Although Sporadic Outbreaks of Measles Occur in the United States,the

question 37

Multiple Choice

Although sporadic outbreaks of measles occur in the United States,the disease is considered nonendemic.What differentiates measles from endemic diseases,such as chickenpox?

• A) Endemic diseases exhibit higher numbers of cases than a sporadic outbreak.
• B) Diseases that are not endemic lack a reservoir in the area.
• C) Endemic diseases do not exhibit sporadic outbreaks.
• D) Diseases that are not endemic remain in reservoirs without infecting humans.

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Definitions:

Cochlear Duct

A spiral-shaped cavity in the cochlea that plays a critical role in the process of hearing by converting sound vibrations into neural signals.

Cochlear Duct

A spiral-shaped cavity within the cochlea of the inner ear, playing a crucial role in converting sound vibrations into nerve impulses.

Vestibular Canals

Channels within the inner ear that help to control balance and spatial orientation; part of the vestibular system.

Perilymph

The fluid that is located in the space between the membranous labyrinth and the bone in the inner ear.