Jamie's Sleep Patterns Have Been Erratic Over the Course of the Past

question 116

Multiple Choice

Jamie's sleep patterns have been erratic over the course of the past few months, and she lacks the energy to do anything except lay on her couch. Jamie also feels completely hopeless, and she wonders if life is worth living anymore. Jamie is most likely suffering from

• A)major depression.
• B)dysthymic disorder.
• C)mania.
• D)cyclothymic disorder.

---

Definitions:

Evaporation

The process by which water turns from a liquid into a vapor, often under the influence of heat.

Cohesion

Property of a substance (such as water) that arises from the tendency of its molecules to resist separating from one another.

Osmosis

Diffusion of water across a selectively permeable membrane; occurs in response to a difference in solute concentration between the fluids on either side of the membrane.

Sieve Elements

Living cells that compose sugar-conducting sieve tubes of phloem. Each sieve tube consists of a stack of sieve elements that meet end to end at sieve plates.