Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 11, Problem 7RQ
Which arrangement best describes a bipennate muscle?
- The muscle fibers feed in on an angle to a long tendon from both sides.
- The muscle fibers feed in on an angle to a long tendon horn all directions.
- The muscle fibers feed in on an angle to a long tendon horn one side.
- The muscle fibers on one side of a tendon feed into it at a certain angle and muscle fibers on the other side of the tendon feed into it at the opposite angle.
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Smooth muscle is characterized by all of the following except _______.
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has caveolae to sequester extracellular calcium
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Fill in the appropriate type(s) of muscle: Contracts rhythmically and spontaneously:_______ ;is controlled voluntarily:________ ; contains orderly arrangements of fibrous proteins, giving a striped appearance:_________ ; is under involuntary control:________; is found in the walls of the digestive tract:_______; moves the skeleton:________ .
Which of the following are aspects of the structure of skeletal muscle? Select all that apply.
The muscle fibers are parallel to one another and have a striated appearance.
They have more mitochondria than other types of muscle cells.
Each fiber contains many units of contraction and protein filaments.
Cells are branched or unbranched with single nuclei.
It consists of cylindrical cells called muscle fibers that have multiple nuclei.
Chapter 11 Solutions
Anatomy & Physiology
Ch. 11 - Which of the following is unique to the muscles of...Ch. 11 - Which of the following helps an agonist work? a...Ch. 11 - Which of the following statements is correct about...Ch. 11 - Which is moved the least during muscle...Ch. 11 - Which muscle has a convergent pattern of...Ch. 11 - A muscle that has a pattern of fascicles running...Ch. 11 - Which arrangement best describes a bipennate...Ch. 11 - The location of a muscles insertion and origin can...Ch. 11 - Where is the temporalis muscle located? on the...Ch. 11 - Which muscle name does not make sense? extensor...
Ch. 11 - Which of the following terms would be used in the...Ch. 11 - Which of the following is a prime mover in head...Ch. 11 - Where is the inferior oblique muscle located? in...Ch. 11 - What is the action of the masseter? swallowing...Ch. 11 - The names of the extrinsic tongue muscles commonly...Ch. 11 - What is the function of the erector spinae?...Ch. 11 - Which of the following abdominal muscles is not a...Ch. 11 - Which muscle pair plays a role in respiration?...Ch. 11 - What is the linea alba? a small muscle that helps...Ch. 11 - The rhomboid major and minor muscles are deep to...Ch. 11 - Which muscle extends the forearm? biceps brachii...Ch. 11 - What is the origin of the wrist flexors? the...Ch. 11 - Which muscles stabilize the pectoral girdle? axial...Ch. 11 - The large muscle group that attaches the leg to...Ch. 11 - Which muscle produces movement that allows you to...Ch. 11 - What is the largest muscle in the lower leg?...Ch. 11 - The vastus intermedius muscle is deep to which of...Ch. 11 - What effect does fascicle arrangement have on a...Ch. 11 - Movements of the body occur at joints. Describe...Ch. 11 - Explain how a synergist assists an agonist by...Ch. 11 - Describe the different criteria that contribute to...Ch. 11 - Explain the difference between axial and...Ch. 11 - Describe the muscles of the anterior neck.Ch. 11 - Why are the muscles of the face different from...Ch. 11 - Describe the fascicle arrangement in the muscles...Ch. 11 - What are some similarities and differences between...Ch. 11 - The tendons of which muscles form the rotator...Ch. 11 - List the general muscle groups of the shoulders...Ch. 11 - Which muscles form the hamstrings? How do they...Ch. 11 - Which muscles form the quadriceps? How do they...
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- You are training athletes for the 100-meter dash. They need muscles specialized for speed and strength, not endurance. What muscle characteristics would your training regimen aim to develop? How would you alter it to train a long-distance swimmer?arrow_forwardSkeletal muscle contraction requires _________. a. calcium ions b. ATP c. arrival of a nerve impulse d. all of the abovearrow_forwardThe _____ is the basic unit of muscle contraction. a. myofibril b. sarcomere c. muscle fiber d. myosin filamentarrow_forward
- 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_forwardA muscle that has a pattern of fascicles running along the long axis of the muscle has which of the following fascicle arrangements? circular pennate parallel rectusarrow_forwardThe _______________________ of a muscle is usually attached to a movable part.arrow_forward
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