LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Question
Chapter 10, Problem 9MC
Summary Introduction
Introduction:
The agonist's muscle are the group of muscles that contract to move a joint. These are the muscle which provides the main pull to create a movement. They are also known as the prime mover.
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The muscle that assists the agonist is called thea. antagonist.b. synergist.c. prime mover.d. None of these are correct.
Muscle spindles trigger the muscle to
a.
lengthen.
b.
relax.
c.
shorten.
d.
remain fixed.
If a stretch reflex is activated, the muscle will
a.
lengthen.
b.
relax.
c.
shorten.
d.
none of above
Chapter 10 Solutions
LooseLeaf for Human Anatomy
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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- The constant state of partial contraction of muscles is called a. muscle atrophy. b. muscle tone. c. tetanus. d. muscle hypertrophy.arrow_forwardDuring muscle contraction, the I band a. hides the H zone. b. shortens or narrows. c. overlaps the Z line. d. always remains the same length.arrow_forwardThe series-elastic component of muscle contraction is responsible for a.increased muscle shortening to successive twitches. b.a time delay between contraction and shortening. c.the lengthening of muscle after contraction has ceased. d.all of these.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_forwardWhich of the following statements is (are) true about lever systems?a. The effort is the origin of the muscle.b. The fulcrum is a joint.c. The resistance is between the effort and the fulcrum in a third-class lever.d. First-class levers are the most common in the human body.e. The quadriceps muscles use a third-class lever to extend the knee.arrow_forwardMuscles that oppose each other and produce opposite movements are described as: a. synergistic b. antagonistic c. cooperative d. oppositionalarrow_forward
- Muscle responses are graded by either frequency or strength of stimuli. The force of contraction is precisely controlled by ______________ that brings more and more muscle fibers into action. a. wave summation b. complete tetanus c. recruitment d. all of the above e. none of the abovearrow_forwardWhich region of the sarcomere does not change length between muscle relaxation and muscle contraction A. A band B. Z disc C. I Band D. H Zonearrow_forwardThe muscle system is responsible for a. producing red blood cells. b. providing a framework. c. moving the body. d. conducting impulses.arrow_forward
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