Laboratory Manual for Human Anatomy
5th Edition
ISBN: 9781259683831
Author: Eric Wise, Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Chapter 10, Problem 6TOF
Summary Introduction
To Determine:
Whether the given statement is true or false.
Introduction:
Muscle is a bundle or band of fibrous tissue present in a human or animal body. It can contract and move in preserving the position of body parts. The ligament can be defined as a short band of flexible, tough, and fibrous connective tissue. It joins two cartilages or bones or holds together a joint.
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Students have asked these similar questions
For the following five events, which is the correct sequence that describes the excitation and contraction of a skeletal muscle fiber?
1.
Tropomyosin shifts, exposing the myosin-binding sites on actin.
2.
Calcium is released from the sarcoplasmic reticulum and binds to the troponin complex.
3.
An action potential is propagated down the transverse tubules.
4.
Cycles of myosin cross-bridge formation and breakdown cause the thin filaments to slide toward the center of the sarcomere.
5.
An action potential in a motor neuron causes the axon to release acetylcholine, which triggers an action potential in a muscle fiber.
1 → 2 → 3 → 4 → 5
3 → 2 → 4 → 1 → 5
2 → 1 → 3 → 5 → 4
5 → 3 → 2 → 1 → 4
4 → 3 → 1 → 2 → 5
Discuss what happens to each of the following to allow for skeletal muscle relaxation: ACh, action potential, Ca2+ concentration in sarcoplasm, and troponin-tropomyosin complex.
Give an account of the excitation-contraction coupling (Figure 3) in skeletal muscle fibers.
Highlight the role of dihydropyridine receptors and ryanodine receptors and the fate of
A detailed description of the cross bridge cycle is not
calcium ions after contraction.
necessary.
-Axon teminal of
(=)
somatic motor neuron
ACh
Muscle fiber
potential
Pion
++
Action potential-
Na
Motor end plate-
T-tubule
Sarcoptasmic reticulum
lellll
Ca2+
DHP
receptor
Tropomyosin
Troponin
z disk
Actin
M line
Myosin
head
Myosin thick filament
Chapter 10 Solutions
Laboratory Manual for Human Anatomy
Ch. 10.1 - What general function of muscular tissue...Ch. 10.1 - What are the basic structural differences between...Ch. 10.1 - Prob. 3BYGOCh. 10.1 - State five special properties of muscular tissue...Ch. 10.2 - Prob. 1AWYKCh. 10.2 - Prob. 5BYGOCh. 10.2 - Prob. 6BYGOCh. 10.2 - Answer the following questions to test your...Ch. 10.2 - Answer the following questions to test your...Ch. 10.2 - Answer the following questions to test your...
Ch. 10.2 - Prob. 10BYGOCh. 10.2 - Answer the following questions to test your...Ch. 10.3 - Prob. 12BYGOCh. 10.3 - Prob. 13BYGOCh. 10.3 - Prob. 14BYGOCh. 10.3 - Answer the following questions to test your...Ch. 10.3 - Prob. 16BYGOCh. 10.3 - Prob. 17BYGOCh. 10.4 - Prob. 1AWYKCh. 10.4 - What role does the sarcoplasmic reticulum play in...Ch. 10.4 - Prob. 19BYGOCh. 10.4 - Prob. 20BYGOCh. 10.4 - Answer the following questions to test your...Ch. 10.4 - Prob. 22BYGOCh. 10.5 - Prob. 23BYGOCh. 10.5 - Prob. 24BYGOCh. 10.5 - Prob. 25BYGOCh. 10.5 - Prob. 26BYGOCh. 10.6 - Answer the following questions to test your...Ch. 10.6 - What is the principal difference between the way...Ch. 10.6 - Prob. 29BYGOCh. 10.6 - Prob. 30BYGOCh. 10.6 - Prob. 31BYGOCh. 10 - The scope of myology and of the term muscular...Ch. 10 - Differences between skeletal, cardiac, and smooth...Ch. 10 - Muscle Types and Functions (p. 236) The multiple...Ch. 10 - Five physiological properties that muscle cells...Ch. 10 - General Anatomy of Muscles (p. 237) The tissues...Ch. 10 - General Anatomy of Muscles (p. 237) The...Ch. 10 - General Anatomy of Muscles (p. 237) The separation...Ch. 10 - General Anatomy of Muscles (p. 237) Orientation of...Ch. 10 - General Anatomy of Muscles (p. 237) The difference...Ch. 10 - General Anatomy of Muscles (p. 237) How an...Ch. 10 - General Anatomy of Muscles (p. 237) The...Ch. 10 - General Anatomy of Muscles (p. 237) Some muscle...Ch. 10 - General Anatomy of Muscles (p. 237) The meaning of...Ch. 10 - General Anatomy of Muscles (p. 237) The functional...Ch. 10 - General Anatomy of Muscles (p. 237) The...Ch. 10 - General Anatomy of Muscles (p. 237) The...Ch. 10 - General Anatomy of Muscles (p. 237) How to...Ch. 10 - Prob. 10.2.14AYLOCh. 10 - The internal ultrastructure of a skeletal muscle...Ch. 10 - The relationship between myofilaments, myofibrils,...Ch. 10 - Prob. 10.3.3AYLOCh. 10 - Prob. 10.3.4AYLOCh. 10 - Prob. 10.3.5AYLOCh. 10 - Prob. 10.3.6AYLOCh. 10 - Prob. 10.3.7AYLOCh. 10 - Prob. 10.3.8AYLOCh. 10 - Prob. 10.3.9AYLOCh. 10 - The structure of a neuromuscular junction and the...Ch. 10 - Prob. 10.3.11AYLOCh. 10 - The components of a motor unit; what is meant by...Ch. 10 - Prob. 10.3.13AYLOCh. 10 - Prob. 10.4.1AYLOCh. 10 - Prob. 10.4.2AYLOCh. 10 - Prob. 10.4.3AYLOCh. 10 - Prob. 10.4.4AYLOCh. 10 - Prob. 10.4.5AYLOCh. 10 - Prob. 10.4.6AYLOCh. 10 - Prob. 10.4.7AYLOCh. 10 - Prob. 10.4.8AYLOCh. 10 - Cardiac and Smooth Muscle (p. 254) The structure...Ch. 10 - Prob. 10.5.2AYLOCh. 10 - Prob. 10.5.3AYLOCh. 10 - Prob. 10.5.4AYLOCh. 10 - Prob. 10.5.5AYLOCh. 10 - Prob. 10.5.6AYLOCh. 10 - Prob. 10.6.1AYLOCh. 10 - Prob. 10.6.2AYLOCh. 10 - Prob. 10.6.3AYLOCh. 10 - The mode of inheritance and pathology of muscular...Ch. 10 - Prob. 10.6.5AYLOCh. 10 - Prob. 1TYRCh. 10 - Muscle cells must have all of the following...Ch. 10 - Prob. 3TYRCh. 10 - Prob. 4TYRCh. 10 - Which of the following muscle proteins is not...Ch. 10 - Prob. 6TYRCh. 10 - Prob. 7TYRCh. 10 - Single-unit smooth muscle cells can stimulate each...Ch. 10 - Prob. 9TYRCh. 10 - Prob. 10TYRCh. 10 - Prob. 11TYRCh. 10 - Prob. 12TYRCh. 10 - Prob. 13TYRCh. 10 - Prob. 14TYRCh. 10 - Prob. 15TYRCh. 10 - Prob. 16TYRCh. 10 - Prob. 17TYRCh. 10 - Prob. 18TYRCh. 10 - Prob. 19TYRCh. 10 - A wave of contraction passing along the esophagus...Ch. 10 - Prob. 1BYMVCh. 10 - Prob. 2BYMVCh. 10 - Prob. 3BYMVCh. 10 - State a meaning of each word element and give a...Ch. 10 - Prob. 5BYMVCh. 10 - Prob. 6BYMVCh. 10 - Prob. 7BYMVCh. 10 - Prob. 8BYMVCh. 10 - Prob. 9BYMVCh. 10 - Prob. 10BYMVCh. 10 - Prob. 1TOFCh. 10 - Prob. 2TOFCh. 10 - Prob. 3TOFCh. 10 - Determine which five of the following statements...Ch. 10 - Prob. 5TOFCh. 10 - Prob. 6TOFCh. 10 - Prob. 7TOFCh. 10 - Prob. 8TOFCh. 10 - Prob. 9TOFCh. 10 - Prob. 10TOFCh. 10 - In a baseball game, the pitcher hits the batter in...Ch. 10 - Prob. 2TYCCh. 10 - Prob. 3TYCCh. 10 - Prob. 4TYCCh. 10 - Prob. 5TYC
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- Explain why (a) calcium ions and (b) ACh are vital for muscle contraction.arrow_forwardFigure 38.37 Which of the following statements about muscle contraction is true? The power stroke occurs when ATP is hydrolyzed to ADP and phosphate. The power stroke occurs when ADP and phosphate dissociate from the myosin head. The power stroke occurs when ADP and phosphate dissociate from the actin active site. The power stroke occurs when Ca2+ binds the calcium head.arrow_forwardDescribe the three steps (in detail) and the regions where these steps occur required for a skeletal muscle contraction to occur. Diagram(s) is (are) encouraged.arrow_forward
- Which of the following step(s) about the excitation of skeletal muscle is/are incorrect? 1. Acetylcholine is released and binds to motor end plate receptors 2. An action potential is created and moves down T-tubules 3. Calcium is released from the sarcoplasmic reticulum 4. Calcium ions bind to tropomyosin to shift troponin off the binding sites for cross-bridging 5. Myosin forms cross-bridges and binds with actin to pull it towards middle of sarcomerearrow_forwardIn order to study and understand muscle diseases, one needs to have a good understanding of normal muscle function. Briefly outline the process of cross-bridge cycling in muscle contraction. Be sure to highlight the role of Ca2+ and ATP/ADP in the process.arrow_forwardArrange the following in statements in the order that they occur during muscle contraction: 1-10 ACh leaves the synaptic knob and enters the synaptic cleft The action potential is carried deep into the muscle cell by T tubules The muscle cell relaxes and lengthens Myosin binds to and pulls on actin, resulting in muscle shortening Calcium attaches to troponin As calcium re-enters the sarcoplasmic reticulum, its concentration at the myofilaments decreases Calcium is released from the sarcoplasmic reticulum Tropomyosin rolls out of the way, exposing actin ACh diffuses across the synaptic cleft and attaches to protein receptors on the sarcolemma, resulting in muscle "excitation" Na+ enters the muscle cell and K+ exits, resulting in an action potentialarrow_forward
- name the details of how an action potential is transfered from a motor neuron to muscle fibers {name structure and neurotransmitters) where is calcium released from (near the contractcle proteins)? what is the function of calcium and ATP at the sacomere?arrow_forwardA motor unit is site of interaction between a motor neuron and the muscle fiber that it is innervating. true or false?arrow_forwardWhich statement or statements describe the role of calcium in the stimulation of muscle fibers? Select all that apply. When the action potential reaches the axon terminals of a neuron, calcium channels open and calcium floods into the axon terminal, triggering the release of synaptic vesicles. When calcium ions flood out of the sarcoplasmic reticulum, they bind troponin molecules and troponin removes tropomyosin from the active sites on thin filaments. When myosin thick filaments are walking along actin thin filaments (the cross bridge cycle), calcium ions must be available to bind to myosin so that it can let go of the thin filaments and take another "step". When synaptic vesicles fuse with the plasma membrane of axon terminals, calcium is released into the synaptic cleft and binds to receptors in the motor end plate.arrow_forward
- When motor units are recruited to participate in tension development in a muscle, the order of recruitment is typically: Question 13 options: from slow twitch to fast twitch from fast twitch to slow twitch it depends on the type of contraction related to the size and shape of the musclearrow_forwardIdentify the significance of the following molecules/substances in muscle contraction. Voltage-gated sodium channels Nicotinic receptors T tubules Tropomyosin Myosin active sitearrow_forwardMyosin filaments iterdigitate with actin filaments in order to bring about muscle contraction. Provide below the 5 steps that are required for Myosin to move along actin.arrow_forward
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