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A&P 1 > Ch. 8 > Flashcards

Ch. 8 Flashcards

1
Q

Articulations are also known as what?

A

joints

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2
Q

What characteristic is used to classify joints as synarthrotic, amphiarthrotic or diarthrotic?

A

degree of movement they make possible

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3
Q

In craniosynostosis, the bones of the skull fuse tog at the sutures prematurely, causing the brain to grow abnormally. why would this cause abnormal brain growth?

A

sutures considered emphiartiritic to accommodate brain growth

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4
Q

What are generic examples of types of fibrous joints?

A

syndesmoses, sutures, gomphoses

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5
Q

What is a gomphosis joint?

A

Fibrous joint - tooth in jaw bone

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6
Q

A suture is an example of what type of joint?

A

fibrous

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7
Q

What type of joint is between adjacent vertebral bodies?

A

symphysis joint

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8
Q

What connects bones tog in a cartilaginous joint?

A

hyaline cartilage or gibrocartilate

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9
Q

What is the function of synchondrosis

A

allow bone lengthening

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10
Q

What does synovial membrane secrete?

A

synovial fluid

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11
Q

What happens if the synovial membrane could not secrete synovial fluid

A

cartilage wouldn’t get nutrients

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12
Q

Bones of a synovial joint are held tog by

A

joint capsule

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13
Q

What is source of oxygen and nutrients for articular cartilage

A

synovial fluid

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14
Q

What reinforces a joint capsule

A

ligaments

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15
Q

What is a bursae

A

fluid filled sacs containing synovial fluid

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16
Q

What is the fibrocartilage discs that divide a joint into two compartments

A

meniscus

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17
Q

Rotational movement is possible in what type of joint

A

ball and socket

18
Q

Most of the joints between the short bones in the ankle and wrist are

A

plane joints

19
Q

A muscle end attached to a less movable or relatively fixed parts called the

A

origin

20
Q

Define abduction

A

moving part away from midlie

21
Q

Extension

A

parts at joint farther apart, straighten knee

22
Q

Flexion

A

bending parts so they closer tog, bending knee

23
Q

Adduction

A

moving toward midline; fingers close tog

24
Q

The act of closing the fingers to make a fist is what type of joint movement?

A

flexion

25
Q

You turn your head to look at something over your shoulder. This is an example of what

A

Rotation of the head

26
Q

What joint is the largest and most complex synovial joint

A

knee

27
Q

Define dislocation

A

displacement

28
Q

What movements are permitted by the elbow joint located between the humerus and the ulna?

A

flexion and extension

29
Q

Describe plantar flexion

A

movement at the ankle pointing toes down

30
Q

Describe dorsiflexion

A

toes up towards shin

31
Q

What is the effect of activity and exercise on joints

A

lessen or forestall stiffness; they function longer

32
Q

Disuse of joints does what

A

hampers nutrient supply

33
Q

What materials are used to build artificial joints

A

small - silicone polymers ; large; titanium

34
Q

A patient is experiencing joint inflammation and pain. they undergo an arthrocentesis and their physician discovers cloudy pus filled synovial fluid. Which of these conditions is most likely occurring?

A

bacterial joint infection

35
Q

Cause of ra vs oa

A

RA - autoimmune where immune system attacks joints OA - wear and tear over time and aging

36
Q

What is rheumatoid arthritis

A

synovial membrane inflamed

37
Q

What is a sprain

A

stretch or tear to ligaments

38
Q

What type of joint is immovable?

A

suture and gonthoses

39
Q

Fibrous joints between the flat bones of the skull are

A

sutures

40
Q

One example of a multiaxial joint is the blank

A

glenohumeral

41
Q

Synovial fluid blank and blank the cartilaginous surfaces in a joint

A

moistens and lubricates

42
Q

Whan you walk up the stairs, your hip and knee joints ____ to lift your body weight

A

extend

A&P 1 (8 decks)

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