River Blindness Is

question 61

Multiple Choice

River blindness is

• A)endemic in Australia, New Zealand, and South Pacific islands.
• B)preventable by a vaccine administered to travelers.
• C)transmitted by mosquito vector.
• D)a disease caused by helminths invading the eyes.

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Definitions:

Suprachiasmatic Nucleus

Main biological clock; located in the hypothalamus. Important in setting circadian rhythms.

Pineal Gland

Endocrine gland located in the brain.

Cerebral Cortex

The outer layer of neural tissue of the cerebrum of the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood. It controls the basic emotions and drives.