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Terms in this set (101)
Inferior orbital foramen
Support the superior portion of the bridge of the nose and connect to the cartilages that form the inferior portion of the nose
Supports the larynx and is the attachment site for muscles of the larynx, pharynx, and tongue
Support the upper teeth and form the inferior orbital rim, the lateral margins of the external nares, the upper jaw, and most of the hard palate.
Form the superior and lateral surfaces of the cranium
Forms the anteromedial floor of the cranium, the roof of the nasal cavity, and part of the nasal septum and medial orbital wall
Blood vessels supplying the eyebrow, eyelids, and frontal sinuses
Internal acoustic canal
Blood vessels and nerves supplying the inner ear
Surrounds the connection between the brain and spinal cord
Permits the passageway of the carotid artery, a major artery to the brain
Protects the nasolacrimal duct, which carries tears to the nasal cavity
The four curvatures of the spine are the cranial, cervical, thoracic, and lumbar curvatures.
While there is no cranial curvature in the spine, the coccygeal region is included in the vertebral column and does have curvature.
The occipital condyles, atlas, and axis are responsible for superior, inferior, and rotational movements of the skull.
The superior and inferior motion is synonymous with nodding your head to indicate "yes," while the rotational movement at the axis and atlas is what is done when you shake your head to indicate "no."
The hyoid bone is part of the axial skeleton.
The hyoid bone is anterior to the cervical vertebrae and is part of the axial skeleton.
The orbital complex is made of the frontal bone, maxillary bone, lacrimal bone, sphenoid bone, ethmoid bone, zygomatic bone, and nasal bone.
A small portion of the palatine bone articulates with the lateral mass of the ethmoid and is included in the orbital complex. The nasal bone is not included in the orbit.
The membranous intervals between the angles of the parietal and neighboring bones of a fetus's or newborn's skull are called fontanels.
The fontanels allow the skull to deform during birth.
Which of the following is NOT part of the axial skeleton?
Which of the following is NOT a cranial bone?
Air-filled cavities found in some bones of the skull are called __________.
Except for the mandible, all bones of the skull articulate at joints called __________.
Which bone forms the posterior and inferior portions of the cranium and contains a large opening called the foramen magnum?
Which of the following bones contains the auditory ossicles?
Which of the following forms the lower jaw?
Which of the following bones does NOT directly articulate with the skull but is an important site for muscle attachment for the larynx, pharynx, and tongue?
Which bone contains the olfactory foramina in the cribriform plate?
Which of the following bones is NOT part of the orbital complex?
Which bones form part of the bridge of the nose?
Which of the following statements about fontanelles is FALSE?
Fontanelles have all completely ossified by the end of the first year of a child's life.
Which of the following is the largest fontanelle and is commonly called the "soft spot" in newborn babies?
Which of the following statements about spinal curvature is FALSE?
Adults and newborn infants have four spinal curves.
What is the term for the opening in the vertebra that encloses the spinal cord?
What is the name of the first cervical vertebra?
What type of vertebra is characterized by short, stumpy spinous processes and large bodies?
Which of the following consists of five fused vertebrae and articulates with the pelvic girdle?
The first seven ribs are called __________, and they connect to the sternum by individual costal cartilages.
Which of the following is NOT one of the three parts of the sternum?
How can the axial skeleton be recognized?
It forms the longitudinal axis of the body.
How many bones does the human skeleton contain?
Of the following selections, which one includes bones found exclusively in the axial skeleton?
skull, vertebrae, ribs, sternum, hyoid
The axial skeleton creates a framework that supports and protects organ systems in the __________.
cranial and thoracic cavities
There are __________ cranial bones, __________ facial bones, __________ auditory ossicles, and __________ hyoid(s).
8; 14; 6; 1
Which of the following collections of bones includes ones that are unpaired in the skull?
occipital and frontal
The associated bones of the skull include the __________.
hyoid and auditory ossicles
The sagittal suture joins __________.
the parietal bones to each other
The sutures that articulate the bones of the skull are the __________.
lambdoidal, sagittal, coronal, and squamous
The bones that make up the eye socket, or orbit, include the __________.
lacrimal, ethmoid, and sphenoid
Foramina, located on the bones of the skull, serve primarily as passageways for __________.
nerves and blood vessels
The lines, tubercles, crests, ridges, and other processes on the bones represent areas that are used primarily for __________.
attachment of muscles to bones
The superior and middle nasal conchae can be found as a part of which bone?
The sinuses, or internal chambers in the skull, are found in the __________.
sphenoid, frontal, ethmoid, and maxillary bones
The nasal complex consists of __________.
all of the listed bones
In which of the following groups does each bone contain a sinus?
ethmoid, sphenoid, frontal, and maxillary
The mucous membrane of the paranasal sinuses responds to environmental stress by __________.
accelerating the production of mucus
Why can the skull be distorted without damage during birth?
Fibrous connective tissue connects the cranial bones.
In a warm climate, which fontanelle might indicate dehydration in an infant?
Why does the most significant growth in the skull occur before five years of age?
The brain stops growing, and cranial sutures develop.
The primary spinal curves that appear late in fetal development __________.
accommodate the thoracic and abdominopelvic viscera
An abnormal lateral curvature of the spine is called __________.
Which of the following statements about the thoracic cage is FALSE?
The sternum does not ossify until an individual reaches 30 years of age.
Which are the largest and most massive of the vertebrae?
Of the following, which correctly identifies the sequence of the vertebrae from superior to inferior?
cervical, thoracic, lumbar, sacrum, coccyx
Which of the following is NOT likely to cause kyphosis?
abdominal obesity causing an exaggeration of the lumbar curvature
C1 and C2 have specific names, which are the __________.
atlas and axis
The sacrum consists of five fused elements that afford protection for __________.
reproductive, digestive, and excretory organs
The primary purpose of the coccyx is to provide __________.
an attachment site for a muscle that closes the anal opening
The first seven pairs of ribs are called true ribs, whereas the lower five pairs are called false ribs. Why are the false ribs so named?
They do not attach directly to the sternum.
The skeleton of the chest, or thorax, consists of __________.
thoracic vertebrae, ribs, and sternum
The three components of the adult sternum are the __________.
manubrium, body, and xiphoid process
When do brain growth, skull growth, and completion of cranial suture development occur?
before age 5
The area of the greatest degree of flexibility along the vertebral column is found from __________.
C3 to C7
After a hard fall, compression fractures or compression/dislocation fractures most often involve the __________.
last thoracic and first two lumbar vertebrae
Which vertebral process projects posteriorly?
The intervertebral foramina __________.
permit the passageway of nerves to and from the spinal cord
The skull articulates with the vertebral column at __________.
the occipital condyles
What is the long framework of the sphenoid bone that houses the pituitary gland?
The growth of the cranium is usually associated with __________.
the expansion of the brain
Beginning at the superior end of the vertebral canal and proceeding inferiorly, __________.
the diameter of the vertebral foramen decreases, and the size of the vertebral body increases
The vertebrae that are directly articulated with the ribs are the __________.
The head of a rib articulates at __________.
the body of the vertebra
Joey feels the bones of his vertebral column under his skin as he runs his fingers along his back. What part of a vertebral bone is he actually feeling?
Which bones conduct sound vibrations from the tympanum to the inner ear?
A diagnosis of lordosis indicates what spinal condition?
TMJ syndrome is a misalignment of the __________ at the temporomandibular joint.
On examination of a vertebral bone, you notice not only that it contains a vertebral foramen but also that two foramina are in the transverse processes of the vertebrae. This bone comes from which portion of the vertebral column?
The parietal bone is located in the __________.
The foramen magnum connects the __________ with the __________.
cranial cavity; vertebral cana
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