A Headache That Is Related to Changes in Cerebral Blood

question 12

Multiple Choice

A headache that is related to changes in cerebral blood flow is classified as a/an ________ headache.

• A) tension
• B) sinus
• C) migraine
• D) intracranial

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Definitions:

Birds

Warm-blooded, feathered vertebrates that lay eggs and have wings, belonging to the class Aves.

Threatened Species

A species in which the population is small enough for it to be at risk of becoming extinct throughout all or part of its range but not so small that it is in imminent danger of extinction. Compare with endangered species.

Endangered Species

Endangered species are organisms facing a very high risk of extinction in the wild, as classified on the International Union for Conservation of Nature (IUCN) Red List.

Global Warming

The long-term rise in Earth's average surface temperature, primarily due to human activities that increase concentrations of greenhouse gases in the atmosphere.