Podcast
Questions and Answers
Which of the following factors contribute to bronchodilation?
Which of the following factors contribute to bronchodilation?
- Body temperature
- CO2 levels in blood
- pH levels in blood
- Neural drive (correct)
What is the function of peripheral chemoreceptors?
What is the function of peripheral chemoreceptors?
- Detect pH levels in blood
- Detect hypoxia and hypercapnia (correct)
- Detect neural drive
- Detect body temperature
Where are the central chemoreceptors located?
Where are the central chemoreceptors located?
- Lungs
- Brain (correct)
- Peripheral chemoreceptors
- Aortic arch
What is the normal blood pH at rest?
What is the normal blood pH at rest?
What is the formula for calculating alveolar ventilation (VA)?
What is the formula for calculating alveolar ventilation (VA)?
What is the primary gas responsible for influencing pH levels in the body?
What is the primary gas responsible for influencing pH levels in the body?
What is the effect of the Bohr effect on the affinity of oxygen for hemoglobin?
What is the effect of the Bohr effect on the affinity of oxygen for hemoglobin?
What is the primary source of H+ ions in the body?
What is the primary source of H+ ions in the body?
What is the primary form of CO2 transport in the blood?
What is the primary form of CO2 transport in the blood?
What happens to the a-vO2 difference during exercise?
What happens to the a-vO2 difference during exercise?
Which of the following is the definition of respiration?
Which of the following is the definition of respiration?
What is the definition of ventilation?
What is the definition of ventilation?
What is the formula for minute ventilation (VE)?
What is the formula for minute ventilation (VE)?
What is the definition of hyperpnea?
What is the definition of hyperpnea?
What is the definition of 'ventilatory drift' and its function?
What is the definition of 'ventilatory drift' and its function?
What is the measure of gas exchange efficiency known as?
What is the measure of gas exchange efficiency known as?
What is the VD/VT ratio at rest?
What is the VD/VT ratio at rest?
What factors can affect ventilation during exercise?
What factors can affect ventilation during exercise?
What is the approximate oxygen concentration in room air?
What is the approximate oxygen concentration in room air?
What is the triphasic response during exercise?
What is the triphasic response during exercise?
During exercise, what happens to the A-a (alveolar to arterial) PO2 difference?
During exercise, what happens to the A-a (alveolar to arterial) PO2 difference?
What happens to the oxygen levels in the muscle during incremental exercise?
What happens to the oxygen levels in the muscle during incremental exercise?
What happens to the oxygen extraction from blood during incremental exercise?
What happens to the oxygen extraction from blood during incremental exercise?
What happens to the venous blood saturation as workload increases during incremental exercise?
What happens to the venous blood saturation as workload increases during incremental exercise?
What is the atmospheric pressure at sea level?
What is the atmospheric pressure at sea level?
What is the definition of exercise-induced arterial hypoxemia (EIAH)?
What is the definition of exercise-induced arterial hypoxemia (EIAH)?
During exercise, what happens to the oxygen levels in the alveoli?
During exercise, what happens to the oxygen levels in the alveoli?
What happens to the mean capillary and Mb (myoglobular) oxygen levels during maximal exercise?
What happens to the mean capillary and Mb (myoglobular) oxygen levels during maximal exercise?
What happens to the oxygen levels from the atmosphere to the mitochondria?
What happens to the oxygen levels from the atmosphere to the mitochondria?
What happens to the pressure at higher altitude?
What happens to the pressure at higher altitude?