Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 9, Problem 2MC
Summary Introduction
To determine:
The term “Fascicle” is:
(a) Muscle
(b) Bundle of muscle fibers enclosed by a connective tissue sheath
(c) Bundles of myofibrils
(d) Group of myofilaments
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The connective tissue that lies just outside the sarcolemma of an individual muscle cell is called the (a) epimysium, (b) perimysium, (c) endomysium, (d) endosteum.
In skeletal muscle, the sarcolemma is directly covered by:
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Distinguish between (a) direct and indirect muscle attachments and (b) a tendon and an aponeurosis.
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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- How does a tendon differ from a ligament?arrow_forwardA skeletal muscle contains, (a) connective tissues. (b) blood vessels and nerves.(c) skeletal muscle tissue. (d) a, b, and c are correctarrow_forward(a) What are myofibrils? (b) Which components of the sarcoplasm separate the myofibrils in a fiber from one another?arrow_forward
- A muscle whose fascicles are arranged at an angle to a central longitudinal tendon has this arrangement: (a) circular, (b) longitudinal, (c) parallel, (d) pennate, (e) convergent.arrow_forwardWatch this video (http://openstaxcollege.org/l/micromacro) to learn more about macro- and microstructures of skeletal muscles. (a) What are the names of the “junction points” between sarcomeres? (b) What are the names of the “subunits” within the myofibrils that run the length of skeletal muscle fibers? (c) What is the “double strand of pearls” described in the video? (d) What gives a skeletal muscle fiber its striated appearance?arrow_forward(a) Describe the roles of ATP in the sliding filament mechanism of skeletal muscle contraction. (b) Describe the basic sequence of events that occurs as an action potential arrives at the neuromuscular junction and is transmitted to the muscle cell for contraction.arrow_forward
- (a) Describe the structure of a sarcomere and indicate the relationship of the sarcomere to myofilaments. (b) Explain the sliding filament model of contraction using appropriately labeled diagrams of a relaxed and a contracted sarcomere.arrow_forwardMatch the level of skeletal muscle organization given in the key with its description:Key:(a) muscle (b) fascicle (c) fiber (d) myofibril (e) myofilament__(1) rod-shaped organelle; made of sarcomeres__(2) an organ__(3) a bundle of cells__(4) a group of large molecules__(5) a cellarrow_forward3) List and define the organizational structure of skeletal muscle beginning with the sacrcomere up ABC to a whole muscle. 4) Explain the differences between the zones and bands of a sarcomere. 5) List and explain the differences between contractile and non-contractile proteins. 6) What are the agonists, synergists, and antagonists to go from sitting to standing from a chair. 7) Provide an every day example of each of the 3 types of muscle actions. Name the muscle involved as well as the movement. 8) Why do we store energy as ATP and resynthesize it, instead of just storing all we need. 9) What are the differences between resting, steady state, and maximal metabolic rate? 10) Why would someone measure arm circumference? How would that be helpful? 11) MRI results in a grayscale of 0 (black) to 256 (white) for each pixel of tissue. How do we tell the difference between different types of tissue in the cross section of a limb (arm or leg, e.g. what's the difference between muscle and fat,…arrow_forward
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