Describe how morphine and cocaine affect the nervous system
What will be an ideal response?
Morphine
After several weeks of regularly using opiates, a person's brain produces less of its own endorphins and relies more on the outside supply of opiates. As a result, a person becomes addicted to taking opiates and must administer one or more doses daily to prevent withdrawal symptoms.
Cocaine
The primary effect of cocaine is to block reuptake of the neurotransmitter dopamine, which means that dopamine stays around longer to excite neighboring neurons. Cocaine also excites dopamine receptors to produce euphoria and glutamate receptors to produce a craving for more of the drug.
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Which statement is correct regarding memory loss in middle-aged people?
A. All middle-aged people can expect to experience significant memory loss. B. Middle-aged people may attribute absentmindedness stereotypically to aging, even though they have actually been absentminded most of their lives. C. All middle-aged people will experience some memory loss starting in their 40s, with memory loss stabilizing around 70. D. Middle-aged people have memory loss for specific facts.
Placing objects in a series is termed decentration.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. Linear perspective is a depth cue that requires only one eye to experience. 2. We tend to perceive objects higher in our visual field as closer than objects lower in our visual field. 3. The interposition of two objects allows us to determine with reasonable accuracy how far apart the two objects are. 4. Interposition is a binocular depth cue. 5. The closer the object at which you're looking, the smaller the binocular disparity.
What refers to the ability to live and function independently of others?
a. personal autonomy c. mental competence b. instrumental maturity d. individual determination