____ help keep arteries clear.
A. Trans fats
B. Serotonin
C. High-density lipoproteins
D. Steroids
Answer: C
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Suppose that people are working on an ongoing task. They are most likely to forget to complete a prospective-memory task if
a. they create a mental image of that prospective-memory task. b. they are performing the ongoing task automatically. c. the ongoing task is relatively easy. d. they create some concrete, external reminder of the prospective-memory task.
The cells that produce myelin in the parts of the nervous system outside of the brain and spinal cord are called ______.
A. Ranvier cells B. astrocytes C. oligodendrocytes D. Schwann cells
As a treatment for the mentally ill, Pinel approved of ____ and argued effectively against the use of ____.
a. bloodletting; the use of punishment and exorcism b. mild punishment; physical abuse c. whirling in a chair; harsh punishment d. bathing and mild purgatives; the use of punishment and exorcism
The ______ the sample size, the lower the variability in the distribution of sample means.
A. smaller B. more diverse C. larger D. concentrated