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Q: Explain the circumstances that caused physiologists to reevaluate their conclusions that humans…
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- Explain the circumstances that caused physiologists to reevaluate their conclusions that humans could not climb Mount Everest without oxygen.Compare heart rate and blood pressure responses to arm and leg work at the same oxygen uptake. What factors might explain the observed differences?Which of the following is the advantage to training maximal power production with power lifts? The lighter weights used The simpler learning curve The anaerobic threshold benefits The challenging but rewarding learning curve
- Would the respiration rate be different for a person who had just exercised instead of sitting in the lab? a. No, the respiration rate would be the same. b. Yes, the respiration rate would be slower because the exercise slows respiration and oxygen uptake. c. Yes, the respiration rate would be faster since the person needed more oxygen while exercising.Which of the following is not an adaptation to high altitude living? a)increased lung and heart capacity b)more efficient use of glucose to increase oxygen use efficiency c)later maturation and slower growth d)preeclampsiaAfter light exercise, the oxygen consumed in recovery is approximately equal to the oxygen deficit, which is the amount of additional oxygen that would have been consumed had oxygen consumption reached steady state immediately. How is the oxygen consumed in recovery used?
- Describe the changes in barometric pressure, PO2, and air density with increasing altitude. Include an explanation of why maximal aerobic power decreases at altitude and what effect this has on performance in long-distance races. What recommendations would you have for a long-distance runner about training at altitude? What benefits and limitations are associated with altitude training? How would you recommend the athlete work around the limitations?State Boyle’s Law and relate this law to the specific sequence of events (muscle contractions/relaxations and pressure/volume changes) causing inspiration and expiration.Define the term maximal oxygen consumption?
- In what ways does exercise increase glucose transport into muscle cells? 1. 2. 3.The below graph shows both ventilation and blood lactate concentration as a function of total oxygen consumption during a bout of exercise. Explain the relationship between these two variables and why these two measures (ventilatory threshold and lactate threshold) tend to occur around the same level of exercise intensity.What produces the force which drives quiet expiration? 1. Intercostal muscles 2. Gravity 3. Elasticity of the diaphragm muscle 4. Contraction of the diaphragm
