9611724
Description
Flashcards by Doctor Tamer, updated more than 1 year ago
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Created by Doctor Tamer
over 7 years ago
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| Question | Answer |
| Are maximal fat oxidation rates influenced by the exercise mode? | Yes, maximal fat oxidation is significantly higher during running than with the same intensity of cycling |
| A respiratory quotient of 0.7 indicates 100% oxidation of which substrate/s? | Fat |
| Are there gender differences in fuel oxidation? | Yes, women oxidize more fat than men at low to moderate activities |
| During high intensity exercise (85% of maximal oxygen uptake (VO2max)), in a fasted state, most of the energy need is provided by oxidation of............ | Muscle glycogen |
| During low intensity exercise (25% of maximal oxygen uptake (VO2max)) in a fasted state, most of the energy needs are provided by oxidation of .... | Plasma free-fatty acids |
| During moderate intensity exercise (65% of maximal oxygen uptake (VO2max)) in a fasted state, most of the energy need is provided by oxidation of........ | Plasma free-fatty acids & muscle triglycerides |
| Energy derived from muscle adenosine triphosphate (ATP) stores suffices to supportexercise that lasts ...... | few seconds |
| High intensity intermittent exercise has been lately proposed as the exercise protocolthat might more effectively induce... | Fat loss |
| How much energy is expended for every litre of oxygen consumed? | 4.8 kcal |
| In a rested state, an average person consumes about 3.5 ml of O2 per kg body massper minute, which is about...... | 1 kcal/kg/hour |
| In adult daily life, which organ consumes most of the energy (kcal/day)? | Muscles |
| In healthy subjects with a physical activity level equivalent to that of the general population, most of the daily energy expenditure is spent on....... | Resting metabolic rate |
| In healthy subjects, most of the energy expended during the rested state is derivedfrom.... | Fat |
| Increasing prolonged everyday physical activity level to high levels in overweight andobese men produces........ | No change in ad libitum energy intake |
| The aerobic pathway provides ATP by metabolizing........ | Proteins, carbohydrates & fat |
| The inability to maintain a desired level of performance (fatigue) is usually referred toas 'hitting the wall'. Which substrate/s decreases severely at this point ....... | Glucose |
| The longer the time spent exercising, the higher the contribution of ......... | Fat |
| The RMR (expressed in kcal/kg/h) is........ | a. Lower in overweight than in normal weight subjects b. Higher in men than in women c. Lower in older than in younger adults d. All of the above |
| Which macronutrient/s can generate ATP anaerobically as well as aerobically? | Carbohydrates |
| Women oxidize proportionally........ | More lipid, less carbohydrate, and less protein during moderate-intensity long-duration exercise than men. |
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