The 2016 Fayette, Iowa, population is 1,491. There are 1,009 people per square mile (population density). The median age is 22.6. The US median is 37.4. 25.71% of people in Fayette, Iowa, are married. 6.22% are divorced.
During the sweat test , medicine that causes a person to sweat is applied to the skin (usually on the arm or thigh). The sweat is then collected on a paper or a gauze pad, and the amount of salt chemicals in the paper or gauze is measured in a lab. Generally, chloride (sweat chloride) is measured.
Nerve fibres which send signals to sweat glands arise in the sympathetic nervous system (a section of the nervous system that controls involuntary muscle movement). Nerves in different vertebrae of the thoracic (T) and lumbar (L) portions of the spinal cord supply sweat glands at different body sites: