Prior to Your Arrival on the Scene of a Motorcycle

question 62

Multiple Choice

Prior to your arrival on the scene of a motorcycle crash, an Emergency Medical Responder contacts you via radio and reports that there is one patient who has an avulsion to her left arm. As a knowledgeable EMT, you should anticipate which one of the following?

• A) Loose flap of skin torn on her left arm
• B) Torn skin with an underlying fracture
• C) Bruised skin with a portion of bone protruding
• D) Long and deep laceration with moderate bleeding

---

Definitions:

Basilar Membrane

A membrane in the cochlea of the inner ear that plays a crucial role in sound vibration analysis and auditory processing.

Perilymph

The fluid that fills the space between the membranous labyrinth and the bone that encloses the inner ear, playing a key role in hearing and balance.

Bony Labyrinth

Part of the inner ear; contains the membranous labyrinth that forms the cochlea, vestibule, and semicircular canals.

Vestibule

An entrance or enclosed antechamber to a larger space or structure, like the entrance to the inner ear or to a building.