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RES 100 UNIT 6 Exam Q's 1-10

Terms in this set (17)

6.1.7 6 results of acute hypoxemia
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6.1.8 List four results of chronic hypoxemia
increased 2,3 DPG
polycythemia (increased RBC)
hypertension (increased PVR)
chronic increased PVR (cor pulmonale) (right congestive heart failure due to pulmonary dysfunction)
6.1.10 List the standard indications for oxygen therapy (as evaluated by PaO2 and SaO2) and describe situations where oxygen would be indicated that exist outside the standard indications
-PaO2 < 60torr or SaO2< 92%
-home O2 use
-disorders where 100% FIO2 is generally required
(CO and cyanide poisening and frank pulmonary edema)
6.1.11 Differentiate between hypoxia and hypoxemia, and state the first and second signs of hypoxia
hypoxia= low O2 levels at the tissues (not easy to measure) second sign of hypoxia is tachypnea
hypoxemia= low O2 levels in the blood (EASY to measure) girl
6.1.21 explain the bi-phasic hystological findings of O2 toxicity
proliferative phase (late phase)
6.1.23 describe the clinical conditions which indicate a risk for O2 induced hypoventilation
bradypnea, hypopnea, extremely high PaCO2s
6.2.2 define, state normal values for and abbreviations of minute ventilation and peak inspiratory flowrate
PIFR: 25-30 L/min
6.2.7 discuss the various low flow oxygen administration devices in terms of indication, proper oxygen liter flow, approximate percentage delivery, hazards, disadvantages, advantages, and use in conjunction with humidification devices.
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6.2.8 state the determining factors of FIO2 delivered to a patient with a high flow, fixed performance O2 delivery system
To maintain guarantees consistent FIO2 the devices flow must exceed the PIF of the patient. If it didn't the patient would need to entrain room air to meet his demand and the devices FIO2 would be diluted (thus lowering the total FIO2).
To calculate a patients PIF you must multiply the minute ventilation by 4.
6.2.10 state the oxygen /air entrainment ratio for 24%
25:1
6.2.10 state the oxygen /air entrainment ratio for 28%
10:1
6.2.10 state the oxygen /air entrainment ratio for 35%
4:1
6.2.10 state the oxygen /air entrainment ratio for 40%
3:1
6.2.10 state the oxygen /air entrainment ratio for 50%
1.7:1
6.2.10 state the oxygen /air entrainment ratio for 60%
1:1
6.2.10 state the oxygen /air entrainment ratio for 70%
.6:1
6.3.4 calculate the duration of a home care liquid oxygen system when given the lbs. of LOX and flowrate of oxygen use
Remember: 1 liter O2 liquid = 2.5 pounds
See supplements page 19
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