Choose the incorrect statement about skeletal muscle. Question 3 options: Skeletal muscle is made from thousands of muscle fibres running along the length of the muscle. Each myofibril contains repeating patterns of sarcoplasmsic reticulum, giving muscle tissue its typical striated pattern. Each individual fibre in a muscle is a single cell containing multiple nuclei. Within in each fibre, there are longitudinal myofibrils made up from thin and thick filaments.

QUESTION 8 How does the nervous system grade the force of muscle contraction? O a. Only by recruiting additional motor units O b. Only by varying the firing rate of the motor neurons O c. By varying the firing rate of the motor neurons and by recruiting additional motor units O d. By using more motor neuron pools

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Question one: Which of the following is TRUE concerning motor units? Group of answer choices None of these choices accurately describes a motor unit A motor unit consists of a motor neuron and all of the muscle fibers it innervates A motor unit consists of a motor neuron and all of the muscle cells within the epimysium A motor unit consists of a motor neuron and all of the skeletal muscle fibers connected by gap junctions pick one answer only   question 2: A person is getting their blood type tested. The addition of anti-B antibodies causes agglutination, but not the addition of anti-A antibodies. The individual's blood type is type A type AB type B type O pick one answer only

Question 13 34. Identify the muscle indicated by the tag # 34. 35. State two actions of the muscle indicated by the tag # 34. 36. Identify the structure/ white line indicated by the tag #36.

Question 26 65. Identify two actions of the muscle with its origin at tag #65. 66. Identify the muscle that has its origin at tag #66. 65 66

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Question 2 and 3a

What are 3 research-based methods to test for fast- versus slow-twitch muscle fibers?   Select 3 correct answer(s)     Bicep curl repetitions   Vertical jump   Muscle biopsy   Long jump   80% 1RM

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