ANAT NOTES 7 PART 1 Flashcards Preview

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Flashcards in ANAT NOTES 7 PART 1 Deck (30)
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1
Q

how many bones in axial skeleton?

A

80

2
Q

what is the only movable bone in face?

A

mandible

3
Q

two main parts of mandible

A
  • horizontal body

- two upright rami

4
Q

4 paranasal sinuses

A
  • frontal sinus
  • ethmoidal air cells (sinus)
  • sphenoidal sinus
  • maxillary sinus
5
Q

how many vertebrae in the vertebral column?

A

31

6
Q

three parts of the sternum

A

manubrium
body
xiphoid process

7
Q

rib attaches to vertebrae by…

A

ligaments

8
Q

fontanelle

A

last part of the bone to solidify

9
Q

joints A.K.A.

A

articulations

10
Q

how many pairs of cranial nerves?

A

12

11
Q

largest and strongest facial bone?

A

mandible (lower jaw)

12
Q

Air-filled sinuses are located within:

A
  • Frontal bone
  • Ethmoid bone
  • Sphenoid bone
  • Maxillary bones
13
Q

bone lies inferior to the mandible

A

hyoid bone

14
Q

only bone with no direct articulation with any other bone

A

hyoid bone

15
Q

acts as a movable base for the tongue

A

hyoid bone

16
Q

what surrounds and protects the spinal cord?

A

the vertebral column

17
Q

vertebral column is held together by…

A

ligaments

18
Q

serves as attachment sites for muscles on neck and back

A

the vertebral column

19
Q

sacrum

A

five fused bones

Inferior to lumbar vertebrae

20
Q

coccyx

A

inferior to sacrum

21
Q

the atlas (C1) lacks

A

a body and spinous process

22
Q

what allows flexion and extension of neck? Supports the skull?

A

atlas (C1)

23
Q

the axis (C2) has

A

a body and spinous process

24
Q

Cleft palate

A

A common congenital disorder; right and left halves of palate fail to fuse medially

25
Q

Stenosis of the lumbar spine

A

Narrowing of the vertebral canal; can compress roots of spinal nerves

26
Q

Scoliosis

A

an abnormal lateral curvature

27
Q

Kyphosis

A

an exaggerated thoracic curvature

28
Q

Lordosis

A

an accentuated lumbar curvature; “swayback”

29
Q

The Axial Skeleton Throughout Life

A

Membrane bones begin to ossify in second month of development;
Bone tissue grows outward from ossification centers

30
Q

Fontanelles

A

Unossified remnants of membranes