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Human Anatomy > Human Anatomy Test 2 > Flashcards

Human Anatomy Test 2 Flashcards

1
Q

Synarthrosis

A

No movement
Fibrous
Suture
Gomphosis
Cartilaginous
Synchondrosis

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2
Q

Amphiarthrosis

A

Little movement
fibrous
syndesmosis
cartilaginous
symphysis

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3
Q

Diarthrosis

A

Free movement
synovial
monaxial
biaxial
triaxial

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4
Q

Linear motion

A

sliding or gliding

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5
Q

Angular motion

A

angle of bones change with respect to each other

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6
Q

Rotation

A

One bone can rotate against or within another

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7
Q

Linear motion occurs at

A

Plane-type joints
-intertarsal
-intercarpal
-acromioclavicular

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8
Q

Angular motion types

A

flexion
extension
lateral flexion

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9
Q

Rotational motion types

A

left, right
medial, lateral
supination, pronation

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10
Q

Between bodies of vertebrae

A

cartilaginous joints
(symphysis)

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11
Q

MovementBetween articular processes

A

Gliding
(Synovial)

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12
Q

Muscles in the shoulder that traverse ball and socket joint

A

Supraspinatus
Infraspinatus
Teres Minor
Subscapularis

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13
Q

Dislocations

A

-acromioclavicular
-glenohumeral

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14
Q

Sprain

A

overstretching or tearing of ligaments/ joints

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15
Q

Arthiritis

A

inflammation of joint

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16
Q

Osteoarthiritis

A

inflammation of a joint resulting from breakdown of articular cartilage

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17
Q

Rheumatoid arthritis

A

Inflammation of joint due to attack on synovial components by immune system

18
Q

Excitability

A

reactive to stimuli from nervous system or environment, generate electrical and mechanical response

19
Q

Contractility

A

cells actively shorten upon simulation, generates tension

20
Q

Extensibility

A

Cells can lengthen when pulled

21
Q

Elasticity

A

Tendency to rebound to some resting length after contraction or extension

22
Q

Skeletal muscle

A

mutinucleate cells; striated
Voluntary movement

23
Q

Smooth Muscle

A

central nuclei; no striations
propels substances; involuntary control; walls of hollow organs

24
Q

Cardiac Muscle

A

single central nucleus;
visible striations;
involuntary

25
Q

Functions of skeletal muscle

A

Movement
posture
bosy position
support soft tissue
guard entrances and exits
maintain body temperature
store glucose and amino acids

26
Q

Myofibril

A

cylindrical bundle of myofilaments

27
Q

Thin myofilaments have _____

A

actin, tropomyosin, troponin and Z-line

28
Q

Thick myofilaments have _______

A

Myosin and M-line

29
Q

Skeletal muscle cells vary in

A

size, speed, amount of force and endurance

30
Q

Type 1 fibers

A

slow, oxidative, aerobic metabolism, low force generation

31
Q

Type 2B fibers

A

fast, glycolytic, big, anaerobic metabolism, high force generation

32
Q

Type 2A fibers

A

fast, oxidative, fatigue resistant, medium force generation

33
Q

Pennate

A

fibers attached to tendon at oblique angle, like a feather

34
Q

cardiac muscle is _____

A

electrically interconnected with one another

35
Q

Intercalated discs contain

A

ion channels (gap junctions)

36
Q

Ion channels let ____

A

electrical activity to spread easily from one cell to another (heartbeat)

37
Q

In smooth muscle, cells are arranged in ____

A

sheets

38
Q

Structural characteristics of smooth muscle are _____

A

actin and myosin are not arranged in sarcomeres or myofibrils; actin is attached to dense bodies scattered throughout the cell

39
Q

Functional characteristics of smooth muscle

A

contraction causes shortening and twisting
contraction slow, smooth, sustained and resistant to fatigue
contraction is involuntarily controlled

40
Q

Agonist

A

muscle that contracts during movement

41
Q

Synergist

A

assists agonist in generating movement force

42
Q

Antagonist

A

relaxes during joint movement

Human Anatomy (1 decks)

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