional marathon runner are...Ch. 10 - Which of the following statements is true? Fast...Ch. 10 - Which of the following statements is false? Slow...Ch. 10 - Cardiac muscles differ from skeletal muscles in...Ch. 10 - If cardiac muscle cells were prevented from...Ch. 10 - Smooth muscles differ from skeletal and cardiac...Ch. 10 - Which of the following statements describes smooth...Ch. 10 - From which embryonic cell type does muscle tissue...Ch. 10 - Which cell type helps to repair injured muscle...Ch. 10 - Why is elasticity an important quality of muscle...Ch. 10 - What would happen to skeletal muscle if the...Ch. 10 - Describe how tendons facilitate body movement.Ch. 10 - What are the five primary functions of skeletal...Ch. 10 - What are the opposite roles of voltage-gated...Ch. 10 - How would muscle contractions be affected if...Ch. 10 - What causes the striated appearance of skeletal...Ch. 10 - How would muscle contractions be affected if ATP...Ch. 10 - Why does a motor unit of the eye have few muscle...Ch. 10 - What factors contribute to the amount of tension...Ch. 10 - Why do muscle cells use creatine phosphate instead...Ch. 10 - Is aerobic respiration more or less efficient than...Ch. 10 - What changes occur at the cellular level in...Ch. 10 - What changes occur at the cellular level in...Ch. 10 - What would be the drawback of cardiac contractions...Ch. 10 - How are cardiac muscle cells similar to and...Ch. 10 - Why can smooth muscles conn act over a wider range...Ch. 10 - Describe the differences between single-unit...Ch. 10 - Why is muscle that has sustained significant...Ch. 10 - Which muscle type(s) (skeletal, smooth, or...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The correct order for the smallest to the largest unit of organization in muscle tissue is ________. fascicle, filament, muscle fiber, myofibril filament, myofibril, muscle fiber, fascicle muscle fiber, fascicle, filament, myofibril myofibril, muscle fiber, filament, fasciclearrow_forwardCardiac muscle is different from smooth muscle in that cardiac muscle is: acted on by the autonomic nervous system often interconnected by gap junctions under involuntary control O arranged in sarcomeresarrow_forward// _can fit between actin filaments that have ______ crosslinkers, converting them to bundles Myosin II, long, contractile Myosin I, long, contractile Myosin I, short, non-contractile O Myosin II, short, non-contractilearrow_forward
- Unlike skeletal muscle cells, cardiac muscle cells________." A do not use the sliding filament mechanism of contraction B are not striated C do not rely on an influx of Ca+2 for contraction to occur D do not require neural stimulation to contractarrow_forwardA skeletal muscle can often maintain a moderate level of active tension for long periods of time, even though many of its fibers become fatigued Explain.arrow_forwardA difference between marathon runners and sprinters is ______. sprinters perform better in activities that require slow, steady muscle activity sprinters have a high proportion of muscle fibers that require oxygen to make ATP marathon runners have more fast-twitch muscle fibers in their leg muscles marathon runners have more slow-twitch fibers in their leg musclesarrow_forward
- Cardiomyocytes differ from skeletal muscle cells in that cardiomyocytes ______. A "do not have actin, myosin, or Z-disk " B do not have their actin and myosin arranged into sarcomeres and myofibrils C cannot have action potentials at a high enough frequency for tetani to occur D have fewer mitochondria and are more reliant on anaerobic respiration E All of the above are true of heart muscle cellsarrow_forwardThe sacroplasmic reticulum must release _______ before myosin heads can attach to actin so that a muscle fiber can contract. A ATP B calcium C sodium D acetylcholinearrow_forwardSkeletal Smooth Cardiac No. of Nucleus Location of Nucleus Striations Movement Ca2+ depolarizationarrow_forward
- Smooth muscle can be found in the ____. walls of the bronchioles and blood vessels walls of the heart diaphragm synovial cavities of joints All of these structures contain smooth muscle. 2. Smooth muscle cells _____. each have a single neuromuscular junction where all of their receptors for neurotransmitter are located have receptors for neurotransmitters widely distributed over their entire membranes only respond to the neurotransmitter acetylcholine 3. An advantage of smooth muscle over skeletal muscle is that smooth muscle ____. can develop force more rapidly than skeletal muscle can shorten more rapidly than skeletal muscle…arrow_forwardThe diagram below represents the terminal cisterna in a muscle. Name and briefly explainthe function of the structures represented by A, B, C in the regulation of calcium ionsduring muscle contractionarrow_forwardwhy cardiac muscle has appearance like skeletal Muscle?in detailarrow_forward
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