QUESTION 6 A muscle organ shortens during: eccentric contraction O isometric contraction O isotonic/concentric contraction QUESTION 7 Creatine phosphate is usually broken down when a muscle cell is: at rest active QUESTION 8 Adding acetylcholinesterase to the neuromuscular junction will the muscle's ability to contract. decrease increase QUESTION 9 When a muscle atrophies, will increase. The number of mitochondria None of the other choices is correct The amount of myoglobin The percentage of fast fibers

QUESTION 6 A muscle organ shortens during: eccentric contraction O isometric contraction O isotonic/concentric contraction QUESTION 7 Creatine phosphate is usually broken down when a muscle cell is: at rest active QUESTION 8 Adding acetylcholinesterase to the neuromuscular junction will the muscle's ability to contract. decrease increase QUESTION 9 When a muscle atrophies, will increase. The number of mitochondria None of the other choices is correct The amount of myoglobin The percentage of fast fibers

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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QUESTION 6 Identify the specific kind of muscle in the image. cardiac muscle smooth muscle O skeletal muscle
11 The picture below shows a sarcomere (from muscle): Which letter best indicates the thick filament? Question 11 options: A B C D E
13 QUESTION 13 Which of the following is a characteristic of Slow-twitch (Oxidative) muscles? O A. ATP synthesis is mostly from aerobic respiration. O B. Abundant glycogen O C. Low myoglobin content O D. ATP synthesis through anaerobic respiration
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Question 4 of 16 The physiologic event that takes place at the sarcolemma of a skeletal muscle cell is the Select the correct response: propagation of an action potential. crossbridge cycling. binding of calcium by troponin. release of Ca2+.
QUESTION 3 In a contracted muscle, sarcomeres are ○ A stretched; also stretched O B. narrowed; the same OC. narrowed; stretched OD. longer, shorter where as in a relaxed muscle the sarcomeres are
Question 23 Thin Filaments contain A. Actin OB. Troponin OC. Tropomyosin OD. All of the above OE. None of the above
Hello, May I get help with these questions? Are these true or false? Why? Thank you for your help ??
Put the following events of excitation-contraction coupling in the order in which they occur.1. Excitation2. Sarcomere shortening3. Generation of muscle tension4. Neural control5. Contraction cycle begins6. Release of calcium ions Group of answer choices 1,2,5,6,3,4 4,1,5,2,6,3 6,1,4,2,5,3 4,1,6,5,2,3 1,4,6,2,5,3
Tropomyosin covers the active sites on actin until it is ready for myosin to bond for a muscle contraction. True False
Question 5 Which of these processes need ATP most? O Detachment of myosin head Release of calcium O None of these needs ATP Release of acetylcholine O Attachment of myosin head
Question 2