Anatomy & Physiology Chapter 7: The Skeleton
Questions and Answers (100% Correct Answers)
These very small bones are at the medial wall of each orbit.
Ans: Lacrimal bone
Failure of these anterior bones to fuse causes a condition known as cleft palate.
Ans: Maxillae
This bone houses the apparatus of the internal and middle ear.
Ans: Temporal bones
This bone is wing-shaped and extends behind the eyes and forms part of the floor of
the
cranial vault.
Ans: Sphenoid
The bones that contain teeth.
Ans: Maxillae
This bone has a passageway into the nasal cavity
Ans: Lacrimal bones
The sella turcica is a portion of this bone.
Ans: Sphenoid
Region of vertebreal column that articulates with hip bones of the pelvis.
Ans: The Sacrum
Region of the vertebral column that attaches to the robs
Ans: Thoracic Curvature
Region of the vertebral column that recieves the most stress
Ans: The lumbar curvature
Region of the vertebral column where transverse formina are present
Ans: The cerival vertebrae
Region of verteral column where no foramen or canals are present
Ans: Coccyx
Region of vertebral column where the axis and atlas are present
Ans: Cervical
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Region of the vertebral column that contains the joint that allows you to shake your
head yes and no
Ans: Cervical
Part of the ethmoid bone that forms the nasal septum
Ans: perpendicular plate
Part of the ethmoid bone that contains the orbital areas
Ans: orbital plate
Part of the ethmoid bone where the olfactory bulb sits
Ans: Crista galli
Part of the ethmoid bone that is also called the "roosters comb"
Ans: Crista Galli
Part of the sphenoid bone that anchors the pterygoid muscles
Ans: Pterygoid processes
Part of the sphnoid bone that is the passageway for the optic nerve
Ans: optic canal
Part of the sphenoid bone that forms parts of the middle cranial fossa, dorsal walls
of the orbits, and external walls of the
skull.
Ans: The greater wing
Part of the sphnoid bone that Allow cranial nerves that control eye movements to
enter the orbit.
Ans: Superior orbital fissure
The fingers have three of these bones and the thumb has only two.
Ans: Phalanges
This bone articulates with the glenoid fossa.
Ans: Humerus
Forearm bone that articulates with most of the carpals.
Ans: Radius
These bones have the thickest centrum with short blunt spinous processes.
Ans: Lumbar
The fused rudimentary tailbone.
Ans: Coccyx
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A circle of bone that articulates superiorly with the occipital condyles.
Ans: Atlas
These bones have articular facets for the ribs.
Ans: Thoracic vertebrae
Allows the head to nod "yes."
Ans: Atlas
Allows the head to shake "no."
Ans: Axis
Connects occipital and temporal bones.
Ans: Occipitomastoid suture.
Connects occipital and parietal bones
Ans: Lamboid Suture
Connects temporal and parietal bones
Ans: Squamosal suture
Connects parietal and frontal bones
Ans: Coronal suture.
Connects right and left parietal bones
Ans: Sagittal suture
break in the distal end of the radius
Ans: Colle's fracture
goes through the occipital bone
Ans: Faramen Magnum
Costal cartilages join most ribs to the____.
Ans: Sternum
The tubercle of a rib articulates with the________.
Ans: transverse process of a vertebrae
In the anatomical position, the lateral forearm bone is the_____.
Ans: Raduis
The cranial vault of the skull is also called the
Ans: Calvaria
The ______ bones contain openings that allow the tear ducts to pass
Ans: Lacrimal
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Number of cervical vertebre
Ans: 7
Number of lumbar vertebre
Ans: 5
Number of thoracic vertebre
Ans: 12
Which forms the largest portion of the coxal bone?
A) ischium
B) pubis
C) ilium
D) pelvic
Ans: C) ilium
The membranous areas between the cranial bones of the fetal skull are called
________.
A) areolas
B) foramina
C) sutures
D) fontanelles
Ans: D) fontanelles
What makes up the axial skeleton?
A) the skull, vertebral column, and pelvis
B) arms, legs, hands, and feet
C) the skull, vertebral column, and rib cage
D) shoulder and pelvic girdles
Ans: C) the skull, vertebral column, and rib cage
The ethmoid bone is composed of all of the following except the ________.
A) superior nasal concha