Chapter 7 Review Questions

is the area of fibrous connective tissue found at birth between the brain case bones

A fontanelle ________. A. is the cartilage model for a vertebra that later is converted into bone B. gives rise to the facial bones and vertebrae C. is the rod-like structure that runs the length of the early embryo D. is the area of fibrous connective tissue found at birth between the brain case bones

a short, rounded spinous process

A typical lumbar vertebra has ________. A. a bifid spinous process B. a short, rounded spinous process C. articulation sites for ribs D. a transverse foramen

lamina that spans between the transverse process and spinous process

A typical vertebra has _________. A. a vertebral foramen that passes through the body B. a superior articular process that projects downward to articulate with the superior portion of the next lower vertebra C. lamina that spans between the transverse process and spinous process D. a pair of laterally projecting spinous processes

endochondral ossification, which forms the ribs and sternum

Embryonic development if the axial skeleton involves __________. A. intramembranous ossification, which forms the facial bones. B. endochondral ossification, which forms the ribs and sternum C. the notochord, which produces the cartilage models for the vertebrae D. the formation of hyaline cartilage models, which give rise to the flat bones of the skull

sella turcica

Parts of the sphenoid bone include the ___________. A. glabella B. sella turcica C. squamous portion D. zygomatic process

forms the vertical axis of the body

The axial skeleton ____________. A. forms the vertical axis of the body B. includes only the bones of the lower limbs C. consists of 126 bones D. includes all bones of the body trunk and limbs

hypoglossal canal, which is located in the posterior cranial fossa

The bony openings of the skull include ______________. A. carotid canal, which is located in the anterior cranial fossa B. superior orbital fissure, which is located at the superior margin of the anterior orbit C. mental foramen, which is located just below the orbit D. hypoglossal canal, which is located in the posterior cranial fossa

7 vertebrae

The cervical region of the vertebral column consists of ________________. A. 12 vertebrae B. a single bone derived from the fusion of five vertebrae C. 7 vertebrae D. 5 vertebrae

occipital bone

The lambdoid suture joins the parietal bone to the ________. A. occipital bone B. other parietal bone C. temporal bone D. frontal bone

has the foramen rotundum, foramen ovale, and foramen spinosum

The middle cranial fossa ____________. A. is divided at the midline by a small area of the ethmoid bone B. has the foramen rotundum, foramen ovale, and foramen spinosum C. is bounded anteriorly by the petrous ridge D. is bounded posteriorly by the lesser wing of the sphenoid bone

air-filled spaces found within the frontal, maxilla, sphenoid, and ethmoid bones only

The paranasal sinuses are __________. A. not connected to the nasal cavity B. air-filled spaces found within the frontal, maxilla, sphenoid, and ethmoid bones only C. divided at the midline by the nasal septum D. air-filled spaces found within all bones of the skull

are remnants of the original fetal curvature

The primary curvatures of the vertebral column ___________. A. are remnants of the original fetal curvature B. include the cervical curve C. develop after the time of birth D. include the lumbar curve

junction between the manubrium and body

The sternal angle is the _________. A. site for attachment of the clavicle B. junction between the manubrium and body C. junction between the body and xiphoid process D. site for the attachment of the floating ribs

has the sternal angle located between the manubrium and body

The sternum ________. A. has the sternal angle located between the manubrium and body B. articulates directly with the thoracic vertebrae C. receives direct attachments from the costal cartilages of all 12 pairs of ribs D. consists of only two parts, the manubrium and xiphoid process

is for articulation with the transverse process of a thoracic vertebra

The tubercle of a rib ___________. A. provides for passage of blood vessels and a nerve B. is for articulation with the transverse process of a thoracic vertebra C. is the area of greatest rib curvature D. is the articulation with the body of a thoracic vertebra

attached via their costal cartilage directly to the sternum

True ribs are ________. A. made entirely of bone, and thus do not have a costal cartilage B. ribs 8-12 C. attached via their costal cartilage to the next higher rib D. attached via their costal cartilage directly to the sternum

nuchal ligament

Which is found only in the cervical region of the vertebral column? A. nuchal ligament B. supraspinous ligament C. anterior longitudinal ligament D. ligamentum flavum

parietal bone

Which of the following is a bone of the brain case? A. zygotmatic bone B. maxillary bone C. lacrimal bone D. parietal bone

supports trunk of body

Which of the following is a function of the axial skeleton? A. protects nerves and blood vessels at the elbow B. supports trunk of body C. allows for movements of the ankle and foot D. allows for movement of the wrist and hand

vertebral column

Which of the following is part of the axial skeleton? A. thigh bone B. foot bones C. vertebral column D. shoulder bones