1) The mechanism responsible for decreased blood flow to the less active tissues/muscles is: a) Vasoconstriction b) Vasodilation c) The muscle pump d) Reduced cardiac output 2) Ventilation rate increase in response to exercise. What is the physiological reason for this? a) Increased blood pressure b) Increased heart rate c) Increased oxygen requirement d) Increased cardiac output demands 3) Which of the following correctly show the breakdown of ATP to produce energy? a) ATP=ADP+P+Energy b) ATP=CO2+H20+Energy c) ATP=ADP+Lactic Acid+Energy d) ATP=ADP+PC+Energy 4) "The amount of oxygen extracted from systemic circulation, accounted for by what has been extracted by the tissues at the level of the capillary" is the definition for:  a) Cardiac output b) Ventilation c) Gas exchange d) Arteriovenous oxygen difference 5) Which of the following is a muscular long-term adaptation to training? a) Flexibility b) Hypertrophy c) Increased gas exchange d) Decreased heart rate (HR) 6) Heart rate increases during exercise in direct proportion to? a) Workload b) The athlete c) Cardiac output d) Intensity 7) How does the cardiac output continue to rise with increased exercise intensity although the stroke volume has reached its maximum? a) Because the arteriovenous oxygen difference continues to rise b) Because the minute ventilation continues to rise c) It doesn't rise. They both plateau at the same time and fatigue occurs d) Because heart rate continues to rise 8) Which food group is used mainly for growth & repair (only used as a fuel in extreme circumstances) a) Carbohydrates (CHO) b) Fats c) Protein 9) Which of the following statements is false? a) Consuming high GI foods 30 – 120min prior to exercise benefits performance b) Low GI foods are best consumed as part of the pre-event meal and after the event to replenish supplies c) Carbohydrates are as glycogen in the muscles & liver d) Protein intake is important post exercise to ensure the muscles repair in time for the next bout of exercise 10) Fuel source for the ATP-CP system a) Creatine Phosphate b) Carbohydrates c) Carbohydrates + Fats 11) By product of the anaerobic glycolysis system a) CO2 b) Heat c) Water (H20) d) Lactic acid 12) Fats are stored as a) Glucse b) Fatty acids c) Amino acids d) Triglycerides 13) What is the body’s preferred food fuel? a) Fats b) Carbohydrates (CHO) c) Protein 14) Which energy system is predominant for the 400m run? a) ATP-CP b) Anaerobic glycolysis c) Aerobic 15) Which energy system is predominant for a hockey game? a) ATP-CP b) Anaerobic glycolysis c) Aerobic

ATAR PE Studies Mini Quiz

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