Chapter 3 part 4

Question 1

temporal bones

Answer 1

form the sides and base of the cranium

Question 2

external auditory meatus

Answer 2

opening of the external auditory canal of the outer ear

Question 3

meatus

Answer 3

external opening of a canal

Question 4

sphenoid bone

Answer 4

irregular wedge shape bone at the base of the skull; this bone makes contact with all of the other cranial bones and helps form the base of the cranium, sides of the skull and the floors and sides of the eye sockets

Question 5

ethmoid bone

Answer 5

light, spongy bone, located at the roof and sides of the nose

Question 6

auditory ossicles

Answer 6

three tiny bones located in each middle ear; the malleus, incus and stapes

Question 7

nasal bones

Answer 7

form the upper part of the bridge of the nose

Question 8

zygomatic bones

Answer 8

aka cheekbones articulated with the frontal bone that makes up the forehead

Question 9

maxillary bones

Answer 9

forms most of the upper jaw

Question 10

palatine bones

Answer 10

form the front part of the hard palate of the mouth and the floor of the nose

Question 11

lacrimal bones

Answer 11

make up part of the socket of the eye

Question 12

inferior conchae

Answer 12

thin scroll-like bones that form part of the interior of the nose

Question 13

vomer bone

Answer 13

forms the base of the nasal septum

Question 14

mandible

Answer 14

aka jawbone is the only moveable bone of the skull

Question 15

temporomandibular joint

Answer 15

joint where the mandible is attached to the skull

Question 16

thoracic cavity

Answer 16

aka rib cage is the bone structure that protects the heart and lungs

Question 17

true ribs

Answer 17

1st seven pairs of ribs

Question 18

false ribs

Answer 18

next three pairs of ribs that attach by cartilage to the sternum

Question 19

floating ribs

Answer 19

only attached in the back by vertebrae

Question 20

sternum

Answer 20

aka breast bone is a dagger shaped bone in the middle of the chest

Question 21

manubrium

Answer 21

bony structure that forms the upper portion of the sternum

Question 22

body of sternum

Answer 22

aka gladiolus is the bony structure that forms the middle portion of the sternum

Question 23

xiphoid process

Answer 23

structure made of cartilage that forms the lower portion of the sternum

Question 24

pectoral girdle

Answer 24

aka shoulder girdle supports arms and hands

Question 25

girdle

Answer 25

a structure that encircles the body

Question 26

clavicle

Answer 26

aka collarbone is a slender bone that connects the manubrium of the sternum to the scapula

Question 27

scapula

Answer 27

shoulder blade

Question 28

acromion

Answer 28

extension of the scapula that forms the high point of the shoulder