Ch. 8

Question 1

Articulations are also known as what?

Answer 1

joints

Question 2

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

Answer 2

degree of movement they make possible

Question 3

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?

Answer 3

sutures considered emphiartiritic to accommodate brain growth

Question 4

What are generic examples of types of fibrous joints?

Answer 4

syndesmoses, sutures, gomphoses

Question 5

What is a gomphosis joint?

Answer 5

Fibrous joint - tooth in jaw bone

Question 6

A suture is an example of what type of joint?

Answer 6

fibrous

Question 7

What type of joint is between adjacent vertebral bodies?

Answer 7

symphysis joint

Question 8

What connects bones tog in a cartilaginous joint?

Answer 8

hyaline cartilage or gibrocartilate

Question 9

What is the function of synchondrosis

Answer 9

allow bone lengthening

Question 10

What does synovial membrane secrete?

Answer 10

synovial fluid

Question 11

What happens if the synovial membrane could not secrete synovial fluid

Answer 11

cartilage wouldn’t get nutrients

Question 12

Bones of a synovial joint are held tog by

Answer 12

joint capsule

Question 13

What is source of oxygen and nutrients for articular cartilage

Answer 13

synovial fluid

Question 14

What reinforces a joint capsule

Answer 14

ligaments

Question 15

What is a bursae

Answer 15

fluid filled sacs containing synovial fluid

Question 16

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

Answer 16

meniscus

Question 17

Rotational movement is possible in what type of joint

Answer 17

ball and socket

Question 18

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

Answer 18

plane joints

Question 19

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

Answer 19

origin

Question 20

Define abduction

Answer 20

moving part away from midlie

Question 21

Extension

Answer 21

parts at joint farther apart, straighten knee

Question 22

Flexion

Answer 22

bending parts so they closer tog, bending knee

Question 23

Adduction

Answer 23

moving toward midline; fingers close tog

Question 24

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

Answer 24

flexion

Question 25

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

Answer 25

Rotation of the head

Question 26

What joint is the largest and most complex synovial joint

Answer 26

knee

Question 27

Define dislocation

Answer 27

displacement

Question 28

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

Answer 28

flexion and extension

Question 29

Describe plantar flexion

Answer 29

movement at the ankle pointing toes down

Question 30

Describe dorsiflexion

Answer 30

toes up towards shin

Question 31

What is the effect of activity and exercise on joints

Answer 31

lessen or forestall stiffness; they function longer

Question 32

Disuse of joints does what

Answer 32

hampers nutrient supply

Question 33

What materials are used to build artificial joints

Answer 33

small - silicone polymers ; large; titanium

Question 34

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?

Answer 34

bacterial joint infection

Question 35

Cause of ra vs oa

Answer 35

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

Question 36

What is rheumatoid arthritis

Answer 36

synovial membrane inflamed

Question 37

What is a sprain

Answer 37

stretch or tear to ligaments

Question 38

What type of joint is immovable?

Answer 38

suture and gonthoses

Question 39

Fibrous joints between the flat bones of the skull are

Answer 39

sutures

Question 40

One example of a multiaxial joint is the blank

Answer 40

glenohumeral

Question 41

Synovial fluid blank and blank the cartilaginous surfaces in a joint

Answer 41

moistens and lubricates

Question 42

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

Answer 42

extend