Chapter 8: Skeletal System(revised)

Question 1

What are the two regions of the skeleton?

Answer 1

Axial

Appendicular

Question 2

Axial

Answer 2

Head
Trunk
Vertebrate

Question 3

2 types of variations?

Answer 3

Sesamoid Bones

Sutural Bones

Question 4

Sesamoid Bones

Answer 4

form within some tendons in response to strain(patella)

Question 5

Sutural Bones

Answer 5

Extra bones in skull

Question 6

Articulations

Answer 6

Condyle

Head

Question 7

Condyle

Answer 7

rounded knob

Question 8

Head

Answer 8

expanded end of a bone

Question 9

Extensions and Projections

Answer 9

Crest

Process

Question 10

Crest

Answer 10

a narrow ridge

Question 11

Process

Answer 11

any bony prominence(projection)

Question 12

Tubercle

Answer 12

Small rounded process

Question 13

Spine

Answer 13

Sharp, narrow process

Question 14

Fossa

Answer 14

shallow and broad depression or basin

Question 15

Canal

Answer 15

Tubular passage

Question 16

Foramen

Answer 16

hole through a bone

Question 17

Sinus

Answer 17

Air filled space in a bone

Question 18

Paranasal Sinuses

Answer 18

Frontal
Sphenoid
Ethmoid
Maxillary

Question 19

5 Vertebrae Groups

Answer 19

Thoracic
Lumbar 
Cervical 
Coccygeal 
Sacral

Question 20

Cervical

Answer 20

neck, 7 vertebrae

Question 21

Thoracic

Answer 21

Chest, 12 vertebra

Question 22

Lumbar

Answer 22

Lower Back, 5 vertebrae

Question 23

Sacral

Answer 23

spine base, 5 fused vertebrae

Question 24

Coccygeal

Answer 24

tailbone, 4 fused vertebrae

Question 25

Scoliosis

Answer 25

most common, abnormal lateral deviation

Question 26

Kyphosis

Answer 26

Hunchback, result of osteoporosis

Question 27

Lordosis

Answer 27

exaggerated lumbar curvature, result of large abdominal weight

Question 28

Bones in the Thoracic Cage

Answer 28

Thoracic vertebrae Sternum Ribs

Question 29

Function of the Thoracic Cage

Answer 29

encloses heart and lungs provides attachment for pectoral girdle and upper limbs protects spleen, liver, and kidney BREATHING

Question 30

Bones in the Pectoral Girdle?

Answer 30

Clavicle (collar bone) | Scapula(shoulder blades)-

Question 31

Functions of the Pectoral Girdle

Answer 31

Supports arm and links it to the axial skeleton

Question 32

Bones in the Pelvic Girdle?

Answer 32

2 hip bones Sacrum (forms a ring)

Question 33

Functions of the Pelvic Girdle

Answer 33

support trunk of lower limbs encloses and protects the viscera of the pelvic cavity(colon,urinary bladder, reproductive organs)