Synovial Joints Quiz

Question 1

What are synovial joints?

Answer 1

Those in which the articulating bone ends are separated by a joint
- containing synovial fluid

Question 2

What are synovial bone ends separated by?

Answer 2

Synovial fluid

Question 3

How do synovial joints move?

Answer 3

All are freely moveable

Question 4

How many distinguishing features doe synovial joints have?

Answer 4

Four

Question 5

What is articulating cartilage (synovial joints)? (What does it cover)

Answer 5

A type of cartilage that covers the ends of the bones forming the joint

Question 6

What are fibrous articular capsules? (synovial joints)

Answer 6

The joint surfaces are enclosed by a sleeve or capsule of fibrous connective tissue

Question 7

What is the fibrous articular capsule lined with? (2)

Answer 7

• The capsule is lined with a smooth synovial membrane
• The reason these joints are called synovial joints

Question 8

What are bursae?

Answer 8

Flattened fibrous sacs
- lined with synovial membrane and containing a thin film of synovial fluid

Question 9

What are bursae lined with and what do they contain? (2)

Answer 9

• Lined with synovial membrane
• Containing a thin film of synovial fluid

Question 10

Where are bursae commonly found?

Answer 10

Common where ligaments, muscles, skin, tendons, or bones rub together

Question 11

What type of movement does a plane joint have?

Answer 11

Movement is a gliding or slipping movement

Question 12

What kind of articulating surfaces do plane joints have?

Answer 12

The articulating surfaces are flat

Question 13

What kind of movements do plane joints have?

Answer 13

Nonaxiel

Question 14

What is a nonaxiel movement?

Answer 14

Gliding doesn’t involve rotation around any axis

Question 15

Where is a plane joint / nonaxiel movement found?

Answer 15

Intercarpal joints of the wrist
- Ankle

Question 16

What is a hinge joint?

Answer 16

Where the cylindrical end of one bone fits into a trough-shaped surface of another bone

Question 17

What kind of movement do hinge joints have?

Answer 17

Angular movement

Question 18

What is an angular movement?

Answer 18

Allowed in just one plane, like a mechanical hinge

Question 19

Where is a hinge joint / angular movement found? (3)

Answer 19

Elbow joint
Ankle joint
Joint between phalanges of fingers

Question 20

What is a pivot joint?

Answer 20

The rounded end of the bone fits into a sleeve or ring of bone (and possible ligaments)

Question 21

What kind of movement do pivot joints have?

Answer 21

Uniaxiel

Question 22

What is a uniaxial movement?

Answer 22

Rotating bone can only turn around its long axis

Question 23

Where is pivot joint / uniaxial movement found? (3)

Answer 23

• Joints between atlas
• Dens of the axis
• Ulna and radius bones that rotate your forearm

Question 24

What does condyloid mean?

Answer 24

Means knuckle-like

Question 25

What is a condyloid joint?

Answer 25

Forms when the egg-shaped articular surface of one bone fits into a oval concavity in another bone

Question 26

What do condyloid joints allow for?

Answer 26

Allow the moving bone to travel from side to side and also back and forth

Question 27

What kind of movement is a condyloid joint?

Answer 27

Biaxiel

Question 28

What is a biaxial movement?

Answer 28

Occurs around two axes

Question 29

Example of condyloid joint / biaxial movement? (2)

Answer 29

• joints of knuckle
• wrist

Question 30

What is a saddle joint?

Answer 30

When each articular surface has both convex and concave areas, like a saddle

Question 31

What kind of movement do saddle joints have?

Answer 31

Biaxiel

Question 32

What other joints have biaxial movements?

Answer 32

• Condyloid
• Saddle

Question 33

Example of saddle joint / condyloid joint?

Answer 33

• Carpometacarpal joints of the thumb

Question 34

What are ball and socket joints?

Answer 34

Has the spherical head of one bone fitting into a round socket in another

Question 35

What kind of movement do ball and socket joints have?

Answer 35

Multiaxial

Question 36

What are multiaxial joints?

Answer 36

Allow movement in all axes, including rotation

Question 37

What kind of “moveable” are ball and socket joints?

Answer 37

They are the freely moveable of the synovial joints

Question 38

Example of ball and socket joints / multiaxial movement?

Answer 38

• Hips
• Shoulders