Which of the Following Arteries Is Not Part of the Cerebral

question 145

Multiple Choice

Which of the following arteries is not part of the cerebral arterial circle (circle of Willis) ?

• A)anterior communicating artery
• B)posterior cerebellar artery
• C)posterior communicating artery
• D)anterior cerebral artery
• E)internal carotid artery

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Specific times during an organism's life span when it is especially sensitive to environmental influences or stimulations.

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Observational study designs where the researcher has no control over the experiment's variables, but a natural event acts as an experimental control.

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