HKIN 191 Final Exam Study Guide with Complete Solutions

HKIN 191 Final Exam Study Guide with Complete Solutions Body Volume - Answer️️ -the amount of space that a body takes up, can be measured through hydrodensitometry or displacement. Body Density - Answer️️ -The weight of molecules present in a certain volume. D= Mass (kg)/Volume (m^3) Archimedes' Principle - Answer️️ -The buoyant force on an object is equal to the weight of the fluid displaced by the object. An object heavier than the water it displaces will sink, lighter will float. Can be used to calculate body fat %. Underwater weighing (hydrostatic) - Answer️️ -Measure of body composition by expelling all air from lungs and then being weighed. Extremely accurate. Tare weight - Answer️️ -Also called unladen weight, is the weight of an empty container. Body Mass Index - Answer️️ -weight (kg) / height^2 (m^2) categories on p. 803 Waist Girth - Answer️️ -The measurement of waist at navel while standing relaxed. Waist-to-Hip Ratio (WHR) - Answer️️ -waist girth / hip girth Energy Balance - Answer️️ -The relationship between intake of food and output of work. Positive when body stores extra food as energy and Negative when body draws on stored fats to provide energy. ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 2 Weight change = total energy intake - total energy expenditure. Weight gain: Energy intake - CHO, Fat, Protein Weight Loss: Energy Output - Thermic effect of food, physical activity, resting metabolism. Individual Needs - Answer️️ -Specific needs for their sport, and their responses Specificity vs Generality - Answer️️ -Specificity will be specific to that person's sport, training, system, and testing. Generality is how in general, a person with a high VO2max in one area will probably have a high VO2max in another area. Intensity/Duration - Answer️️ -Depends on how hard and how long someone is putting effort in to a specific test. Calorie - Answer️️ -Amount of energy needed to raise temperature 1 gram of water 1 degree C Redox - Answer️️ -The chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized. Oxidation - Answer️️ -Reactions that transfer oxygen, hydrogen, or electrons. A loss of electrons. LEO Reduction - Answer️️ -Any process in which atoms in an element gain electrons. GER Reducing Agent - Answer️️ -Substance that donates or lose