Research by contemporary neuroscientists has shown that:
a. no new central nervous system cells are produced after infancy.
b. extended immobility can regrow severed spinal-cord axons in animals.
c. it is impossible to regrow spinal-cord axons after damage.
d. severed spinal-cord axons in an animal regrow if treated with certain nervous system chemicals.
Answer: d
You might also like to view...
Adam is driving past the scene of an automobile accident. He sees that there are a lot of other people around, so he doesn't feel that he needs to stop. This is an example of the ____ theory.
A. attribution B. catharsis C. diffusion of responsibility D. groupthink
Sami is a 5-year-old African-American girl. She is likely to
A) associate positive characteristics to both African-American and white children. B) display in-group favoritism by assigning positive characteristics to African-American children and negative characteristics to white children. C) be completely unaware of prejudice because ethnic awareness does not emerge until middle childhood. D) display out-group favoritism by assigning positive characteristics to white children and negative characteristics to African-American children.
The U.S. State Department estimates that each year _____ people are victims of sex trafficking worldwide
a. 250,000 b. 500,000 c. 1,000,000 d. 2,000,000
The sleep attacks and paralysis of individuals with narcolepsy appear to occur when
a. a person is experiencing hypnopompic hallucinations. b. a person is experiencing microsleeps. c. REM sleep intrudes into the waking state. d. NREM stage 4 sleep intrudes into the waking state.