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A&P Lab Exam 2 > Skeletal System Week 3 > Flashcards

Skeletal System Week 3 Flashcards

1
Q

How many bones int he axial skeleton?

A

80 bones

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2
Q

How many vertebrae bones?

A

26

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3
Q

How many ribs? Pairs of ribs?

A

24 rib bones. 12 pairs

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4
Q

How many bones in the skull?

A

22 bones + 6 ossicles (which are tiny bones) = 28 bones total in the skull

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5
Q

Name all the main bones of the axial skeleton.

A 
Skull
Vertebrae
Sternum
Ribs
Hyoid
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6
Q

How many different parts are there in the Vertebral system?

A

5

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7
Q

Name all the parts in the Vertebrae skeletal system.

A 
Cervical vertebrae
Thoracic vertebrae
Lumbar Vertebrae
Sacrum
Coccyx
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8
Q

How many parts of the Cervical, thoracic, and/or lumbar vertebrae should you know?

A

7 parts

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9
Q

Name the parts of the Cervical, thoracic, and/or lumbar vertebrae should you know?

A 
Vertebral foramen
Body
Transverse processes
Spinous processes
Superior articular process & facet
Inferior articular process & facet
Intervertebral foramen
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10
Q

What is the total number of cervical vertebrae?

A

7 total

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11
Q

Name the two types of cervical vertebrae.

A

C1: Atlas
C2: Axis

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12
Q

What is so special about the C1: Atlas vertebrae in the cervical vertebral system?

A

It does not have a body

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13
Q

What is so special about the C2: Axis vertebrae in the cervical vertebral system?

A

It has a “dens”.

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14
Q

What is another name for the dens of the C2: Axis vertebrae of the cervical vertebral system?

A

odontoid process

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15
Q

What is an odontoid process?

A

Another name for the dens of the C2: Axis vertebrae of the cervical vertebral system.

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16
Q

What is unique about the cervical vertebrae?

A

They have transverse foramina, which are not found on any other vertebrae.

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17
Q

What is the total number of Thoracic vertebrae?

A

12 total

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18
Q

What do the thoracic vertebrae look like?

A

Giraffe head

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19
Q

What is unique about the thoracic vertebrae?

A

They have Costal facets, which are not found on any other vertebrae.

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20
Q

What is the purpose of costal facets?

A

They articulate with ribs.

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21
Q

What vertebrae have costal facets?

A

Thoracic vertebrae.

22
Q

Where are costal facets located on thoracic vertebrae?

A

They are located on the bodies and transverse process of most of the thoracic vertebrae.

23
Q

What is the total number of lumbar vertebrae?

A

5 total

24
Q

What do lumbar vertebrae look like?

A

A moose head.

25
Q

Sacrum is formed by?

A

“5 fused together…”

26
Q

What part of the sacrum must we know?

A

Auricular surfaces.

27
Q

What do the auricular surfaces do?

A

Articulate with the coxae.

28
Q

Coccyx is formed by?

A

“4 plus/minus fused together…”

29
Q

Where are the ribs attached?

A

Attach to sternum by costal cartilage.

30
Q

How do you tell a right rib from a left rib?

A

?

31
Q

What is a true rib?

A

?

32
Q

What is a false rib?

A

?

33
Q

What is a false floating rib?

A

?

34
Q

How many parts of the rib must we know?

A

Know 6 parts

35
Q

What parts of each rib must we know?

A 
Head
Articular facets
Neck
Tubercle
Costal groove
Sternal End
36
Q

What do the articular facets of the ribs do?

A

they articulate with the thoracic vertebrae

37
Q

How does the sternum attach to the ribs?

A

attach to ribs via costal cartilage

38
Q

What is the sternum made up of?

A

3 bones:
Manubrium
Body
Xiphoid process

39
Q

Define axial skeleton.

A

The part of the skeleton that includes the skull, vertebrae, sternum, ribs, and hyoid. Axial skeleton has a total of 80 bones.

40
Q

Define appendicular skeleton

A

?

41
Q

Whats the difference between the pectoral girdle and the pelvic girdle?

A

?

42
Q

What makes up the upper extremity?

A

?

43
Q

What makes up the lower extremity?

A

?

44
Q

What part of a rib articulates with the transverse process of a vertebra?

A

tubercle

45
Q

What is the most inferior portion of the sternum?

A

xiphoid

46
Q

What two features do cervical vertebrae have that no other vertebrae have?

A

The transverse foramina - the left and the right.

47
Q

What is the name of the superior portion of the sternum?

A

The manubrium.

48
Q

The superior articular process of a vertebra articulates with what specific structure?

A

The superior articular process of a vertebrae “articulates with the inferior facet on the inferior process on the superior vertebra”.

49
Q

How many lumbar vertebrae are in the human body?

A

five

50
Q

Name the second cervical vertebrae.

A

Axis

51
Q

Does the hyoid bone have any solid bony attachments?

A

no, its attached by muscles.

52
Q

What is a rib that attaches to the sternum by the cartilage of another rib?

A

A false rib. These ribs (8-12) are also called vertebrochondral ribs.

A&P Lab Exam 2 (1 decks)

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