SLCC Human Anatomy Exam 1 Study Guide Questions and Answers
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Course
SLCC
Institution
SLCC
Functions of the Skeleton: - Answer-Supports soft tissues and supports the body weight, Protects some organs, Provide anchor points for skeletal muscles to pull on, to move the body
Axial Skeleton - Answer-Contains skull, vertebral column, thoracic cage
Skull - Answer-Contains cranial & facia...
SLCC Human Anatomy Exam 1 Study
Guide Questions and Answers
Functions of the Skeleton: - Answer-Supports soft tissues and supports the body
weight, Protects some organs, Provide anchor points for skeletal muscles to pull on, to
move the body
Major cavities of the skull - Answer-cranial, orbit, oral, nasal
Cranial Cavity - Answer-encloses the brain
Orbit cavity - Answer-partially encloses the eyes
oral cavity - Answer-cavity of the mouth
Nasal Cavity - Answer-Cavity of the nose
Sinuses - Answer-are air-filled spaces that connect with the nasal cavity
Sinuses do what - Answer-Make bones lighter, give resonance to voice, have a mucous
lining that humidifies and warms inhaled air
How many cranial bones aero there - Answer-8
Cranial Bones - Answer-Attachment sites for head and neck muscles, and they contain
numerous passageways for blood vessels and nerves.
Frontal Bone - Answer-single bone that forms anterior and superior regions of the skull
Frontal bone markings - Answer-Squamous, superciliary arches, labella, orbital part.
Squamous (flat) part: (frontal bone) - Answer-Forms the forehead
Superciliary arches: (frontal bone) - Answer-brow ridges
•Superior to orbits on anterior surface of frontal bone
•Larger and more pronounced in males
Glabella: (Frontal bone) - Answer-Flat space between superciliary arches
Orbital Part: (frontal bone) - Answer-Forms the roof of each orbit
, What bones have Sinuses - Answer-Frontal, ethmoid, spend maxilla
Parietal Bones: - Answer-Paired bones that form much of the superior and lateral walls
of the cranium.
Parietal Bone markings - Answer-Parietal eminence, Superior and inferior temporal
lines.
Parietal eminence: (parietal bone) - Answer-Forms rounded prominence on each side of
the skull.
Superior and inferior temporal lines: (parietal bone) - Answer-attachment sites for
temporalis muscle.
Occipital Bone: - Answer-A single bone that forms much of the back of the head, and
part of the skull. It also forms the posterior cranial fossa.
Marking on Occipital Bone - Answer-Occipital condyles, external protuberance & crest,
foramen magnum.
occipital condyles of occipital bone - Answer-articulation sites with atlas (c1)
External occipital protuberance and crest of occipital bone - Answer-Attachment site for
ligaments and muscles that move the head.
foramen magnum of occipital bone - Answer-Spinal cord exits the cranium through this
opening in the base of the skull.
Temporal Bones: - Answer-Two bones that form the inferior part of the lateral walls of
the cranium, and form part of the middle cranial fossa.
marking of temporal bone - Answer-Zygomatic process, styloid process, mastoid
process, squamous region, mandibular fossa.
zygomatic process of temporal bone - Answer-articulates with zygomatic bone to form
zygomatic arch
Styloid process of temporal bone - Answer-attachment site for muscles
mastoid process of temporal bone - Answer-attachment site of some neck muscles
squamous region of temporal bone - Answer-the lateral flat surface of the bone
mandibular fossa of temporal bone - Answer-articulates with the condylar process of the
mandible
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