Biomechanics and Passive Safety Measures Quiz

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Questions and Answers

What percentage is a woman more likely than a man to be seriously injured in a car accident?

47%

What percentage is a woman more likely than a man to be moderately injured in a car accident?

71%

What percentage is a woman more likely than a man to die in a car accident?

17%

What is the main gender-based difference in vehicle safety highlighted in the text?

Men are more likely than women to be involved in car accidents, but women are more likely to be seriously injured, moderately injured, and to die when involved in car accidents. Signup and view all the answers

What are some passive safety measures for occupant protection?

up-front mounted crash sensors, driver airbag, passenger airbag, curtain airbag, control unit, belt retractor, algorithm, belt pretensioner, seat position sensor, belt force limiter, seat ramp, occupant detection systems, seat airbag, vehicle structure, pedal release system, knee airbag, side airbags, active headrests Signup and view all the answers

How is polytrauma defined?

Several coincident injuries of different body regions, of which at least one or the combination of more is life-threatening. Signup and view all the answers

What is the #1 cause of death for people younger than 40 in Germany?

Traffic accident Signup and view all the answers

What is the definition of speed trauma?

Injuries due to high kinetic energy of the human body or an object, often leading to polytrauma. Signup and view all the answers

What is submarining in the context of car accidents?

Critical vertical kinematic of the pelvis relative to the lap belt, causing a high loading of the abdomen Signup and view all the answers

How does the ossification of the skeleton in children relate to the risk of injury in car accidents?

The iliac crest of children is not yet ossified but deformable and soft, which can cause severe injuries if the lap belt intrudes in the abdomen during an accident. Booster seats and child seats can guide the belt on top of the leg and prevent submarining. Signup and view all the answers

What is the danger associated with using cheap booster seats for children without belt guides?

Serious injury risk, especially due to submarining, as the lap belt may intrude in the abdomen and cause severe injuries. Signup and view all the answers

How does the pelvis contribute to the correct routing of the lap belt in car accidents?

The form of the iliac crest supports the correct routing of the lap belt, preventing submarining and reducing the risk of abdominal injuries. Signup and view all the answers

What is the impact of the femur moving forward during car accidents?

It impacts the instrument panel and is loaded in the longitudinal direction, posing a risk of injury. Signup and view all the answers

Why are injuries to the pelvis in car accidents considered unusual?

The pelvis is a very strong bone, and injuries in car accidents are pretty unusual. Signup and view all the answers