Bones

Question 1

5 Functions of Bones

Answer 1

• Structural Support
• Protection
• Growth Centre
• Reservoir of Minerals
• Movement

Question 2

Structural Support

Answer 2

Support tissue, muscles and provide framework from the body

Question 3

Protection

Answer 3

Protective cage for delicate parts of the body

Ex. Skull protects the brain

Question 4

Growth Centre

Answer 4

Red blood cells are produced in the bone marrow

Question 5

Reservoir of Minerals

Answer 5

Calcium and phosphorus are stores

Question 6

Movement

Answer 6

Muscles attach to the bones and provide levers for movement

Question 7

5 Classification of Bones

Answer 7

• Long Bones
• Short Bones
• Flat Bones
• Irregular bones
• Sesamoid Bones

Question 8

Long Bones

Answer 8

Tubular shell with a cavity in the middle

Ex. Humerus, femur

Question 9

Short Bones

Answer 9

Small bones with no bone marrow

Ex. Carpals bone/tarsals (wrist and ankles)

Question 10

Flat Bones

Answer 10

Flat and thin bones with no marrow cavity

Ex. Skull, scapula, ribs

Question 11

Irregular Bones

Answer 11

Weird looking bones that have no marrow cavity

Ex. Vertebra

Question 12

Sesamoid Bones

Answer 12

Small, flat bones wrapped within a tendon

Ex. Patella knee cap

Question 13

Ligament

Answer 13

Bone to bone

Question 14

Tendon

Answer 14

Muscle to bone

Question 15

4 Parts of a Bone

Answer 15

• Epiphysis
• Epiphyseal Plate (Growth Plate)
• Diaphysis
• Appositional Growth

Question 16

Epiphysis

Answer 16

Both ends of the bone inside the articulating surface

Question 17

Epiphyseal Plate (Growth Plate)

Answer 17

The band inside of the epiphysis

Question 18

Diaphysis

Answer 18

Centre of the bone

Question 19

Apposition Growth

Answer 19

Bone thickening bones will increase in thickness to accommodate muscle pulling
-bones continue to grow until internal maturation or nutritional signals indicate stopping

Question 20

5 Things Bone Size Dependant On

Answer 20

• Genetics
• Stresses
• Disease
• Injury
• Nutrition

Question 21

3 Bone Land Marks

Answer 21

• Elevations
• Articulating Pieces
• Holes and Grooves

Question 22

Elevations

Answer 22

• Linear elevation: spine or a ridge
• Prominent ridge - is a crest
• Tuberosity - a large round elevation (tibia tuberosity)

Question 23

Articulating PIeces

Answer 23

• Head - a rounded articular area of the bone

- Condyle - same as a “head” (knuckles)

Question 24

Holes and Grooves

Answer 24

• Fossa -small hollow or pit

- Notch - an indent at the edge of a bone