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45 Cards in this Set
- Front
- Back
What does CSF stand for?
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Cerebrospinal Fluid |
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Where is Cerebrospinal Fluid produced? |
Choroid Plexus in ventricles |
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Superior portion of the brain? |
Cerebrum (Cerebral Hemispheres) |
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These muscles are primarily attached to bones or skin. |
Skeletal muscle |
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These muscles are striated / "voluntary" |
Skeletal muscle |
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These muscles are found in the heart |
Cardiac muscle tissue |
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These muscles are partially striated / "involuntary" |
Cardiac muscle tissue |
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This muscle group has visceral organs and structures / blood vessels |
Smooth muscle tissue |
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This muscle group is non striated / "Involuntary" |
Smooth muscle tissue |
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What four basic properties do all muscle tissue have? |
Excitability extensibility elasticity |
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What is needed for muscle contraction? |
Rich blood supply |
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What surrounds each muscle fiber? |
Endomysium |
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Near one or more capillaries |
Endomysium |
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This muscle type is red |
Slow-twitch oxidative muscle |
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This muscle type is red
prolonged contraction, with low power. includes postural muscle in the back |
Slow-twitch oxidative muscle |
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This muscle type is white
it is anaerobic it has fewer mitochondria but lots of glycogen |
Fast-twitch glyolytic muscles |
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This muscle type is white |
Fast-twitch glycolytic |
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This muscle type has intermediate fibre-types. |
Fast-twitch oxidative muscle |
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Muscles are a mixture of _______________ fibre types |
All three |
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What are some things that provoke change in a skeletal muscle?
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Age |
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One muscle cell formed by the fusion of hundreds of embryonic cells is = |
one muscle fibre |
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Striations of skeletal muscle result from the arrangement of thick and thin ________________ |
Myofilaments |
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Myofilament contains both __________ & ____________ |
Myosin(thick) & Actin(Thin) |
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What are the contractile proteins? |
Myosin ( thick) |
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What is the function of tropomyosin? |
Blocks active site during rest |
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What is the function of Troponin |
Controls the position of tropomyosin |
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Which muscle group is this?
Primarily attached to bones or skin Striated / voluntary multinucleate` |
Skeletal muscle
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Which muscle type is this? |
Cardiac Muscle |
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Which muscle type is this? |
Smooth muscle tissue |
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4 basic properties of muscle tissue? |
Excitability extensibility elasticity |
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What is needed for muscle contraction?
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Rich blood supply ATP Nutrients |
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_______________ (Surrounds each muscle fiber) |
Endomysium
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Which muscle type is this? |
Slow-twitch Oxidative |
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Which muscle type is this?
White anaerobic Few mitochondria but lots of glycogen Strong, rapid contractions, but fatigue easily Upper limbs |
Fast-twitch glycolytic |
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Which muscle group is this? |
Fast-twitch oxidative |
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Muscles are mixtures of all ______ fibre types |
three, dominates |
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What are the two contractive proteins?
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Myosin(thick) |
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________________: Blocks active site during rest |
Tropomyosin |
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________:Controls the position of tropomyosin |
Troponin |
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______________ ( Contractile unit)
Repeating units of myofilament down the length of a myofilbril |
Sacromere |
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Neuromuscular Junction
1.Action potential (Nerve impulse) causes release of the neurotransmitter _________________ 2. ____(Same as above) crosses the synaptic cleft. 3. _______ to the sarcolemma and initiates AP in muscle 4. Ap travels through the __________ |
Acetylcholine (Ach) |
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Contraction
1._______ from the SR binds to troponin removing tropomyosin from the actin active site 2. _______ can then bind to the actin 3. Myosin uses energy (____ + _) - pivoting the head of myosin, causing displacement of actin 4. ____ joins myosin and it releases. |
Calcium |
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Origin: Begins - generally the ________ attachment |
stationary |
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Insertion: "ends' - generally the _____________ attachment |
moveable |
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asd |
asd |