ANAT&PHY TEXT W/CONNECT &LRNSM ACCESS
2nd Edition
ISBN: 9781259728037
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 10.3, Problem 11WDYL
Summary Introduction
To describe:
The events of excitation-contraction coupling.
Concept introduction:
Excitation-contracting coupling is an event that involves T-tubules, sarcolemma and sarcoplasmic reticulum. The following events occur during excitation-coupling: development of an “end plate potential” at the motor end plate, initiation and propagation of action potential along the T tubules and sarcolemma and release of calcium ions from the sarcoplasmic reticulum.
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Chapter 10 Solutions
ANAT&PHY TEXT W/CONNECT &LRNSM ACCESS
Ch. 10.1 - What are the five major functions of skeletal...Ch. 10.1 - Explain the skeletal muscle characteristics of...Ch. 10.2 - Identify the location and function of these...Ch. 10.2 - Draw and label a diagram of a sarcomere.Ch. 10.2 - Prob. 5WDYLCh. 10.2 - Prob. 6WDYLCh. 10.2 - Diagram and label the anatomic structures of a...Ch. 10.2 - Prob. 8WDYLCh. 10.3 - What triggers the binding of synaptic vesicles to...Ch. 10.3 - What two events are linked in the physiologic...
Ch. 10.3 - Prob. 11WDYLCh. 10.3 - Prob. 12WDYLCh. 10.3 - Describe the four processes that repeat in...Ch. 10.3 - What causes the release of the myosin head from...Ch. 10.3 - How do acetylcholinesterase and Ca2+ pumps...Ch. 10.4 - Prob. 16WDYLCh. 10.4 - What are the various means for making ATP...Ch. 10.4 - Prob. 18WDYLCh. 10.5 - Prob. 19WDYLCh. 10.5 - Prob. 20WDYLCh. 10.5 - Prob. 21WDYLCh. 10.6 - What events are occurring in a muscle that produce...Ch. 10.6 - What is recruitment? Explain its importance in the...Ch. 10.6 - Prob. 24WDYLCh. 10.7 - What is the function of skeletal muscle tone?Ch. 10.7 - When you flex your biceps brachii while doing...Ch. 10.7 - Prob. 27WDYLCh. 10.7 - How can muscle fatigue result from changes in each...Ch. 10.8 - Prob. 29WDYLCh. 10.8 - Prob. 30WDYLCh. 10.9 - What are three anatomic or physiologic differences...Ch. 10.10 - Prob. 32WDYLCh. 10.10 - Prob. 33WDYLCh. 10.10 - Prob. 34WDYLCh. 10.10 - What are the steps of smooth muscle contraction?Ch. 10.10 - What unique characteristics of smooth muscle allow...Ch. 10.10 - Prob. 37WDYLCh. 10.10 - Prob. 38WDYLCh. 10.10 - Prob. 39WDYLCh. 10 - The physiologic event that takes place at the...Ch. 10 - In a skeletal muscle fiber, Ca2+ is released from...Ch. 10 - The bundle of dense regular connective tissue that...Ch. 10 - In excitation-contraction coupling, the transverse...Ch. 10 - During muscle contraction, the I band a. hides the...Ch. 10 - During a concentric contraction of a muscle fiber,...Ch. 10 - What event causes a troponin-tropomyosin complex...Ch. 10 - In sustained, moderate exercise, skeletal muscle...Ch. 10 - Skeletal muscle and cardiac muscle are similar in...Ch. 10 - Explain the structural relationship between a...Ch. 10 - Prob. 12DYKBCh. 10 - Prob. 13DYKBCh. 10 - Put the following skeletal muscle contraction...Ch. 10 - Explain the various means of providing ATP for...Ch. 10 - Explain why athletes who excel at short sprints...Ch. 10 - Explain why skeletal muscle generates the most...Ch. 10 - Prob. 18DYKBCh. 10 - Describe the response of smooth muscle to...Ch. 10 - Prob. 20DYKBCh. 10 - Prob. 1CALCh. 10 - One of the primary reasons that one individual is...Ch. 10 - Prob. 3CALCh. 10 - Rigor mortis occurs following death because a....Ch. 10 - Prob. 5CALCh. 10 - Prob. 1CSLCh. 10 - Describe the effect of the botulinum toxin, which...Ch. 10 - Smooth muscle is within the urinary bladder wall....
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- Explain how the process of skeletal muscle excitation–contraction coupling demonstrates the general principle of physiology that controlled exchange of materials occurs between compartments and across cellular membranes.arrow_forwardDescribe the events by which depolarization of a smooth muscle cell results in contraction and explain why smooth muscle contractions are slow and sustained.arrow_forwardDescribe the types and significance of intercellular junctions between cardiac muscle cell?arrow_forward
- Describe the functional significance of the skeletal muscle pump and illustrate the action ofvenous valves.arrow_forwardIf ACh channels are opened on a muscle fiber that is held at +55 mV, which ion moves predominantly? In which direction does this ion move across the muscle cell membrane?arrow_forwardWhat about extracellular Ca21 in excitation-contraction coupling?arrow_forward
- Sequence of excitation-contraction couplingarrow_forwardCompare and contrast the transmission of electrical activity at aneuromuscular junction with that at a synapse?arrow_forwardUsing the tension graph, explain why skeletal muscle can exhibit tetany (sustained contraction) but cardiac muscle cannot.arrow_forward
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