capitulo 8 human anatomy and Physiology examen 2
The vertebral column includes ___ cervical, ___ thoracic, and ___ lumbar vertebrae
7, 12, 5
The skull consists of _____ cranial bones and _____ facial bones.
8 cranial bones and 14 facial bones
Which bone bears the infraorbital foramen?
maxilla
A perpendicular plate is a feature of the _____ and _____ bones.
palatine; ethmoid
The pterygoid spines and optic canals are features of the _____ bone.
sphenoid
The vertebral column protects
spinal cord
What is the superior portion of the sternum called?
Manubrium
The incisive foramen and palatine process are features of which bone?
Maxilla
Which feature is unique to the axis?
dens
Which is not a feature of the ethmoid bone?
inferior nasal concha
The _________ provide passageways for spinal nerves to exit the vertebral column and travel to other parts of the body.
intervertebral foramina
Which bone is not paired?
mandible
The basin in the floor of the cranium that accommodates the temporal lobe of the brain is the
middle cranial fossa
Which bones articulate with the zygomatic bone?
Frontal, temporal, and maxilla
Which cranial fossa supports the cerebellum?
posterior
Transverse foramina are found in _____ vertebrae.
cervical
Which bone is not part of the axial skeleton?
clavicle
The clavicles articulate with the sternum at the _____ notches
clavicular
The _________ process of the mandible articulates with the temporal bone.
condylar
The spinal curvature that develops as a child learns to walk shifts the trunk weight over the legs. It is an example of a ________ curve.
secondary
The cervical and lumbar curvatures are ________ curves, and they arch ________.
secondary; anteriorly
The portion of the sphenoid bone that houses the pituitary gland is the
sella turcica
The vertebral processes that are most easily palpated along the midline of the back are the _____ processes.
spinous
The zygomatic process of the temporal bone and the _________ process of the zygomatic bone form the zygomatic arch.
temporal
Which bone bears the mandibular fossa?
temporal
Which bone is not a facial bone?
temporal
Which bone is not part of the nasal complex?
temporal
Which of the spinal curves forms when a child is about 12 months of age?
Lumbar
The ossicles are
three small bones within each ear.
Which bone is unpaired?
vomer
Which is not a cranial bone?
vomer
Which is characteristic of a female skull, as compared to a male skull?A. Chin pointed and triangular B. Mandibular angle greater than 125 degrees C. Little or no prominence to superciliary arches D. External surface of occipital bone relatively smooth
All of the choices are characteristic of a female skull
Which cervical vertebra is also known as the vertebra prominens?
C7
What is the correct order for the vertebral regions, from superior to inferior?
Cervical - thoracic - lumbar - sacral - coccygeal
Which features are found only on thoracic vertebrae?
Costal facets and demifacets
Which of these skull bones cannot be easily palpated?
Ethmoid
A young child's cranium is relatively smaller compared to the rest of its body than that of an adult. True or False
False
The posterior fontanelle normally closes within one month after birth. True or False
False
What is the inner, gelatinous region of each intervertebral disc called?
Nucleus pulposus
Which of these bones does not contribute to the region known as the pterion?
Occipital
Which bones form the calvaria?
Occipital, parietals, and frontal
Which bone bears the superior and inferior temporal lines?
Parietal
Which is not a correct pairing of bone and feature?
Parietal bone - mental foramen
Which is not a function of the vertebral column?
Passageway for cranial nerves
Which of these features is found in a lumbar vertebra?
Pedicles B. Vertebral foramen C. Spinous process D. Vertebral arch E. All of the choices are correct
What is the function of the cribriform plate?
Permits passage of the olfactory nerves
The lacrimal bone helps form both the orbital and nasal complexes. TRUE OR FALSE?
TRUE
The orbital complex includes part of the sphenoid bone? TRUE OR FALSE
TRUE
The calvaria is made up of cranial bones and is part of the skull. TRUE OR FALSE?
TRUE, calvaria (calavera)
Which curves of the vertebral column are present at birth?
Thoracic and sacral
Briefly describe the structure and function of fontanelles.
They are soft spots in the fetal and neonatal skull made of dense connective tissue. They ease childbirth and allow for post-natal skull growth (and brain growth).
One of the ossicles is the incus. True False
True
Which statement accurately describes the articulations between ribs and vertebrae?
Twelve thoracic vertebrae articulate with the ribs.
Of the following list, which describe the functions of the paranasal sinuses?
Warm and moisten inhaled air & Provide resonance to the voice
Each auricular surface of the sacrum is located on a(n)
ala
Which fontanel is the last to close?
anterior
The occipital condyles articulate with the
atlas
What is the function of the nuchal lines?
attachment for muscles and ligaments
Protection of vital organs and hematopoiesis are two functions commonly named for the __________ skeleton.
axial skeleton
Developmentally, the most significant growth in the skull occurs
before age 5
A skull with five gracile features and one robust feature is most likely a _______ skull
female
The membranous sheets that connect developing cranial bones are called
fontanelles
Which bone bears the greater and lesser cornua?
hyoid
The _______ suture is the articulation between the occipital bone and both parietal bones.
lambdoid
The sagittal suture joins the
left and right parietal bones
The hyoid bone is located between the
mandible and the larynx
The inferior termination of the sacral canal is an opening called the
sacral hiatus
Which of these is not a paranasal sinus?
mastoid sinus
Which bones form the inferior margin of the orbit?
maxilla and zygomatic
The jugular foramen is located between the _____ and _____ bones.
occipital; temporal
What is the location of the auditory ossicles?
petrous part of the temporal bone