Lect 4: Axial Skeleton

Question 1

What parts make up the nasal cavity?

Answer 1

Nasal bone, maxilla, superior nasal concha (ethmoid), middle nasal concha (ethmoid), inferior nasal concha, palatine, and sphenoid

Question 2

What are the sinuses and what are their purposes?

Answer 2

They are air-filled spaces that surround the naval cavity.

They produce mucus to help warm, humidify, and filter air. They also decrease the weight of the bone

Question 3

What are the sinuses in the face?

Answer 3

Frontal sinus, ethmoid sinus (air cells), sphenoid sinus, and the maxillary sinus

Question 4

What are the two skeletons of the body?

Answer 4

The axial skeleton and the appendicular skeleton

Question 5

What 4 parts can the bones of the axial skeleton be broken into?

Answer 5

Bones of the skull, 7accessory bones, vertebral column, and thoracic cage

Question 6

How many bones of the skull are there and what two parts can they be broken into?

Answer 6

22 bones. Broken into the neurocranium and the facial skeleton (viscerocranium)

Question 7

How many bones are in the neurocranium (brain case) and what are they called?

Answer 7

8 bones.
Frontal
Parietal (2)
Occipital
Ethmoid (middle and superior nasal concha)
Sphenoid (bat shape)
Temporal (2)

Question 8

What are the features of the temporal bone?

Answer 8

External acoustic meatus
Mastoid process
Styloid process