When the driver's chest strikes the steering wheel during a motor vehicle collision, what produces the next injury?
A) The air bag deploys a second time.
B) The steering column shears off, causing penetrating trauma.
C) Unsecured objects in the vehicle become projectiles.
D) The heart continues its forward motion until it strikes the chest wall.
Question 2
A responsive patient is complaining of a migraine headache, of which she has a known medical history. Which one of the following would be most appropriate when conducting her secondary exam?
A) Auscultate breath sounds.
B) Assess for pedal edema.
C) Look for jugular venous distention.
D) Assess her visual acuity.
A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
How lateral inhibition produces contrast enhancement. (Based on Ratliff, 1972.)
Chest X-ray.
Chest x-ray of lung cancer; cancer is seen on the left side.
Flail Chest Occurs When Three or More Adjacent Ribs Fracture in Two or More Places
Penetrating Trauma to the Heart (Nail) as Seen on Lateral Chest X-Ray