The Use of Chemotherapy for Brain Tumors Is Complicated by the Fact

question 54

Multiple Choice

 The use of chemotherapy for brain tumors is complicated by the fact that

• A) brain tumors do not respond to traditional chemotherapy.
• B) chemotherapy causes too much damage to neurons to be considered as a treatment for brain tumors.
• C) many substances used in traditional chemotherapy do not cross the blood-brain barrier.
• D) substances used in traditional chemotherapy mimic the actions of naturally occurring neurotransmitters.