HUMAN ANAT+CNCT+POLLEV LBCC >IC<
14th Edition
ISBN: 9781259349461
Author: McKinley
Publisher: MCG CUSTOM
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Textbook Question
Chapter 10, Problem 10MC
Which of the following changes in skeletal muscles is associated with aging?
| a. | Muscle fibers increase in diameter. |
| b. | Muscles become more elastic. |
| c. | Muscle fibers increase their glycogen reserves. |
| d. | The number of satellite cells in muscle decreases. |
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Which of the following is true?
A. Muscle fibers either will contract with all the force possible under existing conditions or will not contract at all.
B. Skeletal muscles can contract with varying degrees of strength given different circumstances.
C. Muscle length does not have an effect on contractile strength.
D. Metabolic condition of the myocyte does not have an effect on contractile strength.
Which of the following statements is false?a. Slow fibers have a small network of capillaries.b. Slow fibers contain the pigment myoglobin.c. Slow fibers contain a large number of mitochondria.d. Slow fibers contract for extended periods.
Which of the following statements best describes the sliding filament mechanism of muscle contraction?
a. Actin and myosin filaments do not shorten, but rather, slide past each other.
b. Actin and myosin filaments shorten and slide past each other.
c. As they slide past each other, actin filaments shorten, but myosin filaments do not shorten.
d. As they slide past each other, myosin filaments shorten, but actin filaments do not shorten.
Chapter 10 Solutions
HUMAN ANAT+CNCT+POLLEV LBCC >IC<
Ch. 10 - What are the properties of muscle tissue?Ch. 10 - List and describe the connective tissue components...Ch. 10 - Describe how muscle attachments are organized to...Ch. 10 - Compare and contrast myofibrils and myofilaments.Ch. 10 - Prob. 5WYLCh. 10 - Describe the structural relationship between a...Ch. 10 - Prob. 7WYLCh. 10 - Prob. 8WYLCh. 10 - Prob. 9WYLCh. 10 - List the three types of skeletal muscle fibers,...
Ch. 10 - Prob. 11WYLCh. 10 - Prob. 12WYLCh. 10 - Prob. 13WYLCh. 10 - Prob. 14WYLCh. 10 - Prob. 15WYLCh. 10 - Describe smooth muscle cell structure. What are...Ch. 10 - Prob. 1MCh. 10 - Prob. 1MCCh. 10 - Prob. 2MCCh. 10 - Prob. 3MCCh. 10 - The plasma membrane of a skeletal muscle fiber is...Ch. 10 - In a skeletal muscle fiber, a triad is composed of...Ch. 10 - Prob. 6MCCh. 10 - Prob. 7MCCh. 10 - Prob. 8MCCh. 10 - Prob. 9MCCh. 10 - Which of the following changes in skeletal muscles...Ch. 10 - Compare the roles of the three concentric layers...Ch. 10 - Prob. 2CRCh. 10 - Prob. 3CRCh. 10 - Prob. 4CRCh. 10 - Describe in your own words the events that occur...Ch. 10 - Prob. 6CRCh. 10 - Briefly describe the differences between muscle...Ch. 10 - Explain why athletes who excel at short sprints...Ch. 10 - Prob. 9CRCh. 10 - Describe the structure of intercalated discs in...Ch. 10 - Prob. 1DCRCh. 10 - Prob. 2DCRCh. 10 - Prob. 3DCR
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following sentences is NOT correct? A. White fibers make up fast-twitch muscle B. Muscle spindle is a type of receptor that detects muscle length C. Exocrine gland secretes its product directly into the bloodstream D. When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contractarrow_forwardWhich of the following changes takes place when a skeletal muscle contracts?A. Z discs move farther apart.B. Actin filaments contract.C. Myosin filaments contract.D. Sarcomeres become shorter.arrow_forwardWhich of the following is NOT a stock form of the key molecules for energy generation in muscle? A. Creatine phosphate B. Hemoglobin C. Glycogen D. Myoglobinarrow_forward
- Which of the following statements is (are) accurate in regard to skeletal, cardiac, and smooth muscle tissues?a. Cardiac muscle is autorhythmic.b. Smooth muscle is voluntary.c. Skeletal muscle is arranged in sarcomeres.d. Skeletal, cardiac, and smooth muscle tissues are striated.e. Smooth muscle can be found in the walls of arteries and veins.arrow_forwardWhich of the following is true? Tendons join bone to bone Tendons join muscle to bone and other structures Ligaments join bone to bone Ligaments join muscle to bone and other structures a. and b. b. and c.arrow_forwardWhich of the following statements is True?a. Tendons contract using the sliding filament mechanism.b. Tendons are composed primarily of cartilage fibers.c. Tendons attach bones to bones at joints.d. Tendons attach muscles to bone.arrow_forward
- Muscle that has a striped appearance is described as being a. elastic b. nonstriated c. excitable d. striatedarrow_forwardSkeletal muscle and cardiac muscle are similar in that both types of muscle a. have cells that branch. b. contain intercalated discs. c. are under involuntary control. d. are striated.arrow_forwardWhat do skeletal muscle contractions share in common with smooth muscle contractions?a. Both types of contractions do not require calcium ions for a contraction to occur.b. Both types of contractions generate little force or a weak force.c. Both types of contractions consume very little ATP.d. Both types of contractions result from thick and thin filaments sliding past one another.arrow_forward
- A bacterial toxin is known to block the release of ACh at the motor end plate of skeletal muscle. Consequently, a. the skeletal muscle contracts with increasing force. b. the skeletal muscle contracts with increasing frequency. c. the ability to stimulate the muscle is impaired. d. other neurotransmitters would stimulate the muscle.arrow_forwardCompared with skeletal muscle, visceral smooth muscle a. has the same ability to be stretched. b. loses the ability to contract forcefully when stretched. C. maintains about the same tension, even when stretched. d. cannot maintain long, steady contractions. e. can accumulate a substantial oxygen deficitarrow_forwardSkeletal muscle is also known as a. involuntary. b. voluntary. c. cardiac. d. smooth.arrow_forward
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