Ch 7 quiz

Question 1

In which bone is the obturator foramen located?

a. os coxa
b. femur
c. sacrum
d. coccyx

Answer 1

a. os coxa

Question 2

Which bone contains the depression that articulates with the occipital condyles?

a. atlas
b. axis
c. temporal
d. occipital

Answer 2

a. atlas

Question 3

Which suture is not paired with the bones it separates?

a. lambdoidal / occipital and parietal bones
b. squamous / temporal and sphenoid bones
c. coronal / frontal from two parietal
d. sagittal / parietal bones

Answer 3

b. squamous / temporal and sphenoid bones

Question 4

Which bone is a good illustration of intramembranous ossification?

a. occipital
b. radius
c. pollex
d. sphenoid

Answer 4

a. occipital

Question 5

Paranasal sinuses serve what purposes?

a. provide a superior and posterior boundary of the nasal complex
b. provide the lateral and inferior boundaries of the nasal complex
c. pull mucus back toward the throat
d. lighten the skull bones and provide an extensive area of mucous epithelium

Answer 5

d. lighten the skull bones and provide an extensive area of mucous epithelium

Question 6

Jose suffers a blow to the skull that fractures his nose and breaks the nasal septum superior to the vomer. What bone is broken?

a. frontal bone
b. right temporal bone
c. right parietal bone
d. ethmoid bone

Answer 6

d. ethmoid bone

Question 7

Which of these bones are paired bones of the face?

a. temporal bones
b. inferior nasal conchae
c. parietal bones
d. both A and C

Answer 7

b. inferior nasal conchae

Question 8

Which bone contains the mental foramen and what structures use that passageway?

a. parietal; none
b. occipital; hypoglossal nerves
c. temporal; internal carotid artery
d. mandible; mental nerves

Answer 8

d. mandible; mental nerves

Question 9

Which of the following are part of the ethmoid bone?

a. sella turcica, middle and inferior nasal conchae, and perpendicular plate
b. nasal conchae, crista galli, and olfactory foramina
c. superior and middle nasal conchae, optic foramen, and optic canal
d. None of the above are correct.

Answer 9

b. nasal conchae, crista galli, and olfactory foramina

Question 10

The significance of the petrous part of the temporal bone is that it serves as ____.

a. the housing for the auditory ossicles
b. a passage for the jugular vein
c. sites of attachment for muscles that move the mandible
d. the housing for the temporal sinuses

Answer 10

a. the housing for the auditory ossicles

Question 11

The axial skeleton contains the bones of the ___.

a. pelvic girdle and limb bones
b. pelvic girdle and pectoral girdle
c. skull, vertebral column, and thoracic cage
d. both B and C

Answer 11

c. skull, vertebral column, and thoracic cage

Question 12

Improper administration of cardiopulmonary resuscitation (CPR) can result in a fracture of which bones?

a. cervical vertebrae and ribs
b. thoracic vertebrae and ribs
c. sternum and thoracic vertebrae
d. sternum and ribs

Answer 12

d. sternum and ribs

Question 13

Bones of the axial skeleton have all of the following functions EXCEPT:

a. protect the brain and spinal cord.
b. provide surface area for the attachment of respiratory muscles.
c. contain medullary cavities with yellow bone marrow.
d. protect organs of the ventral body cavity.

Answer 13

c. contain medullary cavities with yellow bone marrow.

Question 14

How can you distinguish between true ribs and false ribs?

a. True ribs attach directly to the sternum by their own costal cartilage.
b. True ribs are entirely bony.
c. False ribs are not part of the thoracic cage.
d. True ribs are attached only to the sternum.

Answer 14

a. True ribs attach directly to the sternum by their own costal cartilage.

Question 15

What is the main difference between vertebrosternal and vertebrochondral ribs?

a. Vertebrosternal ribs attach to the sternum by their own costal cartilages.
b. Vertebrochondral ribs’ costal cartilages fuse and merge with cartilages from rib 7.
c. Vertebrosternal ribs increase in curvature and length from 1 to 7.
d. All of the above are correct.

Answer 15

d. All of the above are correct.

Question 16

When you run your finger along a person’s spine, what part of the vertebrae are you feeling just beneath their skin?

a. superior articular processes
b. pedicles
c. transverse processes
d. spinous processes

Answer 16

d. spinous processes

Question 17

Why are the bodies of lumbar vertebrae so large?

a. They develop first and therefore have longer to grow.
b. to provide more flexibility
c. to distribute weight over a larger area
d. to provide greater protection to the lumbar spinal nerves

Answer 17

c. to distribute weight over a larger area

Question 18

Which structures form the vertebral arch of vertebrae?

a. superior and inferior articular processes
b. pedicles and lamina
c. transverse and spinous processes
d. vertebral bodies and transverse foramina

Answer 18

b. pedicles and lamina

Question 19

Joe suffered a hairline fracture at the base of the dens. Which bone is fractured, and where is it located?

a. second cervical vertebra; posterior neck
b. first cervical vertebra; posterior neck
c. occipital bone; posterior base of skull
d. sacrum; posterior pelvis

Answer 19

a. second cervical vertebra; posterior neck

Question 20

The secondary curves of the spine are the _______.

a. lumbar and thoracic
b. cervical and sacral
c. lumbar and sacral
d. cervical and lumbar

Answer 20

d. cervical and lumbar

Question 21

The sphenoid bone contains all of the following EXCEPT:

a. optic canals.
b. superior orbital fissures.
c. external auditory meatus.
d. foramen ovale.

Answer 21

c. external auditory meatus

Question 22

What feature distinguishes cervical vertebrae 2–6 from a thoracic or lumbar vertebra?

a. bifurcated spinous processes
b. demifacets for the ribs
c. transverse foramina
d. both A and C

Answer 22

d. both A and C

Question 23

What is a consequence of early closure of one or more sutures?

a. distorted skull shape
b. brain stops growing
c. water on the brain
d. early death

Answer 23

a. distorted skull shape

Question 24

Why does the vertebral column of an adult have fewer vertebrae than that of a newborn?

a. Vertebrae are absorbed as adult stature is reached.
b. Newborns require more support in the cervical region.
c. The sacrum and coccyx fuse post-puberty.
d. Vertebrae are formed that later become ribs

Answer 24

c. The sacrum and coccyx fuse post-puberty

Question 25

Which of these bones form parts of the orbital complex and also contain paranasal sinuses?

a. sphenoid, frontal, maxillary, and lacrimal
b. zygomatic, lacrimal, frontal, and palatine
c. palatine, temporal, ethmoid, and zygomatic
d. maxillary, sphenoid, frontal, and ethmoid

Answer 25

d. maxillary, sphenoid, frontal, and ethmoid

Question 26

Several openings occur within the temporal bone for the passage of structures. Which of the following is correct?

a. foramen magnum / medulla oblongata and hypoglossal canals / hypoglossal nerves
b. hypoglossal canals / hypoglossal nerve and jugular foramen / glossopharyngeal, vagus, and accessory nerves
c. foramen lacerum / small arteries and jugular foramen / jugular vein
d. carotid canal / internal carotid artery and stylomastoid foramen / facial nerve

Answer 26

d. carotid canal / internal carotid artery and stylomastoid foramen / facial nerve