A cluster of warning signs preceding migraine headache, consisting of flashing lights, bizarre images, or blind spots, is known as a(n) ______.
A) prelude
B) project
C) halo
D) aura

Question

Quizplus · Accepted Answer

The cluster of warning signs preceding migraine headache is known as an aura, consisting of flashing lights, bizarre images, or blind spots. The term prelude is not commonly used in this context. The term project is not applicable to describe the warning signs. The term halo refers to a circle of light around a person's head, which is not related to migraine headaches.

A Cluster of Warning Signs Preceding Migraine Headache, Consisting of Flashing