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Physiology/Anatomy > Chapter 8 Test Review Part One > Flashcards

Chapter 8 Test Review Part One Flashcards

0
Q

Identify contraction- shortens the muscle and causes movement

A

Isotonic

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1
Q

Identify contraction- Slight, constant contraction during consciousness

A

Tone

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2
Q

Identify contractions- increase muscle tension but no movement occurs

A

Isometric

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3
Q

Identify contractions- continuous sustained contraction allowing smooth movement

A

Tetanus

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4
Q

Identify contractions- “stairstep” increase in contraction with repeated stimulation before muscle has completely relaxed

A

Summation

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5
Q

Name the type of muscle tissue described- multinucleated

A

Skeletal

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6
Q

Name the type of muscle tissue described- found in blood vessels and stomach

A

Smooth

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7
Q

Name the type of muscle tissue described- voluntary

A

Skeletal

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8
Q

Name the type of muscle tissue described- branched with intercalated discs

A

Cardiac

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9
Q

Name the type of muscle tissue described- spindle shaped

A

Smooth

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10
Q

Name the type of muscle tissue described- cylindrical in shape; unbranched

A

Skeletal

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11
Q

Name the type of muscle tissue described- striated

A

Skeletal/smooth

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12
Q

Name the type of muscle tissue described- involuntary

A

Cardiac/smooth

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13
Q

Name the type of muscle tissue described- found in heart

A

Cardiac

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14
Q

Name the type of muscle tissue described- unstriated

A

Smooth

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15
Q

Name the type of muscle tissue described- usually attached to bones

A

Skeletal

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16
Q

Name the type of muscle tissue described- longest individual cells

A

Skeletal

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17
Q

Name the type of muscle tissue described- non striated

A

Smooth

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18
Q

Does the length of actin and myosin filaments change during muscle contraction?

A

No

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19
Q

This is essential for maintaining posture

A

Tone

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20
Q

The third phase (period) of a muscle twitch contraction

A

Relaxation

21
Q

These structures in enlarged bulb of an axon provide energy to make ACh

A

Mitochondria

22
Q

State of limpness in which muscle tone is lost

A

Flaccid

23
Q

The cytoplasm of a muscle fiber

A

Sacoplasm

24
Q

This tissue is responsible for most of the heat production going on in our body

A

Muscle tissue

25
Q

Skeletal muscle have a ___ blood supply and a ___ nerve supply

A

Good/good

26
Q

All the muscle fibers in a ___ must contract or relax together

A

Motor unit

27
Q

The movement of these ions from outside the sarcolemma to inside causes an action potential to begin to move along

A

Sodium ions

28
Q

These ions are necessary to trigger muscle contraction

A

Calcium ions

29
Q

Dietary supplement that some studies show may result in more lifting power

A

Creatine

30
Q

The storage form of glucose in our liver and muscles

A

Glycogen

31
Q

This anaerobic process provides enough energy for 30-40 sec of maximal activity

A

Glycolysis

32
Q

Connective tissue that attaches muscle to bone

A

Tendon

33
Q

The source of energy for muscle contraction

A

ATP

34
Q

Another name for an action potential

A

Impulse

35
Q

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

A

Oxygen

36
Q

Another name for muscle cells

A

Fibers

37
Q

The cell membrane of muscle cells

A

Sarcolemma

38
Q

Alternate light and dark bands running through the sarcoplasm of a muscle cell

A

Striations

39
Q

A single nerve fiber and the muscle fibers it supplies

A

Motor unit

40
Q

A chemical necessary to transfer the nerve impulse to stimulate the muscle

A

Acetylcholine (ACh)

41
Q

The time between the application of a stimulus and the actual shortening of the muscle

A

Latent period

42
Q

Two types of skeletal muscle contractions needed for normal body movements

A

Isotonic/tetanus

43
Q

The connection between a nerve fiber and a muscle fiber

A

Neuromuscular junction

44
Q

A brief contraction of all muscle fibers of a motor unit in response to a single stimulus

A

Twitch

45
Q

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

A

Sarcoplasmic reticulum

46
Q

A stiffening of the muscle after death due to Ca+2 leaking out of the Sarcoplasmic reticulum

A

Rigor mortis

47
Q

Name the major function of muscles

A

Movement, stabilize, regulate organ volume, heat production

48
Q

The neurotransmitter released from the synaptic vesicles of neutrons supplying skeletal muscle

A

ACh

49
Q

The thick mayo filament that had enlarged heads to form cross bridges

A

Myosin

Physiology/Anatomy (22 decks)

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