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.
Correct Answer:

Verified
Correct Answer:
Verified
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