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Anatomy > Chapter 8 test > Flashcards

Chapter 8 test Flashcards

1
Q

Slight, constant contraction during consciousness

A

Tone

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2
Q

Shortens the muscles and causes movements

A

Isotonic

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3
Q

Increases muscle tension but no movement occours

A

Isometric

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4
Q

continuous sustaned contraction allowing smooth movement

A

tetanus

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5
Q

“staistep” increase in contraction with repeated stimulation before muscle relaxed

A

sommation

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6
Q

Name the type(s) of muscle tissue described:

Multinucleated

A

Skeletal

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7
Q

Name the type(s) of muscle tissue described:

Found in blood vesceles and stomache

A

smooth

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8
Q

Name the type(s) of muscle tissue described:

Voluntary

A

skeletal

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9
Q

Name the type(s) of muscle tissue described:

Branced with interlaced discs

A

Cardiac

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10
Q

Name the type(s) of muscle tissue described:

spindle-shaped

A

smooth

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11
Q

Name the type(s) of muscle tissue described:

cylindrical in shape, unbranched

A

skeletal

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12
Q

Name the type(s) of muscle tissue described:

Striated

A

Skeletal and cardiac

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13
Q

Name the type(s) of muscle tissue described:

involuntary

A

Smooth and cardiac

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14
Q

Name the type(s) of muscle tissue described

Found in heart

A

Cardiac

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15
Q

Name the type(s) of muscle tissue described:

Unstriated

A

smooth

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16
Q

Name the type(s) of muscle tissue described:

usually attached to bones

A

skeletal

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17
Q

Name the type(s) of muscle tissue described:

longest individual cells

A

Skeletal

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18
Q

Name the type(s) of muscle tissue described:

non-striated

A

smooth

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19
Q

Does the length of actin and mysin filaments change during muscle contraction

A

NO

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20
Q

this is essential for maintaining posture

A

tone

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21
Q

the third phase (period) of a muscle twitch contraction

A

relaxation

22
Q

these structures in the inlarged bulb of an axon provides energy to to make ask

A

mitochondria

23
Q

state of limpness in witch muscle tone is lost

A

Flaccid

24
Q

the cytoplasm of a muscle fiber

A

sacroplasm

25
Q

this tissue is resonsible foe most of the heat production going on in our body

A

muscle tissue

26
Q

Skelatal muscles have a _____ blood supply and a ____ nerve supply

A

Good/Good

27
Q

all of the muscle fibers in a ____ must conract or relax together

A

motor unit

28
Q

the motment of these ions from outside the sarcolemma to inside the inside causes a action potential to begin to move along

A

sodium ions

29
Q

these ions are nessasary to trigger muscle contraction

A

calcium ions

30
Q

dietary supplement that some studies shoe may result in more lifting power

A

creatine

31
Q

the storage form of glucose in our liver and muscles

A

glycogen

32
Q

this is annarobic process provides enough energy for 30-40 seconads of maxiamal activity

A

glycolysis

33
Q

conective tissue that attatches muscle to bone

A

tendon

34
Q

the source of energy for muscle contraction

A

ATP

35
Q

another name for an action potential

A

Nerve impulse

36
Q

This is required by mitochondria in the arobic production of energy for muscle contraction

A

oxygyn

37
Q

another name for muscle cells

A

fibers

38
Q

the cell membrane of muscle cells

A

sarcolemna

39
Q

atranate light and dark bands running thought the sacroplam of a muscle cell

A

striations

40
Q

a single nerve fiber and the muscle fibers it supplies

A

motor unit

41
Q

a chemical nessacary to transpher the nerve impulse to stimulate the muscle

A

ACH

42
Q

the time between the application of a stimulus and the actual shortning of the muscle

A

lanent period

43
Q

two types of skeletal muscle contractions needed for normal body movements

A

isotenic tetanus

44
Q

the connection between a nerve fiber and muscle fiber

A

neromuscular junctic

45
Q

a brief contraction of all muscle fibers of a motoe unit in response to a single stimulous

A

twitch

46
Q

Most of the Ca+2 is found here when a fuscle fiber is relaxed

A

sacroplatonic reticulum

47
Q

A stiffening of the muscles after death due to Ca+2 leaking out of the sarcoplasmic reticulum

A

rigamortis

48
Q

Name the major functions of muscles

A

movement

49
Q

the neurtransmitter released from the synptic vescles of neurons supplying skeletal muscle

A

ACH

50
Q

the thick myofillament that has inlargeed heads to form cross bridges

A

myosin

Anatomy (11 decks)

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