• Exercise 2 Activity 1
    contractions? Your answer : a. The length of the muscle fiber is sliding into an optimal length. Correct answer: b. All the steps of excitation-contraction coupling occur. Experiment Data: Voltage 0.0 3.0 4.0 6.0 8.0 10.0 Length 75 75 75 75 75 75 Active Force 0.00 1.04 1.32 1.65 1.81 1.82 Passive Force 0.00...
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  • Phyisoex 9.0 Reveiw 2
    graded depolarization of the end-plate potential. Basically, it attaches to the receptors in the motor-end plate and creates the beginning process of triggering muscle contractions. 3) Describe the process of excitation-contraction coupling in skeletal muscle fibers. The motor unit meets at the...
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  • PhysioEX9.0 Exercise2
    to receptors in the motor end plae, initiating a change in ion permeability that results in a graded depolarization of the muscle plasma membrane (the end-plate potential). Pg 16 PhysioEx 9.0 6. Describe the process of excitation-contraction coupling in skeletal muscle fibers. (HINT: Look at page...
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  • Physiology
    . The length of the muscle fiber is sliding into an optimal length. Correct answer: b. All the steps of excitation-contraction coupling occur. Experiment Data: Voltage 0.0 3.0 4.0 6.0 8.0 10.0 Length 75 75 75 75 75 75 Active Force 0.00 1.04 1.32 1.65 1.81 1.82 Passive Force 0.00 0.00 0.00 0.00 0.00...
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  • Exercise 2: Skeletal Muscle Physiology
    -contraction coupling in skeletal muscle fibers. (HINT: Look at|Excitation-contraction coupling in skeletal muscle fibers is the| |page 202 in your Tortora text…and describe in detail.) |release of calcium from the sarcoplasmic reticulum which binds...
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  • Physioex 9.0 Exercise 2
    | | |neuron | |Describe the process of excitation-contraction coupling in skeletal muscle fibers. |The process occurred during the latent period and was...
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  • Exercise 2 Physioex
    , electrical stimulus, and latent period. You did not answer this question. 2. What is the role of acetylcholine in a skeletal muscle contraction? You did not answer this question. 3. Describe the process of excitation-contraction coupling in skeletal muscle fibers. You did not answer this question...
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  • Anatomy Chapter 9 Notes
    contractions. 6. Describe the process of excitation-contraction coupling in skeletal muscle fibers. The motor unit meets at the neuromusclular junction, where the axon terminal of a neuron and muscle fiber's plasma membrane meet, also called the motor end plate. What occurs in this area lead to...
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  • Scin
    than the interior of the cell. Answer Key: C Feedback: Excellent work! Part 16 of 17 - 3.33/ 5.0010004 Points Question 56 of 60 1.67/ 1.667 Points Put the steps of the process of excitation-contraction coupling in the correct order of occurrence. 1. Acetylcholine diffuses into...
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  • Excersice 02-01
    : c. the latent period What occurs during the latent period of these isometric contractions? You correctly answered: b. All the steps of excitation-contraction coupling occur. Experiment Data: Voltage 0.0 3.0 4.0 6.0 8.0 10.0 Length 75 75 75 75 75 75 Active Force 0.00 1.04 1.32 1.65 1.81 1.82 Passive...
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  • Scin132 Midterm
    hydrostatic pressure into an area of higher hydrostatic pressure.       D. it is a passive process.   Answer Key: C Feedback: Excellent work!    Part 16 of 17 -  5.0/ 5.0010004 Points  Question 56 of 60 1.67/ 1.667 Points  Put the steps of the process of excitation-contraction coupling in...
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  • Miss
    between the generation of an action potential and the start of muscle tension development in a muscle fiber? You correctly answered: c. the latent period What occurs during the latent period of these isometric contractions? You correctly answered: b. All the steps of excitation-contraction coupling...
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  • Heart Circulatory System
    . The steps in the coupling process are shown in figure 11.9 on page 416. A wave of action potentials spreads from the end plate in all directions, like ripples on a pond. When this wave of excitation reaches the T tubules, it continues down them into the sarcoplasm. Actions...
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  • Mrs Peterkin
    : c. Muscle fiber cross bridges are cycling at sub-maximal rates. Correct answer: b. All the steps of excitation-contraction coupling occur. Experiment Data: Voltage Length Active Force Passive Force Total Force Latent Period 0.0 75 0.0 0.0 0.0 ---- 3.0 75 1.04 0.0 1.04 ---- 4.0 75...
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  • A&P Midterm 60quest.
    1.6666 points) Put the steps of the process of excitation-contraction coupling in the correct order of occurrence. 1. Acetylcholine diffuses into the sacrolemma and binds to receptors in the muscle cell. 2. The end plate potential triggers a series of events that results in the contraction of a...
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  • Physiology
    . Bakker Wed May 12 Excitation-contraction coupling Dr A. Bakker Tue May 18 Muscle fatigue Dr A. Bakker Wed May 19 Mechanisms of muscle damage and disease. Dr A. Bakker Tue May 25 Revision Session Dr R. Patuzzi Dr D. Robertson Dr A. Bakker Dr P. McFawn END OF SEMESTER SEMESTER 1 - 2009...
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  • Physiology
    a skeletal muscle contraction? 6. Describe the process of excitation-contraction coupling in skeletal muscle fibers. 7. Describe the three phases of a skeletal muscle twitch. 8. Does the duration of the latent period change with different stimulus voltages? 9. At the threshold stimulus, do...
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  • Exercise 2: Skeletal Muscle Physiology Review Sheet
    initiating a change in ion permeability that results in a graded depolarization of the muscle plasma membrane (the end plate potential). 3. Describe the process of excitation-contraction coupling in skeletal muscle fibers. Answer: The events that occur at the neuromuscular junction lead to the end...
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  • Nsci 280 Week 4 Quiz
    potential is generated in the presynaptic terminal. d. ligand-gated ion channels in the presynaptic terminal are opened. e. nothing else happens. 7. In excitation-contraction coupling, a. calcium ions must bind with myosin to expose active sites on actin. b. myosin heads bind to...
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  • Strain Gage
    coefficients between the gage and base materials may cause dimensional changes in the sensor element.    Expansion or contraction of the strain-gage element and/or the base material introduces errors that are difficult to correct. For example, a change in the resistivity or in the temperature coefficient...
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