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.
Answer: C
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You are more likely to help another person if
a. you are feeling a diffusion of responsibility. b. you have an image of yourself as a helpful person. c. the person is very different from you. d. all of these conditions are present.
Which of the following is not a multiple comparison procedure we have discussed in class or seen in the texts
a. Fisher's LSD test. b. The Stroop test. c. The Bonferroni test. d. The Newman-Keuls test.
Insulin in the blood appears to be interpreted by the brain as __________.
A. a hunger signal B. an indicator of the entry of fat into the duodenum C. a satiety signal D. a signal that the body requires food
If one person has a brain weighing 1000 grams and another has a brain weighing 1500 grams, the difference most likely reflects
A) a major difference in intelligence. B) water content. C) body size. D) both water content and body size.