Capnograph Quiz

What is the primary function of capnography?

• Measuring oxygen saturation

• Monitoring the partial pressure of carbon dioxide at the end of respiration

• Monitoring blood pressure

• Assessing heart rate

Which phase of a capnogram represents the exhalation of dead space gas?

• Phase 0

• Phase II

• Phase I

• Phase III

What is the normal ETCO2 reading range in dogs and cats?

• 25-35 mmHg

• 35-45 mmHg

• 55-65 mmHg

• 45-55 mmHg

What is a common cause of hypercapnia?

• Hypoventilation

• Hyperventilation

• Low fresh gas flow

• Hypothermia

What should be done if water is seen in the water trap of a sidestream capnograph?

• Use cleaning agents to clean it

• Replace the entire capnograph

• Dry it with a dry swab

• Ignore it

What is the term used to describe higher than normal ETCO2 reading (mmHg)?

• Normocapnia

• Hypercapnia

• Eucapnia

• Hypocapnia

Which type of analyser performs the analysis at the site within the airway?

• Sidestream analyser

• Mainstream analyser

• Midstream analyser

• Endstream analyser

What is a common cause of a 'shark fin' trace on a capnogram?

• Hypoventilation

• Leak in the system

• Hyperventilation

• Obstruction

What should be checked if there is no ETCO2 reading?

• Fresh gas flow rate

• Depth of anaesthesia

• System for disconnection

• Patient's temperature

What is the primary use of a capnometer?

• Assessing oxygen levels

• Measuring only the numerical concentration of carbon dioxide

• Monitoring heart rate

• Complete representation of CO2 levels