Transcutaneous Co2 Monitoring Quiz

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| By Alistair Patton
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Alistair Patton
Community Contributor
Quizzes Created: 1 | Total Attempts: 234
| Attempts: 234
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  • 1/10 Questions

    The quoted local audit found that the transcutaneous CO2 monitors were accurate to within ________ mmHg in non-cooled babies. Please choose correct option to fill in the blank

    • 12
    • 1.2
    • 0.12
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About This Quiz

Transcutaneous CO2 monitoring is a noninvasive way of measuring arterial CO2 value. Take this Transcutaneous CO2 monitoring quiz to test your knowledge about the concept. Our quiz can be crucial in your examination preparations. Make sure to read all the questions in the quiz carefully before answering. You are required to attempt all the questions. The results will be revealed after you've finished trying all the questions. You can take this quiz as many times as you desire. Good Luck & keep studying!

Transcutaneous Co2 Monitoring Quiz - Quiz

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  • 2. 

    Transcutaneous CO2 monitoring is more accurate than blood gas sampling?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Arterial blood gas sampling is still regarded as the most accurate method

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  • 3. 

    Transcutaneous CO2 monitoring involves analysing the baby's breath?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    End tidal CO2 monitors analyse exhaled breath to estimate blood CO2 levels.

    Transcutaneous CO2 monitoring analyses gases that diffuse through the skin in order to estimate blood CO2 levels

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  • 4. 

    Transcutaneous CO2 monitors can be used to monitor reperfusion (return of blood supply) during wound healing?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Transcutaneous CO2 monitors have been used to assess wound healing for example in adult pressure ulcers.

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  • 5. 

    In order for the transcutaneous sensor to measure CO2 only in a neonate, what is the recommended temperature that the skin should be heated to?

    • 50 Degrees Celsius

    • 43 Degrees Celsius

    • 32 Degrees Celsius

    • 41 Degrees Celsius

    Correct Answer
    A. 41 Degrees Celsius
    Explanation
    The manufacturer recommended setting is 41 Degrees Celsius, however researchers have found good correlation of readings even down to 37 Degrees Celsius.

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  • 6. 

    How often does the manufacturer suggest that the sensor site be rotated when monitoring CO2 in neonates?

    • Every 4 hours

    • Every 30 minutes

    • Every 8 hours

    • Every other day

    Correct Answer
    A. Every 8 hours
    Explanation
    It is suggested that the site be rotated every 8 hours if monitoring CO2 alone but every 2 hours if monitoring both oxygen and CO2 (as the probe is then heated to 43 degrees). This is to avoid any thermal damage of skin.

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  • 7. 

    Choose suitable site(s) for placing the transcutaneous sensor

    • Any bony prominence

    • On the chest when supine

    • On the back when prone

    • Inner thigh

    Correct Answer(s)
    A. On the chest when supine
    A. On the back when prone
    A. Inner thigh
    Explanation
    As shown in the quick reference guide probes may be placed on the torso front and back as well as the inner thigh as these are all well perfused areas. NB: Care should be taken when choosing sites on the torso to avoid where possible positions that will obscure lung fields if a chest x-ray is taken.

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  • 8. 

    Which of these options are associated with low levels of carbon dioxide (CO2) in the blood? (You may choose more than one option)

    • Respiratory acidosis

    • Reduced blood flow to the brain

    • Increased blood flow to the brain

    • Respiratory alkalosis

    Correct Answer(s)
    A. Reduced blood flow to the brain
    A. Respiratory alkalosis
    Explanation
    Low carbon dioxide leads causes arterial blood vessels to constrict. This will reduce the blood flow to the brain.

    Hyperventilation (breathing too fast) leads to low levels of blood CO2 and is known as respiratory alkalosis.

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  • 9. 

    Choose which factors would inhibit the accuracy of the transcutaneous sensor?

    • Oedema

    • Phototherapy

    • Septic shock

    • Air bubble between sensor and skin

    Correct Answer(s)
    A. Oedema
    A. Septic shock
    A. Air bubble between sensor and skin
    Explanation
    Oedema and septic shock can lead to hypo-perfusion of the skin tissue which may lead the monitor to overestimate the blood CO2 levels

    Air bubbles between the sensor and skin lead to inaccurate readings , the sensor would need to be re-applied.

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  • Current Version
  • Aug 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 11, 2017
    Quiz Created by
    Alistair Patton
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