A1: Fractures

Question 1

What can you do if both the radius and ulna fracture?

Answer 1

Repair of one can act as a splint for the other

Question 2

What fractures are common in puppies dropped on the floor?

Answer 2

Lateral humeral condyle

Question 3

What are some intrinsic causes of fractures?

Answer 3

Muscular, pathological, stress

Question 4

What are stress fractures from?

Answer 4

Repetitive damage and microfractures

Question 5

What are three types of incomplete fracture?

Answer 5

Fissue, greenstick, depressed

Question 6

What is the definition of a comminuted fracture?

Answer 6

Common meeting point

Question 7

Which kind of force gives an oblique fracture?

Answer 7

Compression

Question 8

Which kind of force gives a transverse fracture?

Answer 8

Tension or avulsion

Question 9

Which kind of force gives a spiral fracture?

Answer 9

Torque

Question 10

Which kind of force gives a butterfly fracture?

Answer 10

Bending (tension and compression)

Question 11

What are two kinds of displacement?

Answer 11

Overriding or impacted

Question 12

How common is sharp dissection of nerves?

Answer 12

Not

Question 13

How long do you have to deal with an articular fracture of dislocation?

Answer 13

1-2d

Question 14

How long do you have to deal with a long bone fracture?

Answer 14

5-7d

Question 15

What is required biologically and mechanically for a fracture to heal?

Answer 15

Stability, pluripotent cells, adequate blood supply

Question 16

What is the problem with fractures in multiple limbs?

Answer 16

Will be loaded to a greater degree than single limb

Question 17

Which forces must implants resist or counteract?

Answer 17

Bending, shear, compression, torsion

Question 18

Which forces can comminuted fractures withstand?

Answer 18

None

Question 19

Which forces can oblique or spiral fractures withstand?

Answer 19

Bending and torsion (a bit)

Question 20

Which forces can transverse fractures withstand?

Answer 20

Compression very well, and also shear