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Questions and Answers
Which of the following is a mechanism that increases oxygen uptake by muscles during exercise?
Which of the following is a mechanism that increases oxygen uptake by muscles during exercise?
- Decreased pulmonary blood flow
- Decreased cardiac output
- Constriction of selected peripheral vascular beds (correct)
- Decreased extraction of O2 from blood perfusing the muscles
What is the relationship between pulmonary blood flow and oxygen uptake from the alveoli?
What is the relationship between pulmonary blood flow and oxygen uptake from the alveoli?
- They are directly proportional (correct)
- They are unrelated
- They are inversely proportional
- Pulmonary blood flow has no effect on oxygen uptake
What is the formula for minute CO2 output?
What is the formula for minute CO2 output?
- CO2 = E × PaCO2/PB
- CO2 = A × PaCO2/PB (correct)
- CO2 = E × PaO2/PB
- CO2 = A × PaO2/PB
What is the formula for minute alveolar ventilation?
What is the formula for minute alveolar ventilation?
What is the relationship between minute ventilation and CO2 output during moderate work intensities?
What is the relationship between minute ventilation and CO2 output during moderate work intensities?
What is the effect of metabolic acidosis on ventilation during heavy and very heavy work intensities?
What is the effect of metabolic acidosis on ventilation during heavy and very heavy work intensities?
What is the formula for minute alveolar CO2 partial pressure?
What is the formula for minute alveolar CO2 partial pressure?
What is the effect of heavy exercise on the increase in cardiac output?
What is the effect of heavy exercise on the increase in cardiac output?
What is the effect of increased extraction of O2 from the blood perfusing the muscles during exercise?
What is the effect of increased extraction of O2 from the blood perfusing the muscles during exercise?
What is the effect of metabolic acidosis on ventilation during moderate work intensities?
What is the effect of metabolic acidosis on ventilation during moderate work intensities?
What is the effect of recruitment and vasodilation of pulmonary blood vessels during exercise?
What is the effect of recruitment and vasodilation of pulmonary blood vessels during exercise?
What is the effect of minute ventilation on CO2 output during exercise?
What is the effect of minute ventilation on CO2 output during exercise?
Which of the following is a mechanism that increases oxygen uptake by muscles during exercise?
Which of the following is a mechanism that increases oxygen uptake by muscles during exercise?
What is the relationship between pulmonary blood flow and oxygen uptake from the alveoli?
What is the relationship between pulmonary blood flow and oxygen uptake from the alveoli?
What is the formula for minute CO2 output?
What is the formula for minute CO2 output?
What is the formula for minute alveolar ventilation?
What is the formula for minute alveolar ventilation?
What is the relationship between minute ventilation and CO2 output during moderate work intensities?
What is the relationship between minute ventilation and CO2 output during moderate work intensities?
What is the effect of metabolic acidosis on ventilation during heavy and very heavy work intensities?
What is the effect of metabolic acidosis on ventilation during heavy and very heavy work intensities?
What is the formula for minute alveolar CO2 partial pressure?
What is the formula for minute alveolar CO2 partial pressure?
What is the effect of heavy exercise on the increase in cardiac output?
What is the effect of heavy exercise on the increase in cardiac output?
What is the effect of increased extraction of O2 from the blood perfusing the muscles during exercise?
What is the effect of increased extraction of O2 from the blood perfusing the muscles during exercise?
What is the effect of metabolic acidosis on ventilation during moderate work intensities?
What is the effect of metabolic acidosis on ventilation during moderate work intensities?
What is the effect of recruitment and vasodilation of pulmonary blood vessels during exercise?
What is the effect of recruitment and vasodilation of pulmonary blood vessels during exercise?
What is the effect of minute ventilation on CO2 output during exercise?
What is the effect of minute ventilation on CO2 output during exercise?
Which of the following mechanisms contributes the most to the large increase in oxygen use by muscles during exercise?
Which of the following mechanisms contributes the most to the large increase in oxygen use by muscles during exercise?
What is the relationship between oxygen uptake (O2) and pulmonary blood flow?
What is the relationship between oxygen uptake (O2) and pulmonary blood flow?
What is the equation that relates CO2 output to alveolar ventilation, arterial or ideal alveolar CO2 partial pressure, and barometric pressure?
What is the equation that relates CO2 output to alveolar ventilation, arterial or ideal alveolar CO2 partial pressure, and barometric pressure?
What is the relationship between minute ventilation (E) and the newly produced CO2 arriving at the lungs?
What is the relationship between minute ventilation (E) and the newly produced CO2 arriving at the lungs?
What is the formula for minute ventilation (E)?
What is the formula for minute ventilation (E)?
What is the relationship between alveolar ventilation (A) and arterial or ideal alveolar CO2 partial pressure?
What is the relationship between alveolar ventilation (A) and arterial or ideal alveolar CO2 partial pressure?
What is the term used to describe the increase in ventilation to provide respiratory compensation for metabolic acidosis?
What is the term used to describe the increase in ventilation to provide respiratory compensation for metabolic acidosis?
What is the term used to describe the increase in pulmonary blood flow by recruitment and vasodilation of pulmonary blood vessels during exercise?
What is the term used to describe the increase in pulmonary blood flow by recruitment and vasodilation of pulmonary blood vessels during exercise?
What is the term used to describe the amount of air that does not participate in gas exchange, but fills the airways?
What is the term used to describe the amount of air that does not participate in gas exchange, but fills the airways?
What is the term used to describe the increase in ventilation to provide respiratory compensation for metabolic alkalosis?
What is the term used to describe the increase in ventilation to provide respiratory compensation for metabolic alkalosis?
What is the relationship between minute ventilation (E) and CO2 output?
What is the relationship between minute ventilation (E) and CO2 output?
What is the term used to describe the increase in cardiac output during exercise?
What is the term used to describe the increase in cardiac output during exercise?
