SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 9, Problem 3RAC
Summary Introduction
Introduction:
Skeletal muscle is comprised of numerous tissue, connective tissue and adipose tissue. They are striated in appearance and possess multiple nuclei that lie at the periphery position. They are voluntary muscle that plays an important role in muscle contraction and plays an important role in body movement.
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Please help with the labeling of organization of skeletal muscle:
Here's what I found:
fascicle
muscle fibers
nuclei
sarcomere
sarcolemma
myofibril
M line
I band
A band
Z disc
H zone
Thick filament
Thin filament
perimysium
sarcoplasmic reticulum
epimysium
Once an action potential arrives at the neuromuscular junction, there is a sequence of events that result in muscle contraction. Place these events in the correct
numerical sequence.
1
2
3
4
5
[Choose ]
[Choose ]
[Choose ]
[Choose]
[Choose ]
[Choose ]
acetylcholine is released
the binding sites for myosin heads are exposed
calcium is converted to ATP
action potentials travel down t-tubules to the inner regions of muscle fibers
calcium is released
cross bridges form
Which type of muscle fiber arrangement is most appropriate for the shoulder muscle that leads to larger forces and more movement, but with a disadvantage of less efficient use of muscles?
Parallel or fusiform
Unipinate
Bipinnate
Multipinnate
Chapter 9 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 9.1 - List and describe the functions performed by...Ch. 9.1 - State the functions of smooth and cardiac muscle...Ch. 9.1 - Using table 9.1, distinguish among skeletal,...Ch. 9.2 - Identify the four specialized functional...Ch. 9.2 - Outline the differences in control and function...Ch. 9.3 - Name the connective tissue layers that surround...Ch. 9.3 - What are motor neurons? How do the axons of motor...Ch. 9.3 - What is the origin of muscle fibers? How do you...Ch. 9.3 - What are T tubules and the sarcoplasmic reticulum?Ch. 9.3 - Prob. 10AYP
Ch. 9.3 - Prob. 11AYPCh. 9.3 - Prob. 12AYPCh. 9.3 - Prob. 13AYPCh. 9.3 - Prob. 14AYPCh. 9.3 - Prob. 15AYPCh. 9.3 - Prob. 16AYPCh. 9.3 - Prob. 17AYPCh. 9.4 - What type of ion channel contributes to the...Ch. 9.4 - What are the two types of gated ion channels in...Ch. 9.4 - Prob. 20AYPCh. 9.4 - Prob. 21AYPCh. 9.4 - List the two types of voltage-gated channels the...Ch. 9.4 - Prob. 23AYPCh. 9.4 - Prob. 24AYPCh. 9.4 - Prob. 25AYPCh. 9.4 - Prob. 26AYPCh. 9.4 - Describe the structure of a neuromuscular...Ch. 9.4 - Prob. 28AYPCh. 9.4 - Prob. 29AYPCh. 9.4 - Prob. 30AYPCh. 9.4 - Prob. 31AYPCh. 9.4 - What ion is necessary for movement of the...Ch. 9.4 - Describe the steps in cross-bridge cycling. How is...Ch. 9.4 - Prob. 34AYPCh. 9.5 - List the phases of a muscle twitch, and describe...Ch. 9.5 - Prob. 36AYPCh. 9.5 - Prob. 37AYPCh. 9.5 - Prob. 38AYPCh. 9.5 - Prob. 39AYPCh. 9.5 - How does the lack of on unresponsive period in...Ch. 9.5 - Distinguish between active tension and passive...Ch. 9.5 - Prob. 42AYPCh. 9.5 - Prob. 43AYPCh. 9.5 - What is muscle tone, and how is it maintained?Ch. 9.6 - Contrast the structural and physiological...Ch. 9.6 - Prob. 46AYPCh. 9.6 - Prob. 47AYPCh. 9.6 - What factors contribute to increases in muscle...Ch. 9.6 - Prob. 49AYPCh. 9.6 - Prob. 50AYPCh. 9.7 - What is fatigue? List the three locations where...Ch. 9.7 - Prob. 52AYPCh. 9.7 - Prob. 53AYPCh. 9.7 - List the energy sources used to synthesize ATP for...Ch. 9.7 - Prob. 55AYPCh. 9.7 - Prob. 56AYPCh. 9.7 - Prob. 57AYPCh. 9.7 - Prob. 58AYPCh. 9.8 - Describe a typical smooth muscle cell. How do its...Ch. 9.8 - Prob. 60AYPCh. 9.8 - Prob. 61AYPCh. 9.8 - Compare visceral smooth muscle and multiunit...Ch. 9.8 - Prob. 63AYPCh. 9.8 - Prob. 64AYPCh. 9.8 - How are spontoneous contractions produced in...Ch. 9.8 - Prob. 66AYPCh. 9.8 - Prob. 67AYPCh. 9.8 - Prob. 68AYPCh. 9.9 - Prob. 69AYPCh. 9.9 - Prob. 70AYPCh. 9.10 - Prob. 71AYPCh. 9 - Which of these is true of skeletal muscle? a....Ch. 9 - Prob. 2RACCh. 9 - Prob. 3RACCh. 9 - Each myofibril Is made up of many muscle fibers....Ch. 9 - Prob. 5RACCh. 9 - Which of these statements about the molecular...Ch. 9 - Prob. 7RACCh. 9 - Prob. 8RACCh. 9 - Prob. 9RACCh. 9 - Prob. 10RACCh. 9 - Prob. 11RACCh. 9 - Prob. 12RACCh. 9 - Prob. 13RACCh. 9 - With stimuli of increasing strength, which of...Ch. 9 - Considering the force of contraction of a skeletal...Ch. 9 - Which of these events occurs during the lag...Ch. 9 - Prob. 17RACCh. 9 - Prob. 18RACCh. 9 - Given the conditions: (1) low ATP levels (2)...Ch. 9 - Prob. 20RACCh. 9 - Prob. 21RACCh. 9 - Prob. 22RACCh. 9 - Prob. 23RACCh. 9 - Prob. 24RACCh. 9 - Which of these statements concerning aging and...Ch. 9 - Prob. 1CTCh. 9 - A patient is thought to be suffering from either...Ch. 9 - Design an experiment to test the following...Ch. 9 - Explain what is happening at the level of...Ch. 9 - Predict the shape of an active tension curve for...Ch. 9 - Prob. 6CTCh. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Prob. 9CTCh. 9 - Prob. 10CTCh. 9 - Prob. 11CTCh. 9 - Prob. 12CT
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- Figure 38.37 Which of the following statements about muscle contraction is true? The power stroke occurs when ATP is hydrolyzed to ADP and phosphate. The power stroke occurs when ADP and phosphate dissociate from the myosin head. The power stroke occurs when ADP and phosphate dissociate from the actin active site. The power stroke occurs when Ca2+ binds the calcium head.arrow_forwardSkeletal muscle contraction requires _________. a. calcium ions b. ATP c. arrival of a nerve impulse d. all of the abovearrow_forwardFigure 13.22 To what structures in a skeletal muscle are the endoneurium, perineurium, and epineurium comparable? Figure 13.22 Close-Up of Nerve Trunk Zoom in on this slide of a nerve trunk to examine the endoneurium, perineurium, and epineurium in greater detail (tissue source: simian). LM × 1600. (Micrograph provided by the Regents of University of Michigan Medical School © 2012)arrow_forward
- Nerve impulses first stimulate a skeletal muscle fiber at _______. a. T tubules b. sarcomeres c. neuromuscular junctions d. actin binding sitesarrow_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_forwardYou 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_forward
- 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.arrow_forwardDepolarization of the sarcolemma means ________. the inside of the membrane has become Less negative as sodium ions accumulate the outside of the membrane has become less negative as sodium ions accumulate the inside of the membrane has become more negative as sodium ions accumulate the sarcolemma has completely lost any electrical chargearrow_forwardDescribe the following regions/structures of a sarcomere. (Fig 12.5) A band - striated patterns of light and dark muscle fibers; scatters light unevenly; uses the entire length of thick filaments; the center of the band uses only thick filaments H zone I band M line Z discarrow_forward
- Arrange the steps of muscle innervation and contraction in response to touching a hot plate. appendage is removed from stimulus v movement is produced muslce fibers work together to produce action muscle contraction occurs and the sarcomere shortens Myosin heads bind thin filament Calcium binds troponin Calcium is released T tubules carry the action potential to the sarcoplasmic reticulum Action potential is generated in the sarcolemma as a result of opened sodium channels The presynaptic cell releases acetylcholine Signal arrives at the neuromuscular junction Sensory receptors detect uncomfortable heat Afferent neurons carry impulse to the central nervous system Signal reaches the reflex arc in the central nervous system and is directed out through the anterior horn Signal travels through the motor units > |> > > |> > > > > > > > >arrow_forwardmultiple choicearrow_forwardIn normal skeletal muscle contraction, which of the following represents the correct sequence of events? 1. Action potential 2. Ca2+ release into cytoplasm 3. Interaction between actin and myosin filaments 4. Ca2+ is pumped back to cisterns 5. Depolarization of T tubules Answers A-F A 1-2-5-3-4 B C 1-4-5-3-2 1-5-2-3-4 D 5-1-2-3-4 E F 5-4-3-1-2 5-4-1-3-2 Oarrow_forward
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