Which Hearing Protection Device Provides the Best Filtering of a Broad

question 6

Multiple Choice

Which hearing protection device provides the best filtering of a broad range of frequencies?

• A) Enclosures
• B) Earplugs
• C) Superaural caps
• D) Flat-attenuation HPDs
• E) Canal-cap-style HPDs

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Definitions:

Traumatic Amnesia

Memory loss following a traumatic event, where the individual may be unable to recall important personal information or details of the trauma.

Repression

A defense mechanism in psychoanalytic theory where unwanted or distressing thoughts and memories are unconsciously pushed out of conscious awareness.

Anterograde Amnesia

A memory deficit suffered after some kinds of brain damage, in which the patient seems unable to form new explicit memories; however, memories acquired before the injury are spared.

Memory Encoding

The process of converting information into a form that allows it to be stored in the brain.