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RIO SALADO BIO 201 EXAM 2
QUESTIONS & ANSWERS 100%
CORRECT!!
Question : what is the only freely movable bone in the
skull?
Correct answer: mandible
Question : Why is the ____ the only freely moving bone
in the skull?
Correct answer: Mandible;
connected to the rest of the skull by a freely moving joint
Question : why are the first two cervical vertebrae
assigned unique names?
Correct answer: have NO intervertebral disc between
them highly modified
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Question : what are the first two cervical vertebrae
named, C1 and C2 ?
Correct answer: C1= atlas
C2=axis
Question : C1 has no ___ and no ___ ____
Correct answer: no body
no spinous process
Question : Axis has a body, spine, and other typical
vertebral process, its only unusual feature is what?
Correct answer: knoblike dens, or odontoid process.
Question : Atlas (C1) allows you to do what with your
head?
Correct answer: "carry" the skull
Allows you to nod "yes"
Question : Axis allows you to do what with your head?
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Correct answer: rotate it side to side saying "no"
Question : What is the only bone that does not articulate
with another bone?
Correct answer: hyoid bone
Question : hyoid bone is anchored by the narrow ____
_____ to the styloid processes
Correct answer: stylohyoid ligaments
Question : frontal: forms ____
Correct answer: -contains ____
sinuses
Question : parietal: forms most of the ___ and ___ aspects of the skull
Correct answer: superior
lateral
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Question : occipital: forms ____ aspect and most of the ___ of the skull
Correct answer: posterior
base
Question : temporal: has ____, ____, ____, and ____ regions
Correct answer: squamous
mastoid tympanic pestrous
Question : sphenoid: keystone of the cranium. Main parts are the ____, ___ ___, ___ __ , and pterygoid processes
Correct answer: body,
greater wings lesser wings