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SAC A&P I > Ch. 7 Skeleton > Flashcards

Ch. 7 Skeleton Flashcards

1
Q

Skull formed by ___ and ___ bones.

A

Cranial & Facial

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2
Q

Cranium divided into a ___ and a ___.

A

Vault & Base

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3
Q

Internal cranial base divided into three ___.

A

Fossa

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4
Q

Fontanel

A

Un-ossified mesenchyme that develops into dense connective tissue

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5
Q

The cranium is comprised of 8 cranial bones:

A 
Frontal
Parietal (L & R)
Occipital
Temporal (L & R)
Sphenoid
Ethmoid
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6
Q

The facial skeleton is made up of 14 bones:

A 
Mandible
Maxillary (2)
Zygomatic (2)
Nasal (2)
Lacrimal (2)
Palatine (2)
Vomer
Inferior Nasal Conchae (2)
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7
Q

The ___ is the largest and strongest facial bone.

A

Mandible

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8
Q

___ and ___ are the only moveable skull bones.

A

Mandible & Auditroy Ossicles

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9
Q

What bone does not articulate with any other bone?

A

Hyoid

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10
Q

What bone supports the tongue?

A

Hyoid

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11
Q

Scoliosis

A

Abnormal lateral rotation

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12
Q

Kyphosis

A

Abnormal dorsal thoracic curvature “hunchback”

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13
Q

Kyphosis is common in people with ?

A

Tuberculosis of spine, ricketts, or osteomalacia

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14
Q

Lordosis

A

Accentuated lumbar curvature “swayback”

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15
Q

Lordosis is common in people with ?

A

Pot bellies & pregnant women

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16
Q

The Atlas (C1) has no ___ or ___.

A

Body & spinous process

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17
Q

The bone for nodding the head “yes”.

A

Atlas

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18
Q

The sacrum is composed of ___ fused vertebrae.

A

5

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19
Q

The coccyx is composed of ___ fused vertebrae.

A

4

20
Q

The sternum is composed of ___, ___, and the ___.

A

Manubrium
Middle body
Xiphoid process

21
Q

Which bone is NOT considered part of the cranium?

A) Ethmoid
B) Lacrimal
C) Sphenoid
D) Occipital

A

Lacrimal

22
Q

What is the suture found between the two parietal bones?

A

Sagittal suture

23
Q

Which of the following cranial bones is unpaired?

Zygomatic
Frontal
Temporal
Parietal

A

Frontal

24
Q

Which cranial bone spans the width of the cranial floor?

A

Sphenoid

25
Q

Which of the following bones does not contain a sinus?

Frontal
Nasal
Maxillary
Sphenoid

A

Frontal

26
Q

Identify the region of the sphenoid bone in contact with the pituitary gland.

A

Hypophyseal fossa of sella turcica

27
Q

Identify the region of the sphenoid bone that contains the optic canal.

A

Lesser wings

28
Q

Which part of a vertebra is known as the centrum?

A

Body

29
Q

Which of these regions of the vertebral column would be most accessible from a posterior surgical approach?

Body
Pedible
Vertebral foramen
Lamina

A

Lamina

30
Q

Identify the articulation site that allows us to nod our head “yes”.

A

Occipital bone & Atlas

31
Q

Identify the articulation site that allows us to rotate our head, e.g. shaking the head “no”.

A

Atlas & Axis pivoting around the Dens

32
Q

Identify the region of the skull that articulates with the atlas.

A

Occipital condyles

33
Q

Identify the socket of the shoulder joint.

A

Glenoid fossa

34
Q

Which region of the hip bone articulates with the sacrum?

A

Auricular surface of the ilium

35
Q

Which landmark of the hip bone can be felt on a hard chair?

A

Ischial tuberosity

36
Q

Identify the indentation that is inferiorolateral to the auricular surface.

A

Greater sciatic notch

37
Q

Identify the articulation site on the hip bone for the femur.

A

Acetabulum

38
Q

Identify the large hole in the hip bone.

A

Obturator foramen

39
Q

Which bony landmarks can be palpated on the anterior surface of the body, close to the midline?

A

Pubic tubercles

40
Q

Identify the landmark that is unique to the femur.

A

Trochanter

41
Q

Identify the landmark found on the diaphysis of the femur.

A

Linea aspera

42
Q

The flat surface of the tibia that articulates with the femur is the superior surface of which landmark?

A

Medial and lateral condyles

43
Q

Identify the anatomical landmark resulting in a noticeable bump found on the medial surface of the ankle.

A

Medial malleolus

44
Q

Identify the blunt elevation found on the anterior surface of the tibia between the lateral and medial condyles.

A

Tibial tuberosity

45
Q

On a busy orthopedic service, you encounter several patients, each of whom has broken a different bone in the lower extremity. Which complete fracture will probably allow the earliest resumption of normal walking?

Femoral
Tibial
Fibular
Calcaneal

A

Fibular

SAC A&P I (13 decks)

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