bio 201 exam 2 rio salado CORRECT 100%

bio 201 exam 2 rio salado CORRECT
100%
what is the only freely movable bone in the skull? - ANSWERmandible

Why is the ____ the only freely moving bone in the skull? - ANSWERMandible;
connected to the rest of the skull by a freely moving joint

why are the first two cervical vertebrae assigned unique names? - ANSWERhave
NO intervertebral disc between them
highly modified

what are the first two cervical vertebrae named, C1 and C2 ? - ANSWERC1= atlas
C2=axis

C1 has no ___ and no ___ ____ - ANSWERno body
no spinous process

Axis has a body, spine, and other typical vertebral process, its only unusual feature
is what? - ANSWERknoblike dens, or odontoid process.

Atlas (C1) allows you to do what with your head? - ANSWER"carry" the skull
Allows you to nod "yes"

Axis allows you to do what with your head? - ANSWERrotate it side to side saying
"no"

What is the only bone that does not articulate with another bone? - ANSWERhyoid
bone

hyoid bone is anchored by the narrow ____ _____ to the styloid processes -
ANSWERstylohyoid ligaments

frontal: forms ____
-contains ____ - ANSWERsinuses

parietal: forms most of the ___ and ___ aspects of the skull - ANSWERsuperior
lateral

occipital: forms ____ aspect and most of the ___ of the skull - ANSWERposterior
base
the lower jaw - ANSWERmandible

list in order from top to bottom the vertebral column - ANSWERC- 7 cervical
T- 12 thoracic
L- 5 lumbar
S- 5 sacrum