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bkx HSC101 T2, P1

HSC-101 Test #2, Part 1: Body Composition & Weight Management

What is the leanest state in America Colorado
What is the heaviest state in America Mississippi
First Law of Thermodynamics Energy is neither created nor destroyed. (Calories do not just disappear.)
Positive Energy Balance Intake > Expenditure
Negative Energy Balance Intake < Expenditure
Define calorie 1 calorie = amount of energy required to heat 1g of water by 1 degree Celsius
1 Metabolic Equivalent MET = energy expenditure at rest
Thermic Effect of Exercise Calories required for any kind of activity
Thermic Effect of Feeding Calories required for digestion
What percentage of Americans are overweight 65%
What percentage of Americans are obese 31%
What BMI qualifies someone as obese BMI > 30
Two Types of Body Fat Essential: cell membranes, nerves, etc. Non-Essential: subcutaneous (beneath skin) & visceral (around organs)
What are some complications of obesity High blood pressure, high cholesterol, Type 2 Diabetes, heart attack, stroke, cancer, atherosclerosis (clogged arteries), osteoarthritis (degeneration of joints), gallstones (hardened bile), lower back pain, respiratory & pregnancy complications
What are some complications of being underweight Malnutrition, fatigue, loss of bone mass, increased chance of illness, increased chance of premature death, high correlation with smoking
Glucose Regulation If blood glucose is too high... -Pancreas secretes insulin -Insulin escorts glucose into cells If blood glucose is too low... -Pancreas secretes glucagon -Glucagon stimulates breakdown of glycogen into glucose
Diabetes Type I: Reduced insulin production Type II: Reduced insulin sensitivity -90% of Type II Diabetics are overweight
8 Ways to Assess Body Composition (aside from autopsy) 1) BMI (Body Mass Index) 2) Heigh/weight tables 3) Abdominal circumference 4) Skinfolds 5) Underwater weighing 6) Bod Pod 7) Bioelectrical impedence 8) Dual energy x-ray absorptiometry (DEXA)
What is the formula for BMI (#lbs./2.2)/(0.0254x#in.)squared = kg/msquared
What is the recommended BMI 18.5-25
What are some contributing factors to excess body fat Genetic predisposition (25% responsibility), environmental influence, larger portions, high variety offered at one meal, eating out 3+ times/week, large meals/skipping meals, sedentary lifestyle, emotional eating, regular consumption of soda
What is the minimum daily caloric intake for men and women? Men = 1500 cal/day Women = 1200 cal/day
Three Eating Disorders Anorexia, bulimia, binge-eating
Created by: bamkapowxo