WVU NSG 311 Exam 2 Respiratory Content
Questions With Correct Answers
What is the oxygen concentration at room air? - answer21%
Is oxygen a medication? - answer*yes
*administered only when prescribed by a provider with prescriptive authority except in an
emergency situation
Hypoxemia (blood) ...
What is the oxygen concentration at room air? - answer✔✔21%
Is oxygen a medication? - answer✔✔*yes
*administered only when prescribed by a provider with prescriptive authority except in an
emergency situation
Hypoxemia (blood) can lead to what? - answer✔✔hypoxia (brain)
What are mental status changes that can occur with inadequate O2? - answer✔✔*impaired
judgement
*agitation
*disorientation
*confusion
*lethargy
*coma
What are other signs of inadequate O2? - answer✔✔*dyspnea
*increase in BP
*changes in HR (most likely tachycardia)
*dysrhythmias
*central cyanosis (late finding)
*diaphoresis
*cool extremities
What is pulse oximetry? - answer✔✔*noninvasive
*measurement of oxygen saturation of hemoglobin (shows blood status)
*want it to be 95% or greater
EXAM STUDY MATERIALS July 26, 2024 9:30 AM
, What about an anemic pt with pulse oximetry? - answer✔✔pt has less Hgb, so it might die us an
inaccurate reading
What are certain circumstances where pulse ox might not be reliable? - answer✔✔*cardiac arrest
*shock
*sepsis
*PVD
*hypothermia
*vasoconstrictor medications
*anemia, abnormal Hgb, high carbon monoxide level, certain dyes, dark skin, nail polish, bright
light, and patient movement
What are low flow systems? - answer✔✔*canula
*nasal catheter
*mask
-simple
-partial rebreather
-non-rebreather
How many LPM is associated with a nasal canal? - answer✔✔*1-6 LPM
*1 LPM: 24%
*2 LPM: 28%
**increases by four % until you get to 6 LPM which is 44%
What are nursing interventions we should do with someone who has a nasal cannula? -
answer✔✔*assess skin where tubing touches (especially behind the ears)
*assess nares
*assess if they patient has their oxygen on correctly
What kind of pt is best for a nasal canula? - answer✔✔nose breathers
What is a simple face mask? - answer✔✔*easy to apply
*covers nose and mouth
*4-6 LPM
*variable oxygen delivery
EXAM STUDY MATERIALS July 26, 2024 9:30 AM
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