Lewis Had a Hereditary Disorder That Caused His Cochlear Hair

question 22

Multiple Choice

Lewis had a hereditary disorder that caused his cochlear hair cells to progressively die, beginning with those nearest to the oval window and then on to the rest of the hair cells. What will be the earliest problem noticed?

• A) high-frequency deafness
• B) vertigo
• C) color blindness
• D) anosmia

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Definitions:

Pyroclastic Flow

A swiftly flowing stream of heated gas and volcanic substances that descends a volcano's slope when there's a violent eruption.

Fluid Lava

Molten rock material expelled by a volcano during an eruption, characterized by its low viscosity which allows it to flow easily.

Eruption Column

A tall, dense column of ash, gas, and volcanic debris ejected into the atmosphere during an explosive volcanic eruption.

Pahoehoe Lava

A form of basaltic lava exhibiting a smooth, unbroken surface and often developing into rope-like patterns.