Lab 6 answers
1. The Squamosal suture marks the division of which cranial bones?
a. Frontal bone and Parietal bones
b. Parietal bones
c. Occipital bone and Parietal bones
d. Temporal bone and Parietal bones
d. Temporal and Parietal bones
2.
Which cranial bone is pictured above (highlighted in blue)?
The ethmoid bone
3.
Which facial bone is pictured above (highlighted in blue)?
The nasal bone
4.
Which facial bone is pictured above (highlighted in blue)?
The mandible
1.
Identify the atypical vertebra pictured above. Explain how you know which specific vertebra it
is.
C1 Atlas vertebra has a large vertebral foramen and lacks a vertebral body.
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, Portage Learning A&P 1A&P 1 101 lab exam 6 answers
2.
Based upon appearance, state which division of the vertebral column the vertebra pictured above
belongs to, and explain your answer.
This is a typical cervical vertebra. It has a small vertebral body and transverse foramen which
allow for passage of the vertebral arteries.
3.
Identify the bony landmark the lab instructor is specifying with her fingers, and describe the
function of this landmark.
Inferior articular facets join this vertebra to the vertebra inferior to it.
4.
Identify the region of the sternum specified by the lab instructor, and state which ribs articulate
to this region.
This is the region of the gladiolus or the body of the sternum. Ribs 2-10 attach directly or
indirectly to the body of the sternum.
5.
Which of the following ribs is pictured above (highlighted in blue)?
a. True rib
b. False rib
c. Floating rib
b. False rib (This is specifically rib 9. Anteriorly, it attaches indirectly to the costal cartilage of
rib 7.)
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