frq's

#1

While walking barefoot, you step on a piece of glass. Before you have a chance to consciously process what has happened, you draw your foot away from the glass. Identify and explain how the following neurons deal with this painful stimulus.              sensory neurons           interneurons           motor neurons

#2

Charlotte is 88 years old and is feeling the effects of her long life. She suffered a stroke five years ago, which left the right side of her body limp. She also sometimes has trouble understanding when she is asked questions. Her doctors believe that she also may be suffering from the beginning stages of Alzheimer’s disease. Explain how each might contribute to Charlotte’s current circumstance.

motor cortex     acetylcholine     association areas     plasticity     epigenetics

#3

Explain the biological changes typically associated with the following:

sleep deprivation      REM sleep       tolerance       opiate use

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