Muscle Tissue

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Question 1

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Multiple Choice

Muscle tissue, one of the four basic tissue groups, consists chiefly of cells that are highly specializedfor

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conduction.

contraction.

peristalsis.

cushioning.

secretion.

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Question 2

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Multiple Choice

Which of the following is a recognized function of skeletal muscle?

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produce movement

maintain posture

maintain body temperature

guard body entrances and exits

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Question 3

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Multiple Choice

At each end of the muscle, the collagen fibers of the epimysium, perimysium, and endomysium, come together to form a

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tendon.

satellite cell.

ligament.

tenosynovium.

sheath.

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Question 4

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Multiple Choice

The dense layer of connective tissue that surrounds an entire skeletal muscle is the

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tendon.

epimysium.

endomysium.

perimysium.

fascicle.

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Question 5

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Multiple Choice

Nerves and blood vessels that service a muscle fiber are located in the connective tissues of its

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endomysium.

perimysium.

sarcolemma.

sarcomere.

myofibrils.

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Question 6

Multiple Choice

Afascicle is a

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group of muscle fibers that are encased in the perimysium.

layer of connective tissue that separates muscle from skin.

group of muscle fibers that are all part of the same motor unit.

group of muscle fibers and motor neurons.

collection of myofibrils in a muscle fiber.

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Question 7

Multiple Choice

The delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent muscle fiberstogether is the

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endomysium.

perimysium.

epimysium.

superficial fascia.

periosteum.

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Question 8

Multiple Choice

The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is calleda(n)

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fascicle.

tendon.

ligament.

epimysium.

myofibril.

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Question 9

Multiple Choice

________ can be described as a broad tendinous sheet.

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fasciae

retinaculum

aponeurosis

interstitium

tympanum

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Question 10

Multiple Choice

Interactions between actin and myosin filaments of the sarcomere are responsible for

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muscle fatigue.

the conduction of neural stimulation to the muscle fiber.

muscle contraction.

muscle relaxation.

the striped appearance of skeletal muscle.

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Question 11

Multiple Choice

In a sarcomere, the central portion of thick filaments are linked laterally by proteins of the

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Z line.

M line.

H band.

A band.

I band.

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Question 12

Multiple Choice

The advantage of having many nuclei in a skeletal muscle fiber is the ability to

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contract much more forcefully.

produce more ATP with little oxygen.

store extra DNA for metabolism.

produce large amounts of muscle proteins.

produce nutrients for muscle contraction.

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Question 13

Multiple Choice

Skeletal muscle fibers are formed from embryonic cells called

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sarcomeres.

myofibrils.

myoblasts.

fascicles.

myomeres.

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Question 14

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The repeating unit of a skeletal muscle fiber is the

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sarcolemma.

sarcomere.

sarcoplasmic reticulum.

myofibril.

myofilament.

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Question 15

Multiple Choice

The plasma membrane of a skeletal muscle fiber is called the

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sarcolemma.

sarcomere.

sarcosome.

sarcoplasmic reticulum.

sarcoplasm.

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Question 16

Multiple Choice

Which of the following best describes the term sarcomere?

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protein that accounts for elasticity of resting muscle

repeating unit of striated myofibrils

storage site for calcium ions

thin filaments are anchored here

largely made of myosin molecules

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Question 17

Multiple Choice

Muscle fibers differ from "typical cells" in that muscle fibers

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lack a plasma membrane.

have many nuclei.

are very small.

lack mitochondria.

have large gaps in the cell membrane.

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Question 18

Multiple Choice

Which of the following best describes the term sarcoplasmic reticulum?

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protein that accounts for elasticity of resting muscle

repeating unit of striated myofibrils

storage and release site for calcium ions

thin filaments are anchored here

largely made of myosin molecules

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Question 19

Multiple Choice

Which of the following best describes the term Z line?

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protein that accounts for elasticity of resting muscle

repeating unit of striated myofibrils

storage site for calcium ions

thin filaments are anchored here

largely made of myosin molecules

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Question 20

Multiple Choice

The region of the sarcomere containing the thick filaments is the

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Z line.

M line.

H band.

A band.

I band.

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