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muscular system 1
  • Algen Ipanag III

  • 問題数 64 • 10/11/2023

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    問題一覧

  • 1

    covers each muscle fiber

    endomysium

  • 2

    covers a bundle of muscle fibers

    perimysium

  • 3

    covers the entire muscle tissue

    epimysium

  • 4

    tough collagenic fibers providing durability

    tendon

  • 5

    2 layers of smooth muscle

    circular longitudinal

  • 6

    branching muscle fibers are joined by ?

    intercalated disc

  • 7

    long ribbon like organelles

    myofibril

  • 8

    plasma membrane of the muscle cell

    sarcolemma

  • 9

    muscle properties

    irritability contractility extensibility

  • 10

    the term for a bundle of muscle fibers

    fascicle

  • 11

    prefix for muscle

    myo

  • 12

    these muscles are elongated and are called muscle fibers

    skeletal smooth

  • 13

    these are found in the hollow visceral organs

    smooth muscle

  • 14

    This is found in the heart wall

    cardiac muscle

  • 15

    these are responsible for the stripes in muscle fibers

    dark a bond light i bond

  • 16

    This the interruption between the i bond

    z disc

  • 17

    Central lighter are of the a bond

    h zone

  • 18

    This is the midline of a band, holds the thick myosin filament together

    m line

  • 19

    This is made of bundled proteins, containing atps, extend the a band and is a thick microfilament

    myosin

  • 20

    Projection of myosin that links the myosin and actin

    myosin head

  • 21

    This is the thin filament that allows the binding of myosin heads, anchored to the z disc

    actin

  • 22

    This is a specialized smooth er that holds calcium

    sarcoplasmic reticulum

  • 23

    this allows the muscle to receive and respond to a stimulus

    irritability

  • 24

    this allows the muscle to shorten when stimulated

    contractility

  • 25

    this allows the muscle to stretch and recoil

    extensibility

  • 26

    what stimulates a muscle

    nerve impulse

  • 27

    a muscle that isnstimulated is called a ?

    motor unit

  • 28

    long thread of extension, branches to terminals at neuromuscular junctions

    axon

  • 29

    this is filled with interstitial fluid and is the gap between junctions

    synaptic clef

  • 30

    This has vesicles filled with acetylcholine as neurotransmitters

    neuromuscular junction

  • 31

    These are chemicals that are neurotransmitters

    acetylcholine

  • 32

    These generate tension by attaching and detaching to pull actin towards the center

    cross bridge

  • 33

    this law states that the muscle will never contract partially

    all or none

  • 34

    1st way of graded response

    frequency

  • 35

    2nd way of graded response

    number of cell

  • 36

    this pathway is the fastest using adp and creatine phosphate

    direct phosphorylation

  • 37

    This is a high energy molecule found in muscle fibers only

    creatine phosphate

  • 38

    This pathway is used when at rest, or light to moderate exercise

    aerobic pathway

  • 39

    This pathway occurs ni the mitochondria

    aerobic pathway

  • 40

    Series of metabolic pathway is also reffered to as

    oxidative phosphorylation

  • 41

    This pathway breaks down glucose into carbon and water

    aerobic pathway

  • 42

    This pathway uses glycolysis that occurs in the cytosol

    anaerobic pathway

  • 43

    in the process of glycolysis, glucose is broken down into?

    pyruvic acid

  • 44

    If the glycolysis cant keep up with the demand for stp, the pyruvic acid is converted to?

    lactic acid

  • 45

    This is the cause of muscle soreness or cramps

    lactic acid

  • 46

    The muscle is unable to contract due to an imbalance of ions, oxygen deficit, or problems in the neuromuscular junction

    muscle fatigue

  • 47

    Not able to take in oxygen fast enough, burning sensation and breathing rapidly

    oxygen deficit

  • 48

    This is a successful contraction

    isotonic contraction

  • 49

    This contraction does not shorten the muscle, tries to slide but is pitted against an immovable object

    isometric contraction

  • 50

    The muscle is relaxed, and some of the fibers are contracting, not visible, ready for contraction

    muscle tone

  • 51

    attach to immovable or less movable bone

    origin

  • 52

    attach to movable bone

    insertion

  • 53

    major muscle movement

    prime mover

  • 54

    oppose or reverse a movement, relaxes when prime mover is active

    antagonists

  • 55

    helps the prime mover by reducing undesirable movement

    synergists

  • 56

    these hold the bone steady or stabilize

    fixator

  • 57

    this closes by contracting, found in external openings

    circular

  • 58

    converge toward a single insertion, triangular

    convergent

  • 59

    straplike, parallel to the long axis of muscle

    parallel

  • 60

    spindle shaped and is a modification of parallel

    fusiform

  • 61

    short fascicles attached obliquely to a central tendon

    pennate

  • 62

    this pennate is inserted on one sied

    unipennate

  • 63

    this pennate is inserted on opposite sides of the tendon

    bipennate

  • 64

    this pennate is inserted on several different sides

    multipennate