Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 5MC
Which are ways in which muscle names have been derived?
a. Attachments
b. Size
c. Function
d. Location
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Students have asked these similar questions
Muscles may be named using?
a. speed
b. age
c. action
d. myofilament type
Which is most accurate with regard to the phrase "muscle fiber"?
A. Muscle fibers technically only refer to actin protein filaments
B. muscle fibers are often called "cells" but actually they are many cells fused into a long tubular structure.
C. muscle fibers are also called fascicles which are bundles of many muscle cells
D. Muscle fibers are the same as myofibril organelles, packed into each cell
Which is a false statement about skeletal muscle structure?a. A myofibril is composed of multiple muscle fibers.b. Most skeletal muscles attach to bones by connective-tissue tendons.c. Each end of a thick filament is surrounded by six thin filaments.d. A cross-bridge is a portion of the myosin molecule.e. Thin filaments contain actin, tropomyosin, and troponin.
Chapter 6 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 6 - If you compare electron micrographs of a relaxed...Ch. 6 - After ACh attaches to its receptors at the...Ch. 6 - Your ability to lift that heavy couch would be...Ch. 6 - 4. Doing the pincer grasp is an ___________...Ch. 6 - 5. Which are ways in which muscle names have...Ch. 6 - 6. Which of the following muscles attach to the...Ch. 6 - Which of these thigh muscles causes movement at...Ch. 6 - 8. Which of the following insert on the...Ch. 6 - What is major function of muscle?Ch. 6 - Compare skeletal, smooth, and cardiac muscles in...
Ch. 6 - What two types of muscle tissue are striated?Ch. 6 - 12. Why are the connective tissue wrappings of...Ch. 6 - Prob. 13SAECh. 6 - Prob. 14SAECh. 6 - Prob. 15SAECh. 6 - Prob. 16SAECh. 6 - Prob. 17SAECh. 6 - Prob. 18SAECh. 6 - 19. List the 12 body movements studied in this...Ch. 6 - Prob. 20SAECh. 6 - If you were alternately contracting and relaxing...Ch. 6 - The sternocleidomastoid muscles help to flex the...Ch. 6 - Prob. 23SAECh. 6 - Name the prime mover of elbow flexion. Name its...Ch. 6 - Prob. 25SAECh. 6 - The hamstring and quadriceps muscle groups are...Ch. 6 - 27. What two-bellied muscle makes up the calf...Ch. 6 - 28. What happens to muscles when they are...Ch. 6 - Prob. 29SAECh. 6 - 30. Should a triathlete engage in aerobic or...Ch. 6 - Prob. 31SAECh. 6 - Prob. 32SAECh. 6 - Prob. 33CTCh. 6 - Prob. 34CTCh. 6 - Prob. 35CTCh. 6 - 36. When Eric returned from jogging, he was...Ch. 6 - 37. Chemical A binds and blocks acetylcholine...Ch. 6 - Kendra’s broken leg was in a cast for 8 weeks....
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- What aspect of creatine phosphate allows it to supply energy to muscles? ATPase activity phosphate bonds carbon bonds hydrogen bondsarrow_forwardWhich arrangement best describes a bipennate muscle?a. The muscle fibers feed in on an angle to a long tendon from both sides.b. The muscle fibers feed in on an angle to a long tendon from all directions.c. The muscle fibers feed in on an angle to a long tendon from one side.d. 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.arrow_forwardWhat type of muscle performs an anchoring function by holding a bone in place? a. antagonist b. fixator c. agonist d. synergistarrow_forward
- Which statement is accurate about an agonist? a. It opposes the function of the prime mover. b. It is the primary muscle that produces a movement. c. It functions primarily to stabilize a joint. d. Its muscle fibers are always circular in structure.arrow_forwardWhich type of muscle has muscle cells that connect to one another at junctions called intercalated disks? A. Striated voluntary muscle B. Nonstriated involuntary muscle C. Nonstriated voluntary muscle D. Striated involuntary musclearrow_forwardWhich protein is not part of the thin filament in a muscle fiber? A. Actin B. Myosin C. Tropomyosin D. Troponinarrow_forward
- What structure on a muscle fiber is composed of largely two varieties of contractile proteins--actin and myosin--which slide past each other during muscle activity to bring about shortening or contraction of muscle cells? A. myofilament B. sarcoplasmic reticulum C. transverse tububle D. sarcomeresarrow_forwardWhat happens to smooth muscle when the circular layer contracts? a. The lumen is dilated b. The lumen is constricted O c. The organ shortens O d. The organ lengthensarrow_forwardHow does the nervous system grade the force of muscle contraction? a. Only by recruiting additional motor units b. Only by varying the firing rate of the motor neurons Oc. By varying the firing rate of the motor neurons and by recruiting additional motor units d. By using more motor neuron poolsarrow_forward
- When the term biceps, triceps, or quadriceps forms part of a muscle's name, what does it tell you about the muscle? a.The muscle has two, three, or four origins, respectively. b.The muscle has two, three, or four insertions, respectively. c.The muscle is able to change direction twice, three times, or four times faster than other muscles, respectively. d.The muscle has two, three, or four functions, respectively.arrow_forwardWhat is the first and most direct energy source for muscle contraction? a. glucose b. ATP c. creatine phosphate d. glycogenarrow_forwardWhich choice lists the components of a muscle from the smallest unit to the largest unit? A. myofibril, filament, sarcomere, muscle fiber B. filament, sarcomere, myofibril, muscle fiber C. sarcomere, filament, muscle fiber, myofibril D. muscle fiber, filament, sarcomere, myofibrilarrow_forward
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