Ens 304 - Study guides, Class notes & Summaries

Which of the following strategies would improve the opportunity for oxygenation to muscle cells during exercise for an individual with an anatomical dead space (ADS) of 150mL? Breath rate = BR; Tidal Volume = TV - ANSWER BR = 30 breaths/ Minute TV = 500mL What benefit would be gained if an athlete inhales O2 - rich gas when trying to accelerate his or her recovery times and what other strategy could achieve the same outcome? - ANSWER Increasing alveolar oxygen concentration; deeper tidal vol...

Explain the difference b/n homeostasis and steady state - ANSWER -homeostasis is when stable equilibrium is maintained by physiological processes -steady state is when all variables are constant in spite of ongoing processes that strive to change them. a steady state occurs during moderate to heavy exercise Explain negative feedback - ANSWER -when a reaction causes a decrease in function in response to a stimulus. Describe the difference b/n an absolute and relative expression - ANSWER -a...

Which of the following is considered a health-related parameter of fitness? Power, Balance, Endurance, or Agility - ANSWER Endurance (Power, balance and agility are considered skill-related parameters of fitness) True / False: Weight loss through diet and cardio appears to be as equally effective and healthy as weight loss through diet and resistance training - ANSWER False (Diet and cardio generally result in large losses of lean mass which compromise functionality and metabolism.) ...

Diet is more effective for: - ANSWER short-term weight loss physical activity more effective for: - ANSWER longevity, mortality, and mobility define exercise - ANSWER any body movement that is a planned or structured movement define NEAT - ANSWER non-exercise activity thermogenesis - ranges from fidgeting to standing and moving around - does not include sleeping, eating, physical activity, or exercise Physical activity guidelines for adults 18-64 years old - ANSWER - accumulate 150...