Control of Breathing

Control of Breathing

2nd Grade

20 Qs

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Control of Breathing

Control of Breathing

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2nd Grade

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Alia Azman

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The dorsal respiratory group is mainly involved in which phase of breathing?

Inspiration

Expiration

Both Inspiration and Expiration

Neither

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nerve transmits signals from peripheral chemoreceptors to the respiratory center?

Phrenic nerve

Vagus nerve

Glossopharyngeal nerve

Hypoglossal nerve

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which condition is defined by the PO2 falling below 100mmHg?

Hypoxia

Hypercapnia

Respiratory acidosis

Respiratory alkalosis

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During which sleep stage does breathing become very irregular?

NREM

REM

Stage 1

Stage 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of increased CO2 levels on the chemosensitive area?

No effect

Directly stimulates

Indirectly increases hydrogen ions

Decreases hydrogen ions

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do the kidneys compensate for respiratory acidosis?

Excreting more HCO3-

Reabsorbing more CO2

Excreting more acid

Increasing H+ levels

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which respiratory group is totally inactive during normal quiet breathing?

Dorsal Respiratory Group

Ventral Respiratory Group

Pre-Botzinger complex

Pneumotaxic Center

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