Regarding circadian rhythms, jet lag, and shift work, which of the following statements is FALSE?
a. People are usually more motivated and alert at the high point of their circadian rhythms.
b. Adjusting to jet lag is slowest when you stay indoors.
c. Shift work changes on the body are very different from those caused by jet lag.
d. A few intermittent five-minute periods of exposure to bright light early in the morning are helpful for resetting your circadian rhythm.
ANSWER: c
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One property of action potentials is that they move in one direction down the axons of neurons. This occurs due to the ______.
A. electrostatic pressure B. rate of diffusion C. relative refractory period D. absolute refractory period
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What will be an ideal response?
An administrator believes that the placement of motivational
posters on the walls in classrooms of academic buildings will lead to increased GPAs at his school. To test his theory, he randomly assigns certain classrooms within the College of Liberal Arts and Sciences to have the posters, while others do not. None of the remaining four academic colleges have any posters placed in their classrooms. What is the independent variable in this study? A) Academic college B) Classroom wall hangings C) Gender of the student D) Grade point average