Spinal Column Practice Flashcards
1
Q
- How many bones are in the human body?
A
206
2
Q
- How many of these bones are part of the axial skeleton? What does the axial skeleton consist of?
A
80; skull, thoracic cage, vertebral column
3
Q
- How many of these bones are part of the appendicular skeleton? What does the appendicular skeleton consist of?
A
126; arms, legs, pectoral girdle, pelvic girdle
4
Q
- What are some shapes of bones?
A
Long, short, flat, irregular
5
Q
- What are sesamoid bones?
A
short bones that form in tendons
6
Q
- A patient walks into the ER with broken carpals and tarsals from a car accident. This patient has suffered injuries to ______ bones.
A
short bones
7
Q
- What is the structure of flat bones?
A
- Two layers of compact bone with a layer of spongy bone sandwiched in between.
8
Q
How many moveable vertebrae are there in the spine?
A
24
9
Q
How many total vertebrae are there in the spine?
A
33
10
Q
- What is the first set of vertebrae called? What levels are these?
A
- Cervical vertebrae, c1-c7
11
Q
- What is the second set of vertebrae called? What levels are these?
A
- Thoracic vertebrae, t1-t12
12
Q
- What is the third set of vertebrae called? What levels are these?
A
- Lumbar vertebrae, l1-l5
13
Q
- What is the fourth set of vertebrae called? What levels are these?
A
- Sacrum, s1-s5
14
Q
- What is the fifth set of vertebrae called? What levels are these?
A
- Coccyx, co1-co4
15
Q
- What vertebrate is atlas? What about axis?
A
C1, C2
16
Q
- What joint joins the sacrum and coccyx?
A
- Sacrococcygeal joint
17
Q
- What do facet joints do?
A
- They allow us to flex and bend, allowing the first 24 moveable vertebrae glide over each other (aka Z joints)
18
Q
- There are two types of curvatures in a developing child, primary and secondary. Where is/are the primary curvatures found? What is another name for this?
A
- Thoracic and sacral curvatures are primary. Also known as kryphosis
19
Q
Where is/are secondary curvatures found? What is another name for this?
A
- Cervical and lumbar curvatures are secondary. Also known as lordosis
20
Q
- What parts of C1 do you need to know?
A
- Anterior and posterior archs with tubercles, lateral mess, transverse process, and transverse foramen (for the vertebral artery)
21
Q
C2 is the only vertebrate with what?
A
an odontoid
22
Q
- Cervical vertebrae have special spinous processes. What do we call these, and what do they look like?
A
- Bifod process, these have two little pointy ends
23
Q
- What is the space between the dens of C2 and atlas?
A
- Atlanto dens interval
24
Q
- Lamina are between what two parts of the vertebrae?
A
- Transverse and spinous processes
25
Q
- The _________ of a vertebra joins with the _______ of the vertebra inferior to it.
A
- Inferior articular process joins with the superior articular process of the vertebrae inferior to it.
26
Q
- What holes do spinal nerves exit from?
A
- Intervertebral foramen, IVF
27
Q
- What causes intervertebral discs to slowly thin out?
A
- Gravity and loss of water with age (desiccation)
28
Q
- What type of cartilage is IV disc?
A
- Fibrocartilage. Also very thin layers oh hyaline cartilage at the top and bottom of a disc.
29
Q
- An IV disc is composed of two main layers. What is the inner layer? Outer?
A
- Inner is nucleus pulposus, outer is anulus fibrosus