Chapter 7 - The Bones of the Adult Skeltal System

Question 1

What two divisions can the adult skeleton be grouped into?

Answer 1

The adult skeleton can be grouped into the AXIAL SKELETON division or the APPENDICULAR SKELETON

Question 2

How many bones are present in the axial skeleton?

Answer 2

There are 80 BONES present in the AXIAL SKELETON

Question 3

How many bones are present in the appendicular skeleton?

Answer 3

There are 126 BONES present in the APPENDICULAR SKELETON

Question 4

What two portions make up the skull?

Answer 4

The CRANIAL and FRONTAL portions

Question 5

What makes up the pectoral girdle?

Answer 5

The CLAVICLE and SCAPULA

Question 6

What makes up the thorax?

Answer 6

The STERNUM and RIBS

Question 7

What makes up the free upper limb?

Answer 7

The…

1) HUMERUS
2) ULNA
3) RADIUS
4) CARPALS
5) METACARPALS
6) PHALANGES

Question 8

What makes up the free lower limb?

Answer 8

The…

1) FEMUR
2) PATELLA
3) TIBIA
4) FIBULA
5) TARSALS
6) METATARSALS
7) PHALANGES

Question 9

What makes up the vertebral column?

Answer 9

33 VERTEBRAE make up the vertebral column

• 7 CERVICAL
• 12 THORACIC
• 5 LUMBAR
• 5 FUSED SACRAL ( SACRUM)
• 4 FUSED COCCYGEAL (COCCYX)

Question 10

What makes up the pelvic girdle?

Answer 10

The PELVIC that consists of three fused bones: the ISCHIUM, the ILIUM, and the PUBIS

Question 11

How many classification of bone are there and what are they called?

Answer 11

There are a total of 5 different classes for bone and they are categorized by…

1) LONG
2) SHORT
3) FLAT
4) IRREGULAR
5) SESAMOID

Question 12

What structures are consisted in the axial skeleton?

Answer 12

Structures consisted in the AXIAL SKELETON are…

• the SKULL (cranium 8, face 14)
• the HYOID BONE (1)
• the AUDITORY OSSICLES (6)
• the VERTEBRAL COLUMN (26)
• the THORAX (sternum 1, ribs 24)

Question 13

What structures are consisted in the appendicular skeleton?

Answer 13

Structures consisted in the APPENDICULAR SKELETON are…

• the PECTORAL GIRDLE (clavicle 2, scapula 2)
• the UPPER LIMBS (humerus 2, ulna 2, radius 2, carpals 16, metacarpals 10, phalanges 28)
• the PELVIC GIRDLE (2)
• the LOWER LIMBS (femur 2, patella 2, tibia 2, fibula 2, tarsals 14, metatarsals 10, phalanges 28)