Week 1 - When Things Break

Question 1

Three ways failure can occur

Answer 1

Selecting the wrong material, the wrong component, or a design that does not meet the needs of the patient

Question 2

True or False: Children need a more durable prosthesis because they do more strenuous activities other than walking

Answer 2

True

Question 3

Most injuries are due to ____

Answer 3

Structural breakage

Question 4

When material collapses and buckles under heavy load

Answer 4

Ductile

Question 5

Much more dangerous, occurs from manufacturer defect, random

Answer 5

Brittle

Question 6

True or False: We are not legally responsible for product liability and malpractice

Answer 6

False

Question 7

Defect in design, materials, or construction; failure to warn of reasonable risks

Answer 7

Product liability

Question 8

Any departure from accepted standards of health care or safety that harms a patient

Answer 8

Malpractice

Question 9

Malpractice includes acts of;

Answer 9

OMISSION AND COMMISSION

Question 10

Failing to do something

Answer 10

Omission

Question 11

Doing something incorrectly

Answer 11

Commission

Question 12

CPO needs both _______ liability and _______ liability insurance coverage to practice

Answer 12

Product and professional

Question 13

What does the ABCD rule stand for? (The rule required to be malpractice)

Answer 13

Accept, breach, cause, damage

Question 14

Research has shown that ________________________ with lead to a higher likelihood of being sues

Answer 14

Spending les time with patients

Question 15

_____ procedures commonly result in claims of malpractice

Answer 15

Common

Question 16

_____ _______ are most common and fail the most

Answer 16

Foot orthoses

Question 17

P+O devices are only as strong as their ________ ______

Answer 17

Weakest link

Question 18

What percent of PO failures are due to client misuse?

Answer 18

5

Question 19

What percent of failures occur in first 6 months?

Answer 19

Half

Question 20

Occurs when there is alternating loading applied to the structure

Answer 20

Fatigue

Question 21

While walking, the load will be higher than the body weight due to ________

Answer 21

Momentum

Question 22

True or False: Alternating loading that leads to failure is avoidable

Answer 22

False

Question 23

True or False: stress concentrations are avoidable

Answer 23

True

Question 24

Stronger material but heavier

Answer 24

Steel

Question 25

Gets weaker over time, but is lighter

Answer 25

Aluminum

Question 26

Best material for strength and lightweight but is extremely expensive

Answer 26

Titanium

Question 27

Strong but shatters like glass when overloaded

Answer 27

Carbon fiber

Question 28

Less brittle aluminum allow will result in less ______

Answer 28

Failure

Question 29

_______ increases margin for failur

Answer 29

Weight

Question 30

_______ __________ pylons provide a greater margin for safety

Answer 30

Larger pylons

Question 31

Concept of keeping tension side away from compression side that creates equivalent strength with less weight

Answer 31

I-Beam