Chapter 7: Joints

Question 0

What are the three classes of joints based on structure?

Answer 0

1. ) Fibrous
2. ) Cartilaginous
3. ) Synovial

Question 1

What is Articulation(joint)?

Answer 1

A place where bones meet

Question 2

Describe the fibrous joint

Answer 2

No joint cavity, held together with fibrous C.T.

Question 3

Describe the Cartilaginous joint

Answer 3

No joint cavity, held together with cartilage

Question 4

Describe the Synovial joint

Answer 4

Has joint cavity, held together by ligaments

Question 5

Name the three classes of joints according to the amount of movement they permit.

Answer 5

1. ) Synarthrosis: immovable joint
2. ) Amphiarthrosis: slightly movable
3. ) Diarthrosis: Freely movable

Question 6

Sutures between skull bones are examples of

Answer 6

Synarthrotic

Question 7

Discs between vertebrae are examples of

Answer 7

Amphiarthrotic

Question 8

Attachment of a tooth to its socket in the mandible or maxilla is

Answer 8

Synarthrotic

Question 9

More mobile that a suture but less mobile than a joint like elbow is

Answer 9

Amphiarthrotic

Question 10

The symphysis pubis is an example of

Answer 10

Amphiarthrotic

Question 11

The distal end of the tibia/fibula is an example of

Answer 11

Amphiarthrotic

Question 12

The epiphysial plate in growing bone is an example of

Answer 12

Synarthrotic

Question 13

Hyaline cartilage that covers ends of articulating bones

Answer 13

Articular cartilage

Question 14

It lubicates the joints and nourishes the cartilage

Answer 14

Synovial fluid

Question 15

Inner layer of the articulate capsule that produces synovial fluid

Answer 15

Synovial membrane

Question 16

Pad of cartilage to help stabilize the joint

Answer 16

Meniscus

Question 17

Together these form the articulate capsule

Answer 17

Fibrous capsule and synovial membrane

Question 18

Fluid-filled sac that cushions movements

Answer 18

Bursa

Question 19

The joint allowing for the greatest degree of movement

Answer 19

Ball-and-socket

Question 20

Flat surfaces of the carpals or tarsals move across each other

Answer 20

Gliding

Question 21

The joint at the wrist between the radius and carpals

Answer 21

Condyloid

Question 22

Moves in a single plane at the knee or elbow

Answer 22

Hinge

Question 23

He joint between the carpals and the metacarpal of the thumb

Answer 23

Saddle

Question 24

The rounded head of the radius moves within the radial notch of the ulna

Answer 24

Pivot

Question 25

Movement of the bone around its own axis

Answer 25

Rotation

Question 26

Movement away from the midline of the body

Answer 26

Abduction

Question 27

Palm faces upward or forward

Answer 27

Supination

Question 28

Downward movement of a body part

Answer 28

Depression

Question 29

Movement toward the body midline

Answer 29

Adduction

Question 30

Movement of the mandible or shoulder backward

Answer 30

Retraction

Question 31

Turning the palm so it faces downward or backward

Answer 31

Pronation

Question 32

Upward movement of a body part

Answer 32

Elevation

Question 33

Movement of a distal end of a body part in a circle

Answer 33

Circumduction

Question 34

Beyond the plane of extension

Answer 34

Hyperextension

Question 35

Movement of the sole of the foot inward

Answer 35

Inversion

Question 36

Movement of the foot so the toes point downward

Answer 36

Plantarflexion

Question 37

How are arthritis and rheumatism related?

Answer 37

Arthritis is a form of rheumatism

Question 38

"Wear and tear" arthritis causing deterioration of the articulate cartilage is...

Answer 38

Osteoarthritis

Question 39

Displacement of the bone from its joint is..

Answer 39

Dislocation

Question 40

Overstretching a muscle is a

Answer 40

Strain