Domoic Acid Was Identified as the Toxin Responsible for an Outbreak

question 41

Multiple Choice

Domoic acid was identified as the toxin responsible for an outbreak of human poisoning that occurred in Canada in 1987 following consumption of contaminated blue mussels. The poisoning was characterized by a constellation of clinical symptoms and signs. Among the most prominent features described was memory impairment, which led to the name Amnesic Shellfish Poisoning [ASP]. From what you have learned, which brain areas are most likely damaged?

• A)Hippcampus and amygdala
• B)Frontal lobes and associative areas
• C)thalamus and frontal lobes
• D)Cerebellum and thalamus
• E)reticular formation and pons

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Definitions:

Seismic Waves

Waves of energy that travel through the Earth's layers, produced by earthquakes or other earth movements, used to study the interior of the Earth.

Epicenter

The point on the Earth's surface that is directly above the focus of an earthquake, where the seismic waves are felt most strongly.

Hypocenter

The point within the Earth where an earthquake originates, also known as the focus of the earthquake.

Normal Fault

A type of fault where the hanging wall moves downward relative to the footwall due to extensional forces, common in divergent plate boundaries.