ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
4th Edition
ISBN: 9781265521363
Author: McKinley
Publisher: MCG
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Question
Chapter 10.5, Problem 19WDYL
Summary Introduction
To explain:
The way in which a fast-twitch fiber differs from a slow-twitch fiber and how an oxidative fiber differs from a glycolytic fiber.
Concept introduction:
Skeletal muscle fibers that are composed of single muscle are differentiated into three categories based on two criteria such as the type of contraction generated and primary means used for ATP supply.
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Chapter 10 Solutions
ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
Ch. 10.1 - What are the five major functions of skeletal...Ch. 10.1 - Prob. 2WDYLCh. 10.2 - Prob. 3WDYLCh. 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 - Prob. 1DYKBCh. 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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- Unlike skeletal muscle smooth muscle Mayer spontaneously contract when it is. What feature of smooth muscle allows it to stretch without immediately resulting in a strong contraction?arrow_forwardWhat is the normal end product of anaerobic exercise in muscle?arrow_forwardHow lactic acid affects the muscle(s) that are being exposed to lactic acid?arrow_forward
- Explain differences in mitochondria for the three types of muscle fiber: slow twitch, fast twitch oxidative and fast twitch glycolytic?arrow_forwardDuring the initial phase of exercise, muscles can become hypoxic which leads to the buildup of lactate. a) Fully explain how oxygen shortage can lead to the accumulation of lactate in the muscles. b) Describe how lactate (often seen as a waste product) can produce glucose via gluconeogenesis.arrow_forwardWhy is it in the muscle’s best interest to export lactic acid into the blood during intense exercise?arrow_forward
- Differentiate between Slow-oxidative fiber Dast-oxidative fiber?arrow_forwardAccumulation of which of the following substances in muscle cells is the cause of stiffness and soreness after vigorous exercise?arrow_forwardMarathon runners often practice "carb loading" prior to a race. The purpose of this practice is to increase the stores of energy available for muscles to use. Explain how energy is used by muscle fibers and how this practice of "card loading" benefits the runner's muscles. Be sure to use the terms glucose, glycogen, creatine, phosphate, and ATP in the explanation.arrow_forward
- A few hours after the death of an animal, the corpse will stiffen as a result of continued contraction of muscle tissue (this state is called rigor mortis). This phenomenon is the result of the loss of ATP production in muscle tissue. (a) Consult Figure 7.48 and describe, in terms of the six-step model of mus- de contraction, how a lack of ATP in sarcomeres would result in rigor mortis. (b) The Ca* transporter in sarcomeres that keeps the [Ca*)-10-7 M requires ATP to drive transport of Ca* ions across the membrane of the sarcoplasmic reticulum. How would a loss of this Ca* transport func- tion result in the initiation of rigor mortis? (c) Rigor mortis is maximal at - 12 hrs after death, and by 72 hrs is no longer observed. Propose an explanation for the disappearance of rigor mortis after 12 hrs.arrow_forwardDiscuss why slow oxidative fibers are more fatigueresistant than fast glycolytic fibers.arrow_forwardOutline the signal- transduction cascade for glycogen degradation in muscle.arrow_forward
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