Bone Composition and Skeletal Anatomy

Question 1

How many bones in the body?

Answer 1

206

Question 2

Axial Skeleton

Answer 2

Central axis of the body. Includes the skull.

Question 3

How many bones are in the Axial Skeleton?

Answer 3

80

Question 4

Appendicular Skeleton

Answer 4

Includes limbs, scapula, and pelvic girdle.

Question 5

How many bones are in the Appendicular Skeleton?

Answer 5

126

Question 6

Periosteum

Answer 6

The outer covering of a long bone that is composed of dense, fibrous membrane.

Essential for bone growth, repair, and nutrition.

Question 7

Medullary Aspect

Answer 7

Contains fatty yellow tissue. Red bone marrow is stored here.

Question 8

Diaphysis

Answer 8

Primary center of bone growth

Question 9

Epiphysis

Answer 9

Secondary center of bone growth

Question 10

What age is Epiphyseal fusion complete?

Answer 10

20-25

Question 11

Metaphysis

Answer 11

Wider portion of bone where bone growth in length occurs.

Question 12

Osteology

Answer 12

The study of bones

Question 13

Ossification

Answer 13

The process by which bones are formed.

Question 14

Spongy or Cancellous

Answer 14

Portion of long bones responsible for red blood cell production.

Question 15

Hyaline or Articular Cartilage

Answer 15

Type of tissue covering ends of long bones.

Question 16

Four classifications of bones

Answer 16

Long bones
Short bones
Flat Bones
Irregular bones

Question 17

Long Bones

Answer 17

Consists of a body and two extremities.
Only in Appendicular Skeleton.

Question 18

Short Bones

Answer 18

Roughly cuboidal.
Only in wrists and ankles.
Mainly consists of cancellous tissue.

Question 19

Flat Bones

Answer 19

Two plates of compact bone w/ cancellous bone and bone marrow between.
Provides protection for interior contents and broad surfaces for muscle attachment.

Question 20

Irregular Bones

Answer 20

Bones w/ peculiar shape.

Question 21

Examples of Long Bone

Answer 21

Humerus
Femur

Question 22

Examples of Short Bone

Answer 22

Tarsal bones
Carpal bones

Question 23

Examples of Flat Bone

Answer 23

Sternum
Scapulae
Calvarium

Question 24

Example of Irregular Bone

Answer 24

Pelvic bones
Vertebrae

Question 25

Diploe

Answer 25

The narrow space between the inner and outer table of the flat bones within the cranium.

Question 26

Sesamoid Bones

Answer 26

Special type of oval-shaped bones that is embedded within the tendons.

Question 27

Largest Sesamoid Bones?

Answer 27

Patellae