Chapter 9 1) Explain the basic functions of the muscular system 2) Describe the general properties of muscle tissue 3) Identify the components of a muscle fiber. 4) Explain the basic physiology of a muscle fiber including their excitability, action potential, excitation-contraction coupling, cross-bridge movement, and muscle relaxation 5) Describe how a skeletal muscle contracts 6) Compare and contrast the different muscle fiber types. 7) Discuss how muscles obtain energy 8) Explain how exercise affects the muscular system 9) Describe how smooth and cardiac muscle differs from skeletal muscle in structure and function. 10) Explain how the muscular system is affected by aging

Chapter 9 1) Explain the basic functions of the muscular system 2) Describe the general properties of muscle tissue 3) Identify the components of a muscle fiber. 4) Explain the basic physiology of a muscle fiber including their excitability, action potential, excitation-contraction coupling, cross-bridge movement, and muscle relaxation 5) Describe how a skeletal muscle contracts 6) Compare and contrast the different muscle fiber types. 7) Discuss how muscles obtain energy 8) Explain how exercise affects the muscular system 9) Describe how smooth and cardiac muscle differs from skeletal muscle in structure and function. 10) Explain how the muscular system is affected by aging

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

See similar textbooks

Similar questions

Transmission of electrical signals in nerve and muscle cell is mediated by opening and closing of: 1) ion channels in the nuclear envelope 2) ion channels in the plasma membrane 3) the electron transport chain 4) the sodium potassium ATPase in the plasma membrane
When an individual is fatigued the cause of the fatigue could be related to which of the following: (SELECT ALL THAT APPLY) a.) An inability of the nervous system to continue to activate skeletal muscle to produce force due to fatigue in the nervous system b.) Hypoglycemia (low blood glucose levels) c.) Depletion of glycogen that was stored in skeletal muscle and the live d.) Disruption of enzymatic processes that slow the rate by which substrate (such as glucose) can be metabolized
26) muscle tone is .... a) the ability of a muscle to efficiently cause skeletal movements b) the feeling of well being following exercise c) the condition of athletes after intensive training d) a state of sustained partial contraction
Please answer. Maximum contraction strength is achieved when, prior to contraction, the H zone contains no myosin heads. a) true b) false
For the myosin head to form cross bridges with actin, it is necessary for to bind to actin. a) Calcium b) Troponin c) Sarcolemma d) ATP
1. During muscle contraction, hydrolysis of ATP results in A) a change in the conformation of actin B) a change in the conformation of myosin C) association of myosin head to actin D) dissociation of myosin from actin E) no effect on muscle contraction
What is the major disadvantage of an exoskeleton? A) It does not provide effective support for muscles. B) It does not protect the internal organs. C) It hardens only after an extended exposure to air. D) It must be periodically shed for growth to occur.
14) after a muscle fiber has contracted, the calcium a) is secreted by the Golgi apparatus b) is chemically bound to the myofilaments c) renters the sarcoplasmic reticulum d) is destroyed
5. What would happen if tropomyosin couldn't change confirmation in the presence of Ca2+ binding to troponin? A)ACh wouldn't be released from vesicles B)Myosin couldn't bind to troponin C)Myosin couldn't bind to ATP D)Myosin couldn't bind to actin E)Ca2+ wouldn't be released from the SR
A sarcomere contracts when a) Thin filaments (actin) slide b) Thick filaments (myosin) slide c) Thin filaments (actin) contract d) Thick filaments (myosin ) contract
20) which of following is true regarding skeletal muscle cells? a) All of these are properties of skeletal muscle cells b) they are striated c) they have many mitochondria d) they contain multiple nuclei
You start to run, and your skeletal muscles need to work harder. Which of the following is the immediate source that your muscles use to get the energy they need? A)Glycolysis B) Oxidative phosphorylation C) Creatine phosphate D)Myoglobin