Podcast
Questions and Answers
Which of the following is true about the stimuli at the various receptors in respiration control?
Which of the following is true about the stimuli at the various receptors in respiration control?
- Only concentration of CO2 is important stimulus
- Only concentration of O2 is important stimulus
- Concentrations of O2 and CO2 are not important stimuli
- Concentrations of O2 and CO2 are important stimuli (correct)
What happens to the alveolar tensions during breath holding?
What happens to the alveolar tensions during breath holding?
- PO2 rises and PCO2 falls
- PO2 falls and PCO2 rises (correct)
- PO2 and PCO2 both rise
- PO2 and PCO2 both fall
What is the primary factor for breaking during breath hold when breathing 100% O2?
What is the primary factor for breaking during breath hold when breathing 100% O2?
- Hypoxia
- Hyperventilation
- Hypercapnia (correct)
- Lung collapse
Breathing 100% O2 increases the tolerance for hypercapnia because
Breathing 100% O2 increases the tolerance for hypercapnia because
Hyperventilating while breathing 100% O2 followed by breath holding is dangerous because
Hyperventilating while breathing 100% O2 followed by breath holding is dangerous because
The theoretical breath-hold time, based on the given information, is approximately
The theoretical breath-hold time, based on the given information, is approximately
Breathing 100% O2 increases the tolerance for hypercapnia because
Breathing 100% O2 increases the tolerance for hypercapnia because
What is the primary factor for breaking during breath hold when breathing 100% O2?
What is the primary factor for breaking during breath hold when breathing 100% O2?
What happens to the alveolar tensions during breath holding?
What happens to the alveolar tensions during breath holding?
What happens to the alveolar tensions during breath holding?
What happens to the alveolar tensions during breath holding?
What is the primary factor for breaking during breath hold when breathing 100% O2?
What is the primary factor for breaking during breath hold when breathing 100% O2?
The theoretical breath-hold time, based on the given information, is approximately
The theoretical breath-hold time, based on the given information, is approximately