PEX-02-01 - Exercise 2: Skeletal Muscle Physiology:...

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Exercise 2: Skeletal Muscle Physiology: Activity 1: The Muscle Twitch and the Latent Period Lab Report Pre-lab Quiz Results You scored 80% by answering 4 out of 5 questions correctly. 1. Skeletal muscles are connected to bones by You correctly answered: b. tendons. 2. Skeletal muscles are composed of hundreds to thousands of individual cells called You correctly answered: c. fibers. 3. The term motor unit refers to Your answer : a. all of the motor neurons that innervate one skeletal muscle. Correct answer: c. one motor neuron and all of the skeletal muscle fibers it innervates. 4. The motor neuron and muscle fiber intersect at what is called You correctly answered: d. the neuromuscular junction. 5. A twitch is You correctly answered: a. one contractile response to a single action potential. 010/05/11 page 1
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010/05/11 page 2 Experiment Results Predict Question: Predict Question: Will changes to the stimulus voltage alter the duration of the latent period? Your answer : a. Yes, changing the stimulus voltage will change the latent period duration proportionately.
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This note was uploaded on 02/06/2012 for the course ZOOL 2304 taught by Professor Gollahon during the Fall '11 term at Texas Tech.

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PEX-02-01 - Exercise 2: Skeletal Muscle Physiology:...

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