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TAAS SA ANAPHY EXAM CUTIE > Muscular System > Flashcards

Muscular System Flashcards

(80 cards)

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1
Q

Aka “striated muscles”

A

Skeletal muscle

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2
Q

Type of muscle with no striations

A

Smooth Muscle

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3
Q

Spindle shaped type of muscle

A

Smooth Muscle

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4
Q

Cover bones and cartilages

A

Skeletal Muscle

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5
Q

Forms the bulk of the heart walls

A

Cardiac Muscle

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6
Q

Portion between two Z-discs

A

Sarcomere

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7
Q

Part of sarcomere that disappears when the muscle contracts

A

H zone

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8
Q

Actin alone

A

I-band

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9
Q

Two types of myofilaments

A

Thin filaments and thick filaments

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10
Q

Myosin plus actin

A

A-band

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11
Q

Two uninucleate muscles

A

Cardiac Muscle and Smooth Muscle

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12
Q

Found of the walls of hollow visceral organs

A

Smooth Muscle

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13
Q

Aligned along the length of the myofibrils

A

Sarcomere

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14
Q

Made up of double stranded F-action protein molecules

A

Actin

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15
Q

Thin filament that covers the binding sites

A

Troponin I

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16
Q

Spiral over the actin that covers the actin binding sites

A

Tropomyosin

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17
Q

Myosin head with attachment sites of the myosin

A

Superior head

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18
Q

Myosin head with attachment site for ATP

A

Inferior head

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19
Q

Conveys action potential towards sarcoplasmic reticulum

A

T-Tubule

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20
Q

Stores and release calcium

A

Sarcoplasmic reticulum

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21
Q

Muscle bundle/fascicle

A

Perimyseum

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22
Q

Skeletal muscle fiber

A

Epimysium

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23
Q

Muscle fibers

A

Endomysium

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24
Q

Has branching cell fibers joined by a special gap junction called intercalated discs

A

Cardiac Muscle

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25
Center of the H Zone
M-line
26
Lighter central area of the A-band
H Zone
27
Contains tiny protein rods that hold adjacent thick filaments together
M-line
28
Forms a complex called troponin-tropomyosin complec
Troponin T
29
High affinity with calcium
Troponin C
30
Cytoplasm of a muscle fiber
Sarcoplasm
31
Cell membrane of a muscle fiber
Sarcolemma
32
Ability to receive and respond to a stimulus
Irritability/Responsiveness
33
Ability to forcibly shorten when adequately stimulated
Contractility
34
Ability of muscle fibers to stretch
Extensibility
35
Ability to recoil and resume original resting length after being stretched
Elasticity
36
Allows the motor neurons to transmit signals to muscle fiber
Neuromuscular junction
37
Neuromuscular junction where acetylcholine is stored
Synaptic vesicle
38
Main neurotransmitter of neuromuscular junction
Acetylcholine
39
Aka “nicotinic receptors”
ACH Receptors
40
Aka “Muscarinic Receptors”
ACH Receptors
41
ATP generation pathway with coupled reaction of creatinine phosphate and ADP
Direct phosphorolation
42
ATP generation pathway using aerobic cellular respiration
Aerobic pathway
43
ATP generation pathway using glycolysis and lactic acid formation
Anaerobic pathway
44
Products of aerobic pathway
32 ATP per glucose and CO2H2O
45
Products of direct phosphorolation
1 ATP per CP and creatine
46
Products of anaerobic pathway
2 ATP per glucose and lactic acid
47
No change in muscle tone
Isotonic contraction
48
Two types of isotonic contraction
Concentric and eccentric contraction
49
Load impose is constant
Isotonic contraction
50
Muscle shortening
Concentric contraction
51
Muscle lengthening
Eccentric contraction
52
No change in joint angle
Isometric contraction
53
Tension in the muscle keeps increasing
Isometric contraction
54
Attached to the immovable or less movable bone
Origin
55
Attached to the movable bone
Insertion
56
Serves as the anchor or leverage point
Origin
57
Moves toward the origin
Insertion
58
Moving the arms forward
Flexion
59
Extending the arms backward
Extension
60
Leg forward
Extension
61
Leg backward
Flexion
62
Arms sideways
Abduction
63
Arms at the side of the body
Adduction
64
Rotating arms outward
External rotation
65
Rotating arms inwards
Internal rotation
66
Moving head side to side
Rotation
67
Moving hand in a circular direction (outwards to inwards)
Circumduction
68
Aka “prime mover”
Agonist
69
Passively elongate to allow the agonist
Antagonist
70
Performs the same as the agonist
Synergist
71
Specialized synergists
Fixator
72
Obstructs unwanted motion
Synergist
73
Hold a bone still or stabilize the origin of a prime mover so all the tension can be used to move the insertion bone
Fixator
74
Muscle type with epimysium, perimysium, and endomysium
Skeletal muscle
75
Muscle type with endomysium attached to the fibrous skeleton of the heart
Cardiac Muscle
76
Muscle type with endomysium
Smooth Muscle
77
What neurotransmitter removes ACH
Achesterase
78
Tension in the muscle keeps increasing
Isometric contraction
79
What happens when calcium is released in sarcoplasmic reticulum
Action potential
80
What happens when calcium is stored in sarcoplasmic reticulum?
No action potential

TAAS SA ANAPHY EXAM CUTIE (4 decks)

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