GEN COMBO ANATOMY & PHYSIOLOGY: INTEGRATIVE APPROACH; CONNECT ACCESS CARD
2nd Edition
ISBN: 9781259740435
Author: Michael McKinley Dr.
Publisher: McGraw-Hill Education
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Chapter 10, Problem 5CAL
Summary Introduction
Introduction:
Muscle fibers differ in speed, power, and duration of muscle contraction. The speed of the muscle contraction is based on the expression of fast or slow
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An athlete participates in aerobic exercise three times a week. One of the changes is an increased ability to deliver oxygen to her skeletal muscles. Over time she notices that she can continue the exercise with greater intensity and duration. The reason for this change is that there is a(n) a. greater response from phosphate transfer. b. greater production of ATP from glycolysis and less from aerobic cellular respiration. c. greater production of ATP from aerobic cellular respiration. d. increased production of lactate.
Which of the following statements correctly describes why white muscle fibers do not need is mini mitochondria as red muscle fibers?
a) want muscle fibers use anaerobic respiration which does not occur in the mitochondria
b) what muscle fibers use anaerobic respiration which requires more efficient mitochondria than aerobic respiration
c) white muscle fibers get more oxygen than the red muscle fibers
Under what conditions will lactic acid accumulate in skeletal muscle?
A. when citric acid enzymes are depleted
B. when ATP is depleted
C. when O2 is depleted
D. when NADH is depleted
Chapter 10 Solutions
GEN COMBO ANATOMY & PHYSIOLOGY: INTEGRATIVE APPROACH; CONNECT ACCESS CARD
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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- Why do you think a person is able to perform anaerobic exercise (such as lifting and holding a heavy weight) only briefly but can sustain aerobic exercise (such as walking or swimming) for long periods? (Hint: Muscles have limited energy stores.)arrow_forwardPhosphate transfer is used for A. immediate ATP needs and is dependent on oxygen. B. immediate ATP needs and is not dependent on oxygen. C. long term ATP needs and is dependent on oxygen. D. long term ATP needs and is not dependent on the presence of oxygen.arrow_forwardWhich of the three methods (aerobic, anaerobic, creatine energy reserve) for energy creation in skeletal muscles is best for hiking a mountain? Please explain your answer.arrow_forward
- Which of the following is a valid statement about lactate? a. Is responsible for the burning sensation in the muscles during exercise b. Primarily produced as a result of insufficient oxygen availability in the cell c. Causes DOMS after rigorous exercise d. “Metabolic waste product” produced during exercise e. Ice massage should be employed after exercise to flush lactate out of the skeletal muscle after exercise f. None of the above are true g. Both A and B are truearrow_forwardWhat would the primary ATP production pathway(s) and fuel source(s) be for a competitive basketball player during a practice or game? Explain how you could use this information to best prepare the athlete for practice or competition.arrow_forwardAn athlete is aiming to optimize their protein intake for muscle repair and growth. Which of the following dietary modifications could potentially enhance the utilization of dietary protein for muscle protein synthesis?A) Consuming protein exclusively from plant-based sources like lentils and beans.B) Spreading protein intake evenly throughout the day, including after exercise.C) Increasing protein intake to more than 3 grams per kilogram of body weight daily.D) Exclusively consuming protein shakes immediately post-workout.arrow_forward
- Which mechanism of ATP production requires mitochondria and is able to use fatty acids and lactic acid energy sources? A glycolysis B aerobic respiration C anaerobic respirationarrow_forwardAfter employing steady-state endurance training for 6-months, in preparation for marathon, which of the following physiological parameters would be significantly increased in the skeletal muscles of the legs at rest? a. Mitochondrial density b. CK enzyme activity c. Glycogen storage d. CPT activity e. All of the above f. Only A, C and D are correctarrow_forwardWhy is oxygen consumption a good measure of overall metabolic rate of an aerobic organism?arrow_forward
- The excess ATPs are stored in muscles as CPs? A. True B. Falsearrow_forwardAlthough adults synthesize large amounts of ATP daily, their body weight, structure, and composition do not change significantly during this period. Explain this apparent contradiction.arrow_forwardIn the presence of high ratio of NADH/NAD in a muscle cell glucose will continue towards which metabolic pathway: a. Formation of lactic acid b. Formation of acetyl CoA c. Storage of glycogen d. Production of 34 ATP + H20 and CO2 e. Krebs cyclearrow_forward
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