Chapter7

Question 1

axial skeleton structure from 80 bones segregated in 3 major regions which are

Answer 1

1. skull
2. vertebral column
3. thoracic cage

Question 2

cranial bones are paired with

Answer 2

parietal and temoral bones and the unpaired frontal , occipital, sphenoid, and ethmoid bones

Question 3

spans the width of the middle cranial fossa

Answer 3

sphenoid bone

-has paired sphenoidal sinuses

Question 4

superior surface of the ethmoid is formed by the paired horizontal ____ ____

Answer 4

cribiform plates

Question 5

• maxillae
• zygomatics
• nasals
• lacrimals
• palatines
• inferior nasal conchae

Answer 5

paired bones in facial skeleton

[mandible and vomer unpaire]

Question 6

there are how many separate bones in the vertebrae

Answer 6

33. inferiorly , none of them eventually fuse to form the scarum and the tiny coccyx, remaining 24 persists as indivuals separated by intervertebral discs

Question 7

• first seven vertebrae of the neck
• next 12 of vertebrae
• 5 supporting lower back

Answer 7

• cervical
• thoracic
• lumbar

Question 8

bones of the limbs and their girdles are collectively called

Answer 8

appendicular skeleton

Question 9

consists of teh clavicle anteriorly an the scapula posteriorly

Answer 9

pectoral girldle/ shoulder girdle

Question 10

phalanges in one hand

Answer 10

14

Question 11

formed by the sacrum , pair of hip bones,

Answer 11

pelvic girdle