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Anaphy midterm > Muscular > Flashcards

Muscular Flashcards

1
Q

Connective tissue sheath

A

Epimysium

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2
Q

Visible bundles

A

Muscle fascicles

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3
Q

separates fascicles from each other

A

Perimysium

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4
Q

loose connective tissue that surrounds each muscle fibers

A

Endomysium

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5
Q

cell membrane of the muscle fibers

A

sarcolemma

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6
Q

Cytoplasm of muscle fiber

A

Sarcoplasm

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7
Q

bundles of protein filaments on each muscle fibers

A

myofibrils

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8
Q

basic structural and functional unit of skeletal system

A

sarcomeres

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9
Q

Stimulate muscle to contract

A

motor neurons

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10
Q

General term of neuromuscular

A

synapse

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11
Q

Shorten forcefully of contract

A

Contractility

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12
Q

respond to a stimulus

A

Excitability

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13
Q

Stretched to their normal resting length and beyond to a limited degree

A

Extensibility

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14
Q

to recoil after they have been stretched

A

Elasticity

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15
Q

can be seen in the muscle under the microscope

A

transverse bands

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16
Q

Epimysium is also called

A

muscular fascia

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17
Q

highly organized smooth endoplasmic reticulum

A

sarcoplasmic reticulum

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18
Q

light staining band of sarcomere

A

I band

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19
Q

dark staining band of sarcomere

A

A band

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20
Q

is the center of each A band

A

H zone

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21
Q

Also called thin filaments

A

Actin myofilaments

22
Q

also called thick filaments

A

myosin myofilaments

23
Q

the inside of the cell membrane is

A

negatively charged

24
Q

the outside of the cell membrane is

A

positively charged

25
Q

motor neurons

A

specialized nerve cells that stimulates muscles to contract

26
Q

space between the presynaptic terminal and the muscle fiber membrane

A

synaptic cleft

27
Q

the axon terminal

A

presynaptic terminal

28
Q

postsynaptic membrane

A

sarcolemma

29
Q

sarcomeres shorten

A

contraction

30
Q

sarcomeres lengthen

A

relaxation

31
Q

contraction of muscle fiber in response to a stimulus

A

muscle twitch

32
Q

time between the application of a stimulus and the beginning of contraction

A

lag phase

33
Q

time during which the muscle contracts

A

contraction phase

34
Q

muscle relaxes

A

relaxation phase

35
Q

individual muscle contract more forcefully

A

summation

36
Q

sustained contraction that occurs when the frequency increases

A

tetanus

37
Q

force of contraction of individual muscle fibers is increased by rapidly stimulating them

A

summation

38
Q

the number of muscle fibers contracting is increased by increasing the number of motor units stimulated

A

recruitment

39
Q

contains I myosin as the predominant or even exclusive type

A

slow-twitch muscle

40
Q

works aerobically

A

slow-twitch fiber

41
Q

suited working anaerobically

A

fast-twitch fiber

42
Q

contract slowly

A

slow-twitch

43
Q

contract quickly

A

fast twitch

44
Q

required O2 to breakdown glucose

A

Aerobic respiration

45
Q

does not require O2

A

Anaerobic respiration

46
Q

temporary state of reduced work capacity

A

fatigue

47
Q

most common type of fatigue,involves the central nervous system rather than the muscle themselves

A

psychological fatigue

48
Q

occurs when there is too little ATP to bind myosin myofilaments

A

physiological contracture

49
Q

is the constant tension produced by body muscles over long period of time

A

muscle tone

50
Q

Increase the tension in the muscle without changing it’s length

A

Isometric contractions

51
Q

have constant amount of tension

A

isotonic

Anaphy midterm (5 decks)

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