BIO 201 EXAM 2 RIO SALADO
QUESTIONS & COMPLETE
SOLUTIONS
Why is the ____ only freely moving bone in the skull? - correct answer ✔✔Mandible;
connected to the rest of the skull by a freely moving joint
what is the only freely movable bone in the skull? - correct answer ✔✔mandible
why are the first two cervical vertebrae assigned unique names? - correct answer ✔✔have NO
intervertebral disc between them
highly modified
what are the first two cervical vertebrae named, C1 and C2 ? - correct answer ✔✔C1= atlas
C2=axis
C1 has no ___ and no ___ ____ - correct answer ✔✔no body
no spinous process
Axis has a body, spine, and other typical vertebral process, its only unusual feature is what? -
correct answer ✔✔knoblike dens, or odontoid process.
Atlas (C1) allows you to do what with your head? - correct answer ✔✔"carry" the skull
Allows you to nod "yes"
, Axis allows you to do what with your head? - correct answer ✔✔rotate it side to side saying
"no"
What is the only bone that does not articulate with another bone? - correct answer ✔✔hyoid
bone
hyoid bone is anchored by the narrow ____ _____ to the styloid processes - correct answer
✔✔stylohyoid ligaments
frontal: forms ____
-contains ____ - correct answer ✔✔sinuses
parietal: forms most of the ___ and ___ aspects of the skull - correct answer ✔✔superior
lateral
occipital: forms ____ aspect and most of the ___ of the skull - correct answer ✔✔posterior
base
temporal: has ____, ____, ____, and ____ regions - correct answer ✔✔squamous
mastoid
tympanic
pestrous
sphenoid: keystone of the cranium. Main parts are the ____, ___ ___, ___ __ , and pterygoid
processes - correct answer ✔✔body,
greater wings
lesser wings
QUESTIONS & COMPLETE
SOLUTIONS
Why is the ____ only freely moving bone in the skull? - correct answer ✔✔Mandible;
connected to the rest of the skull by a freely moving joint
what is the only freely movable bone in the skull? - correct answer ✔✔mandible
why are the first two cervical vertebrae assigned unique names? - correct answer ✔✔have NO
intervertebral disc between them
highly modified
what are the first two cervical vertebrae named, C1 and C2 ? - correct answer ✔✔C1= atlas
C2=axis
C1 has no ___ and no ___ ____ - correct answer ✔✔no body
no spinous process
Axis has a body, spine, and other typical vertebral process, its only unusual feature is what? -
correct answer ✔✔knoblike dens, or odontoid process.
Atlas (C1) allows you to do what with your head? - correct answer ✔✔"carry" the skull
Allows you to nod "yes"
, Axis allows you to do what with your head? - correct answer ✔✔rotate it side to side saying
"no"
What is the only bone that does not articulate with another bone? - correct answer ✔✔hyoid
bone
hyoid bone is anchored by the narrow ____ _____ to the styloid processes - correct answer
✔✔stylohyoid ligaments
frontal: forms ____
-contains ____ - correct answer ✔✔sinuses
parietal: forms most of the ___ and ___ aspects of the skull - correct answer ✔✔superior
lateral
occipital: forms ____ aspect and most of the ___ of the skull - correct answer ✔✔posterior
base
temporal: has ____, ____, ____, and ____ regions - correct answer ✔✔squamous
mastoid
tympanic
pestrous
sphenoid: keystone of the cranium. Main parts are the ____, ___ ___, ___ __ , and pterygoid
processes - correct answer ✔✔body,
greater wings
lesser wings
