Which of the following will result in falsely low HbO2 readings with a pulse oximeter?

a. Presence of HbCO
b. Vascular dyes
c. Dark skin pigmentation
d. Presence of fetal hemoglobin


ANS: B
Table 19-6 outlines some of the potential problems and resulting errors that can occur with hemoximetry.

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________ are very important in interpreting the value of the research results

A) Measures of central tendency B) Standard deviations C) Qualitative statistics D) Confidence intervals

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Which of the following is usually issued by a professional society to indicate that a person has met a set of qualifications and is therefore qualified to perform a particular job?

a. Certification b. Degree c. Licensure d. Registry

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Your patient has community-acquired bacterial pneumonia. Which of the following symptoms are common with this type of pneumonia? 1. Cough with purulent sputum 2. Diarrhea 3. Low fever 4. Shaking chills

a. 1 and 3 only b. 2 and 4 only c. 3 only d. 1, 2, and 4 only

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The presence of systemic and pulmonary inflammatory mediators from mechanical lung injury further contributing to the development of VILI and MODS is termed __________

A. barotrauma B. biotrauma C. atelectrauma D. volutrauma

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