Examlex

Solved

When a Person First Tries a Drug Such as Heroin

question 95

Multiple Choice

When a person first tries a drug such as heroin, he or she feels a "rush" of pleasure. However, as the drug wears off, discomfort and craving occur with the easiest way to end the discomfort being to take another dose, as most drug users quickly learn. Although taking another dose ends the discomfort, the drug will stop producing pleasure because of


Definitions:

Large Igneous Provinces

Vast accumulations of igneous rocks that result from the massive outpourings of lava and are associated with volcanic eruptions and plate tectonics.

Geological Events

Natural occurrences like earthquakes, volcanic eruptions, or plate movements that shape the earth's surface and environment.

Morphological Transition

A process involving a significant change in the structure or form of an organism or part of an organism usually due to genetic mutation or environmental pressures.

Anagenesis

Refers to wholesale transformation of a lineage from one form to another. In macroevolutionary studies, anagenesis is considered to be an alternative to lineage splitting or speciation.

Related Questions