3. A condition known as Fibrodysplasia Ossificans Progressiva is a rare and genetic disease where the muscles of an individual turn into bones – hence giving it a name “stone man syndrome”. What do you think will happen to the physiology of an individual if all of the muscles present in his chest calcified? Explain your answer comprehensively

3. A condition known as Fibrodysplasia Ossificans Progressiva is a rare and genetic disease where the muscles of an individual turn into bones – hence giving it a name “stone man syndrome”. What do you think will happen to the physiology of an individual if all of the muscles present in his chest calcified? Explain your answer comprehensively

Fundamentals of Sectional Anatomy: An Imaging Approach

2nd Edition

ISBN:9781133960867

Author:Denise L. Lazo

Publisher:Denise L. Lazo

Chapter4: Neck

Section: Chapter Questions

Problem 7RQ

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3. [Essay] Do you know "IceBucket challenge"? The purpose of this public welfare activity is to help the patients with amyotrophic lateral sclerosis. The main symptom of amyotrophic lateral sclerosis is that the muscles of the patients gradually shrink until they die. However, not all muscles of the patients with amyotrophic lateral sclerosis are atrophic. Combined with the knowledge of muscle tissue we have learned, please talk about the types of muscle tissue, and what are the differences in the structure and function of these muscle tissues? What type of muscle atrophy in patients with amyotrophic lateral sclerosis?
1. With age, the collagen-containing connective tissue coverings of skeletal muscles increase and the number of muscle fibers decreases. Is meat from an older or a younger animal more tender? Explain. 2. Weight training increases muscle fiber size by increasing the number of myofibrils. Explain. 3. The diaphragm is a muscle that controls inspiration. Is control of the diaphragm voluntary, involuntary, or both? Explain.
2. Describe the gross and microscopic anatomy of a muscle using the terms whole muscle, sarcomere, myofilament (actin and myosin), endomysium, perimysium, epimysium, sarcolemma, fascicle, muscle fiber, myofibril, and tendon appropriately. Identify these structures in an image.
Which of the following statements relating to the developmental aspects of muscles is false? a. All muscle tissue types arise from myoblasts b. Skeletal muscles become amitotic while smooth muscles regenerate throughout life c. Sarcopenia begins by age 30 and is irreversible d. Body strength per unit muscle mass is the same in both sexes e. none of the above Which of the following structures is located in the head region of the thick filament myosin? a. actin binding site b. ATP binding site c. ATPase enzyme d. all of the above e. none of the above
1. Identify the longest muscles in the body and outline the two major joint it crosses 2. In terms of ions and charges, with a well label diagram describe: a. Polarization b. Depolarization c. Repolarization 3. Name these parts of the neuromuscular junction: a. The membrane of the muscle fiber b. The end of the motor neuron c. The space between neuron and muscle cell
2. Compare and contrast the characteristics of skeletal, smooth and cardiac muscles and identify their locations in the body.
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3. Compare the structure and function of skeletal, cardiac, and smooth muscles. Include similarities and differences. Mention summation, gradation, speed of contraction, fatigue, sarcomeres,
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23. Which of the following statements about the connective sheath of skeletal muscle is true? a. the endomysium wraps around every single muscle fiber b. the perimysium wraps around groups of muscle fibers c. the epimysium wraps around the whole muscle organ d. all of the above e. none of the above
8. Neurons release acetylcholine, which binds to receptors on muscle cell membranes, stimulates an action potential in the muscle cell, and causes the muscle to contract. This statement is true false 9. Under muscle contraction, action potentials are carried along T tubules to the sarcoplasmic reticulum, where they cause the release of sodium ions. This statement is true false 10. In the sliding-filament model, the myosin molecules bend, causing the actin molecules to slide past. This statement is true false
10. When lifting something heavy it is recommended to keep a straight back, let your legs do the work, and engage the muscles of the ....... region to act as antagonist muscles and decrease the risk of injury to the back.