Sauerland: Pre-lab 6

Question 1

List four types of fractures

Answer 1

compound fracture
march fracture
diagonal fracture
transverse boot-top fracture

Question 2

What happens when you have a diagonal fracture?

Answer 2

shortening of the lower limb

Question 3

How do you find the dorsalis pedis pulse?

Answer 3

between tibialis anterior and extensor hallucis longus

Question 4

What does injury to the common fibular nerve cause? Why? What does this result in?

Answer 4

foot drop; loss of dorsiflexion of ankle; waddling gait, swing out gait, or extra flexion of the thigh

Question 5

Length of nerve fibers to muscles in the foot? If the sciatic nerve is damaged in the gluteal region, how long would it take for it to regenerate?

Answer 5

40 inches; ~3 years

Question 6

When a nerve is damaged, about how fast does it regenerate?

Answer 6

about 1mm/day

Question 7

Blood vessels that nourish the nerve fibers and their coverings

Answer 7

vasa nervorum

Question 8

What blood vessels supply the sciatic nerve?

Answer 8

inferior gluteal, perforating arteries, popliteal artery, etc

Question 9

What are these associated with?
loss of sense of position
foot drop
loss of ankle jerk
glove and stocking hypersthesia
impaired vibration sense
burning sensation in feet

Answer 9

loss of blood supply to peripheral nerves

Question 10

What can cause peripheral neuropathy?

Answer 10

diabetes
alcohol
advanced kidney disease (uremic)
drugs
smoking