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Author Question: What is the best explanation for using pulse oximetry on young children to determine oxygen ... (Read 34 times)

CORALGRILL2014

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on: Jun 28, 2018
What is the best explanation for using pulse oximetry on young children to determine oxygen saturation?
 
  a. Pulse oximetry is noninvasive.
  b. Pulse oximetry is better than capnography.
  c. Pulse oximetry is more accurate than arterial blood gases.
  d. Pulse oximetry provides intermittent measurements of oxygen.

Question 2

What test measures the amount of air inhaled and exhaled during any respiratory cycle?
 
  a. Tidal volume
  b. Vital capacity
  c. Dynamic compliance
  d. Pulmonary resistance


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helenmarkerine

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: A
Pulse oximetry is a noninvasive measure of oxygen saturation of hemoglobin. Capnography measures carbon dioxide inhalation and exhalation. It does not provide information about oxygen saturation. Arterial blood gases provide additional clinical information, including pH, PCO2, bicarbonate, base excess, and PO2. An arterial puncture is required, which can be painful, and continuous monitoring cannot be done without an arterial line. Pulse oximetry can be either intermittent or continuous.

Answer to Question 2

ANS: A
Tidal volume is defined as the amount of air inhaled and exhaled during any respiratory cycle. When it is multiplied by the respiratory rate, the minute volume is obtained. Forced vital capacity is the maximum amount of air that can be expired after maximum inspiration. It is used to monitor individuals with obstructive airway disease. Dynamic compliance is the relationship between the change in volume and pressure difference. Pulmonary resistance measures the changes in pressure with changes in flow on inspiration and expiration


CORALGRILL2014

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Reply 2 on: Jun 28, 2018
Gracias!

Sarahjh

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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