Jeremy Spent Several Sleepless Nights Studying for Final Exams

question 72

Multiple Choice

Jeremy spent several sleepless nights studying for final exams.During the first few days after the semester ended,he averaged nearly 12 hours of sleep.He then settled back to 7.5 to 9 hours of sleep a day.The unusually lengthy sleep time of the first few days after exams suggests that Jeremy ended the semester with

• A) sleep apnea.
• B) narcolepsy.
• C) low melatonin levels.
• D) a sleep debt.

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Definitions:

Ethologists

Scientists who study the behavior of animals in their natural environment to understand universal and species-specific behaviors.

Biologists

Scientists who study living organisms and their interactions with each other and their environments.

Ventricles

Cavities within the brain that produce and contain cerebrospinal fluid, important for protecting and nourishing the brain.

Meninges

The three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that encase the brain and spinal cord.