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Neural Control of Respiration

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Questions and Answers

What is the ratio of response power between central chemoreceptors and peripheral chemoreceptors in controlling breathing?

5:1

4:1

7:1 (correct)

10:1

In which condition does metabolic acidosis occur and what is its effect on peripheral chemoreceptors stimulation?

Metabolic alkalosis, increased stimulation

Respiratory acidosis, decreased stimulation

Respiratory alkalosis, decreased stimulation

Metabolic acidosis, increased stimulation (correct)

What is the maximum effect of an increase in H+ concentration in the blood on respiration?

4 times increase in ventilation (correct)

5 times increase in ventilation

3 times increase in ventilation

2 times increase in ventilation

What neural mechanisms control respiration in the body?

Both central and peripheral chemoreceptors Signup and view all the answers

What is the function of pontine centers in the control of respiration?

Initiating voluntary breathing Signup and view all the answers

Which statement describes the role of peripheral chemoreceptors?

Sensitive to hypoxia and hypercapnia Signup and view all the answers

How are peripheral chemoreceptors stimulated by hypoxia?

$O_2$ concentration decreases Signup and view all the answers

What is the respiratory response to metabolic acidosis?

Increased ventilation rate Signup and view all the answers

What is the effect of a decrease in pH to 7 on ventilation?

$\times 4$ increase in ventilation Signup and view all the answers

Which type of chemoreceptors provides a more powerful response in controlling breathing?

Central chemoreceptors Signup and view all the answers