The Circle of Willis

question 10

Multiple Choice

The circle of Willis:

• A)is formed by the anastomosis of the internal carotid arteries with the basilar arteries
• B)restricts blood flow to one hemisphere if there is an occlusion
• C)allows collateral circulation if blood flow is reduced in one area
• D)allows a mixing of vertebral and internal carotid arterial blood because of a pressure differential

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Definitions:

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The measure of the frequency with which new cases of illness or other health phenomena occur in a population over a specified period of time.

Gynecological Cancer

A type of cancer that originates in the female reproductive organs, such as the cervix, ovaries, or endometrium.

Vulvar Cancer

A type of cancer that occurs on the outer surface area of the female genitalia.

Vaginal Discharge

Fluids secreted from the vagina which can vary in color and consistency, playing a role in cleaning and protecting the vaginal tissue.