Neural messages travel faster on axons which
a. are polarized.
b. are not exposed to acetylcholine.
c. are located in the hypothalamus.
d. have a myelin sheath.
d
You might also like to view...
Brain death is characterized by ____
a. ?a persistent vegetative state lasting longer than 18 months b. ?two flatline EEG recordings taken 24 hours apart c. ?a continuous comatose state lasting longer than 12 weeks d. ?EEG recordings void of beta waves for at least 48 hours
In people suffering from posttraumatic stress disorder, the startle response is ____
a. generally absent b. generally weaker than in other people c. the same as in other people d. generally stronger than in other people
Research evidence generally shows that
a. government-funded programs that provide preschoolers with enriched early environments do not work. b. Head Start programs have been shown to be irrelevant to achievement in school. c. programs such as Head Start enhance IQ scores of the children in those programs. d. a and b
The approximate cutoff IQ score of 70-75 for defining intellectual disability is based on
A. a statistical concept. B. qualitative difference in individuals with IQ scores below 70. C. neurobiological deficits that are only reflected in IQ scores below 70. D. a fairly arbitrary line drawn between intellectual disability and normal intellect