Exam 1: Monday 8/17/15 Flashcards Preview

Bringman class fall 2015 > Exam 1: Monday 8/17/15 > Flashcards

Flashcards in Exam 1: Monday 8/17/15 Deck (23):
1

Name the 3 parts of a bone

~epiphysis
~metaphysis
~diaphysis

2

Where is the epiphysis?

the end of the long bones; attached to the joints

3

Where is the metaphysis?

the area between the epiphysis and diaphysis

4

Where is a diaphysis?

the shaft/ midsection of the long bones

5

What is an osteon?

a functional unit of compact bone

6

What is an osteocyte?

a bone cell; a mature osteoblast that has become embedded in the bone matrix

7

What is an osteoblast?

bone forming cells

8

What is an osteoclast?

reabsorb bone during the process of growth and repair

9

What is Wolff’s law?

Weight, force will affect the amount of blast and clasts=

10

What is compact bone and where is it located?

the outside of the bone, the diaphysis, can take a lot of force, where muscles attach

11

What is spongy/ cancellous bone and where is it located?

the inside, in the neck and the head; for absorption

12

What are trabeculae?

lots of interwoven spaces; in cancellous bone- forms a meshwork of intercommunicating spaces that are filled with bone marrow

13

What is the intramedullary space/ canal?

Center of the shaft; Red and Yellow Bone Marrow is located here

14

Where does osteoporosis normally start?

starts in spongy bone- blasts/ clasts get out of balance, more blasts

15

What are Haversian Canals?

A network of canals inside compact bone and contains blood vessels, connective tissues, nerve fibers, and lymphatic vessels

16

What are lamellae?

forms centric circles around the Haversian Canals

17

What is the outside covering of the bone called?

periosteum

*has nerves- pain!

18

How long does it take for a bone to heal?

6-8 wks

19

Details on what happens at the doctor’s office after a bone break

Get a radiograph, if displaced- Set it, take another to see if it is placed, cast it- in fiberglass; partial cast/ clam shell for the first week so that they can start going through inflammation before putting on the fiberglass cast

20

What are surgical fixations that you can have done to a bone break?

~ORIF
~CRIF
~ex fix

21

What does ORIF stand for?

open reduction internal fixation

22

What does CRIF stand for?

closed reduction internal fixation

23

2 things we need to think about when treating a bone break

~Have to go above and below the joint
~Always check on WB stats for anything!