Biology 114
Introduction to cell biology and genetics
Fall 2003
Name: _______________________________
Lab section: __________________________
Axial Skeleton: Pre-lab exercise -- due at the beginning of your lab session.
I. Multiple choice: select the best answer.
1. The skull bone posterior to the foramen magnum is:
a. atlas.
b. axis.
c. occipital.
d. parietal.
2. The axial skeleton contains:
a. the skull, vertebral column, and pelvis.
b. arms, legs, hands, and feet.
c. the skull, vertebral column, and bony thorax.
d. shoulder and pelvic girdles.
3. The pituitary gland is housed in the:
a. vomer bone.
b. sinuses of the ethmoid.
c. sella turcica of the sphenoid.
d. foramen lacerum.
4. The vertebral column is formed from how many irregular bones?
a. 32
b. 36
c. 26
d. 30
5. The major function of intervertebral discs is to:
a. prevent hyperextension.
b. "string" the vertebrae together.
c. prevent spinal injuries.
d. absorb shock.
6. All of the following facial bones are paired except one. Which of the following is the unpaired facial
bone?
a. palatine
b. lacrimal
c. vomer
d. maxillae
7.
a.
b.
c.
d.
The facial bones include:
lacrimal, nasal, maxillary, mandible
frontal, lacrimal, zygomatic, sphenoid
maxillary, mandible, ethmoid, sphenoid
ethmoid, sphenoid, temporal, parietal
Biology 114
Introduction to cell biology and genetics
Fall 2003
II. Matching -- Skull
A.
B.
C.
D.
E.
F.
8. _____
9. _____
10. _____
11. _____
12. _____
13. _____
14. _____
15. _____
16. _____
17. _____
18. _____
19. _____
20. _____
ethmoid
frontal
lacrimals
mandible
maxillae
occipital
G.
H.
I.
J.
K.
L.
palatines
parietals
sphenoid
temporals
vomer
zygomatic
Forehead bone
Cheekbone
Lower jaw
Posterior part of hard palate
Single, irregular, bat-shaped bone, keystone of cranium.
Anterior part of hard palate.
Site of mastoid process
Site of cribiform plate
Site of mental foramen
Site of styloid process
Its condyles articulate with the atlas
Middle ear found here
Site of foramen ovale.
III. Matching: vertebral column and bony thorax.
A.
B.
C.
D.
E.
F.
G.
H.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
body
intervertebral foramina
atlas
axis
spinous process
coccyx
superior articular process
lumbar vertebra
I. transverse process
J. xyphoid process
K. thoracic vertebra
L. vertebral arch
M. cervical vertebra
N. manubrium.
O. body
P. sacrum
Weight bearing part of vertebra
Type of vertebra(e) containing foramina in the transverse processes.
Provides an articulation point for the ribs.
Composite bone; articulates with hip bone laterally.
Openings provide exit for spinal nerves
Massive vertebra, weight sustaining
Supports head, allows rocking motion of occipital condyles
Twelve components, unfused
Inferior part of sternum
Site of jugular notch