Chemotherapy can have a negative "double effect" on the brain for what reason?
A) The treatment itself penetrates the brain by destroying the brain-blood barrier.
B) The treatment itself may not penetrate the brain, but it destroys the brain-blood barrier.
C) The treatment itself may not penetrate the brain, but it can weaken the brain-blood barrier.
D) The treatment is seldom successful because the brain-blood barrier prevents most of it from reaching the target areas.
C
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What does the Root operation supplement involve?
A) Joint replacement or exchange. B) Exchanging a device replacing it with a similar one. C) Putting in/on a biological or synthetic material to reinforce. D) Correcting a malfunctioning device.
You note a 5-year-old seizing as you approach him. What observation or piece of information would be most alarming?
A) The patient has no history of seizures. B) The patient has a history of leukemia. C) The patient is incontinent of urine and feces. D) The patient has been seizing for 8 minutes.