1.2 Skeletal System

Question 1

List the five Skeletal System Functions

Answer 1

Body movement, protection, framework, mineral storage and production of red blood cells

Question 2

List 6 bones in the arm

Answer 2

Humerus, Radius, Ulna, Carpals, Metacarpals, Phlanges

Question 3

List 7 bones in the leg

Answer 3

Femur, Patella, Fibula, Tibia, Tarsals, Metatarsals, Phlanges

Question 4

List 5 bones in the trunk / shoulder

Answer 4

Ribs, vertebrae, sternum, clavicle, scapula

Question 5

List the 3 components of a joint

Answer 5

Cartilage, Ligaments and tendons.

Question 6

Outline Cartilage

Answer 6

Smooth slightly elastic. Protects bones by absorbing impact force

Question 7

Smooth slightly elastic. Protects bones by absorbing impact force - Describes what connective tissue

Answer 7

Cartilage

Question 8

Outline Tendons

Answer 8

Inelastic and very strong. Allow movement by attaching muscle to bones

Question 9

Inelastic and very strong. Allow movement by attaching muscle to bones - Describes what connective tissue

Answer 9

Tendons

Question 10

Outline Ligaments

Answer 10

Joins bone to bone, cross over joints, Slightly elastic, Provide stability at joint to assist in prevent dislocation.

Question 11

Joins bone to bone, cross over joints, Slightly elastic, Provide stability at joint to assist in prevent dislocation - Describes what connective tissue

Answer 11

Ligaments

Question 12

List the 3 types of Joint Classifications

Answer 12

Fibrous, Cartilaginous, Synovial

Question 13

Fibrous, Cartilaginous and Synovial are all types of what?

Answer 13

Joints

Question 14

Outline Fibrous joints

Answer 14

Bones are bound by a tough fibrous tissue. They are fixed and immovable. For example

Question 15

What type of joints are bound by a tough fibrous tissue. They are fixed and immovable.

Answer 15

Fibrous

Question 16

Give an example of a Fibrous Joints

Answer 16

The skull, pelvis and sacrum.

Question 17

The skull, pelvis and sacrum are examples of what type of joints?

Answer 17

Fibrous Joints

Question 18

Outline Cartilaginous joints

Answer 18

Bones that are entirely joined by cartilage. More moveable than fibrous.

Question 19

What type of joints are charaticterised by bones that are entirely joined by cartilage and are aslightly moveable

Answer 19

Cartilaginous

Question 20

Ribs / sternum are examples of what types of joint?

Answer 20

Cartilaginous

Question 21

Give an example of a Cartilaginous Joint

Answer 21

Ribs / sternum

Question 22

Outline Synovial Joints

Answer 22

Fluid-filled joint cavity contained within a fibrous capsule. They are freely movable and are the most common type of joint found in the body.

Question 23

What type of joints are charaticterised by a Fluid-filled joint cavity contained within a fibrous capsule and arefreely movable

Answer 23

Synovial Joints

Question 24

List the 2 types of Synovial Joints

Answer 24

Ball and Socket, hinge

Question 25

Ball and Sockets, hinge are types of what Joint

Answer 25

Synovial Joints

Question 26

Outline Ball and Socket joints

Answer 26

Can move in all directions

Question 27

What type of Synovial Joint can move in all directions

Answer 27

Ball and Socket

Question 28

Give an example of a Ball and Socket Joint

Answer 28

Hip and Shoulder joints

Question 29

Hip and Shoulder Joints are examples of what kind of Synovial Joint

Answer 29

Ball and Sockets

Question 30

Outline Hinge Joints

Answer 30

Backwards and forwards movements (flexion/extension).

Question 31

Backwards and forwards movements (flexion/extension). Are the only movements possible in what type of joint?

Answer 31

Hinge

Question 32

Give two examples of a hinge joint

Answer 32

Eg Elbow knee

Question 33

Elbow and knee are examples of what type of synovial joint

Answer 33

Hinge