Which of the Following Statements Is TRUE About Malignant Brain

question 70

Multiple Choice

Which of the following statements is TRUE about malignant brain tumors?

• A) Most brain tumors arise from malignant neurons.
• B) Primary brain tumors rarely metastasize outside the CNS.
• C) The blood-brain barrier prevents secondary brain tumors.
• D) Brainstem tumors do not manifest signs until they are quite large.

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