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Impairments. Driver’s Education Coach Jones. Outline for Unit. Impairment What are they Examples Vision Drugs and Alcohol Implied Consent Links. Impairments. What is the definition of impairment?
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Impairments Driver’s Education Coach Jones
Outline for Unit • Impairment • What are they • Examples • Vision • Drugs and Alcohol • Implied Consent • Links
Impairments • What is the definition of impairment? • impairment /im·pair·ment/ (im-par´ment) any abnormality of, partial or complete loss of, or loss of the function of, a body part, organ, or system • Comes from http://medical-dictionary.thefreedictionary.com/impairment
Impairments • Group Activity • Get into groups of about 4. • Assign a writer • Come up with as many impairments that you can think of and write them down • Time limit- 3 minutes
Impairments • What are the most dangerous impairments that you listed? • What are the least dangerous? • Would you mind riding with someone who has any of these impairments? • Why or why not? • Would you consider driving with one of the listed impairments? • Why or why not?
Vision(as a physical ability) • Visual acuity • A “normal” human being should be able to see when standing 20 ft away from an eye chart • If you have 20/20 vision, it means you can stand 20ft away from the eye chart and see what a “normal” person sees • If you have 20/40 vision, you stand 20 ft away from the chart and see what “normal” people see from 40 ft • What is legally blind? • 20/200 vision- 20 ft from chart and see what “normal people see from 200 ft
Vision • Peripheral Vision • Basically “side vision” • The ability to see object and movement outside of the direct line of vision • Field of Vision • The entire area that can be seen when the eye is directed forward, including which is seen with peripheral vision • Tunnel Vision • Loss of peripheral vision and still having central vision, resulting in narrow or tunnel-like vision
Vision • Depth Perception • The ability to judge the distance of objects and the spatial relationship of objects at different distances • Night Vision • Being able to see at night • Color Blindness • A genetic condition that only rarely occurs in women, but affects about 1 out of 10 men in some degree. • Usually missing the 3 basic color receptors or cones: • Red, blue, or green
Quick Review • What is 20/40 vision? • Define impairment. • Give an example of impairment. • What is depth perception?
Alcohol and Drugs • About half of all accidents are drug/alcohol related • There are about 22,000 fatalities every year on the US roadways. • There are about 2 million accidents each year. • There are about 700,000 injuries each year in the US.
Alcohol and Drugs • Each Friday and Saturday night, between the hours of 8pm and 4am, 40% of all alcohol related fatalities occur. • The most dangerous time is between 12am and 5am. WHY? • During that time, 1 in 10 of the drivers will be intoxicated. • Traffic accidents are the leading cause of death in 15-24 age group
Alcohol and Drugs • Alcohol is what type of drug? • Depressant- slows the body down • Alcohol effects behavior in the following order: • .02 BAL judgement and decisions • .04-.05 BAL coordination effected • .2-.3 BAL involuntary functions effected such as respiration, heart rate, temperature regulation • Possible overdose on alcohol • Can be made worse by mixing with other drugs (Synergy) • A person is intoxicated before outward signs are apparent. Example is coordination.
Alcohol and Drugs • BAL – • Blood Alcohol Level • BAC – • Blood Alcohol Content • Legal limit of intoxication over 21 is • .08 • Zero Tolerance Level is .02 http://www.brad21.org/bac_charts.html • In your groups, write down as many factors that effect a person’s BAL that you can think of.
Alcohol and Drugs • Alcohol is absorbed through the stomach lining (20%) and the small intestine (80%) into the bloodstream. • Alcohol is broken down by what organ? • Liver • What is the name of the breaking down of alcohol called? • Oxidation (sobering up) • What is the rate of the process? • About one drink per hour
Alcohol and Drugs • What is the only method that will sober you up? • Time • After you stop drinking, BAC (BAL) increases then it begins to decrease. • Why? • All the alcohol should be completely out of the body within 24 hours.
Implied Consent • What is Implied Consent? • What is the penalty for refusal? • What are the 3 tests? • Coordination test at scene is NOT a chemical test. It is called a field sobriety test. • Caige Estigma Test- how the eyes react to a pen light. The specific reaction is different when a person is intoxicated than when a person is sober.
Links • Kentucky Transportation Cabinet • http://transportation.ky.gov/default2.html • Kentucky DUI laws • http://drlic.kytc.ky.gov//dui/DUI_laws.htm • States legal limits for BAC • http://www.alcotesters.com/baclimits.htm • Brown University Health Education • http://www.brown.edu/Student_Services/Health_Services/Health_Education/atod/alc_aayb.htm