Identify a true statement about white matter in the brain.
A. Its overall volume decreases prepuberty.
B. It is composed of closely packed neurons in the cerebral cortex.
C. It is made of glial cells and myelinated axons.
D. Its decline is driven by a loss in the density of gray matter.
Answer: C
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Which statement offers the best explanation of why some middle-aged people have some long-term memory loss?
A. Middle-aged people have too much information stored; therefore, it is difficult to keep it all in long-term memory. B. Middle-aged people have too much stress in their lives, which impedes their ability to use their long-term memory capacity. C. Middle-aged people have less efficient retrieval skills for finding and retrieving information, even if the information was adequately stored in long-term memory. D. Middle-aged people's learning genes begin to deteriorate, which leads to long-term memory loss.
In studies of the long-term outcomes of women treated for anorexia nervosa or bulimia nervosa, what was a predictor of poor outcomes?
A. Depression B. Presence of a personality disorder C. Substance abuse D. Obsessive-compulsive disorder
SSRI antidepressants aid in relieving depression symptoms by
A. decreasing serotonin production in the soma. B. decreasing serotonin release. C. mimicking the action of serotonin at the postsynaptic receptor. D. increasing serotonin availability at the synapse.
The nervous system could be defined as____________________
a) a complex network of wiring and circuits that carries information to and from all parts of the body b) a specialized system that is designed to release neurotransmitters into the bloodstream anywhere in the body c) all nerves and neurons that are not contained in the brain and spinal cord but that run throughout the body itself d) a system of glands, located throughout the body, that secrete hormones and release them into the bloodstream