Respiration Control and Gas Exchange Quiz

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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?

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?

Hypoxia

Hyperventilation

Hypercapnia (correct)

Lung collapse

Breathing 100% O2 increases the tolerance for hypercapnia because

it removes both hypoxic and hypercapnic drives for respiration Signup and view all the answers

Hyperventilating while breathing 100% O2 followed by breath holding is dangerous because

it decreases the volume of gas contained in the lungs Signup and view all the answers

The theoretical breath-hold time, based on the given information, is approximately

19.84 minutes Signup and view all the answers

Breathing 100% O2 increases the tolerance for hypercapnia because

the presence of nitrogen helps to provide a splint to keep the alveoli open Signup and view all the answers

What is the primary factor for breaking during breath hold when breathing 100% O2?

Decrease in the volume of gas contained in the lungs Signup and view all the answers

What happens to the alveolar tensions during breath holding?

The volume of gas contained in the lungs decreases Signup and view all the answers

What happens to the alveolar tensions during breath holding?

PO2 will fall and PCO2 will rise Signup and view all the answers

What is the primary factor for breaking during breath hold when breathing 100% O2?

Hypercapnia Signup and view all the answers

The theoretical breath-hold time, based on the given information, is approximately

$47PX$ Signup and view all the answers

Respiration Control and Gas Exchange Quiz

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Questions and Answers

Which of the following is true about the stimuli at the various receptors in respiration control?

What happens to the alveolar tensions during breath holding?

What is the primary factor for breaking during breath hold when breathing 100% O2?

Breathing 100% O2 increases the tolerance for hypercapnia 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

Breathing 100% O2 increases the tolerance for hypercapnia because

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 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

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