Ch Pt 2

Question 1

sella turcia

Answer 1

“turk’s saddle” it protects the pituitary gland, which is the body’s gland master

Question 2

Four bones that have perinasal sinuses

Answer 2

(cranium) Frontal, sphenoid, ethmoid, and maxilla

Question 3

Foramen magnum

Answer 3

the largest foramen in the skull

Question 4

external occipital protuberance

Answer 4

knot on back of head

Question 5

bones of the hard palate

Answer 5

4 bone; maxilla (palatine process), Maxilla, Palatine (horizontal plate) and Palatine

Question 6

Cribriform foramina

Answer 6

olfactory, sense of smell

Question 7

How many cranial bones?

Answer 7

8; frontal bones, parietal bones (2), occipital bones, Temporal bones (2), sphenoid bone, ethmoid bone

Question 8

What does the occipital bone articulate with?

Answer 8

1st vertebrae

Question 9

4 major regions of temporal bones

Answer 9

Squamous, tympanic, mastoid, and petrous

Question 10

Mastoiditis

Answer 10

Inflammation of the mastoid process when it becomes infected

Question 11

Sphenoid bone

Answer 11

Bat or butterfly shaped; keystone bone; Greater wing, lesser wing, and pterygoid process

Question 12

ethmoid bone

Answer 12

Deepest skull bone; superior part of nasal septum and roof of nasal cavities; contributes to the medial wall or orbits; christa galli for dural attachment

Question 13

How many facial bones?

Answer 13

14; mandible, maxillary (2), Zygomatic, Nasal, Lacrimal (2), Palatine (2), vomer, inferior nasal conchae (2)

Question 14

Muscles in neck

Answer 14

you have a TON of muscles in your neck. They attach to your hyoid bone

Question 15

Hyoid bone

Answer 15

Sesamoid bone imbedded in neck muscles. Adds stability to the neck . forensic effect: When one is strangled or throat is sliced, it usually breaks. movable base for tongue. site of attachment for swallowing and speech

Question 16

Mandible

Answer 16

lower jaw, largest strongest bone of the face, temporomandibular joint. The only freely moveable joint in skull

Question 17

Maxillary

Answer 17

medially fused to form upper jaw and central portion of facial skeleton. Keystone bones, and maxillary sinuses

Question 18

Keystone bones

Answer 18

articulates with all other facial bones except mandible

Question 19

Zygomatic bones

Answer 19

Cheekbones, inferolateral margins of orbits

Question 20

lacrimal fossa

Answer 20

houses lacrimal sac (tear duct)

Question 21

How many bones in the orbits

Answer 21

7; frontal, sphenoid, zygomatic, maxilla, palatine, lacrimal, and ethmoid