ATI Respiratory Questions with Detailed Verified
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FiO2
Ans: the percentage of oxygen delivered to the client is expressed as the
fraction of inspired oxygen
Nasal Cannula Advantages
Ans: 1-6 L/min
safe, easy to apply, well tolerated
client is able to eat, talk and ambulate
Disadvantages of nasal cannula
Ans: Fi02 varies with the flow rate and the clients rate and depth of breathing
skin breakdown
drying of mucus membranes
tubing easily dislodged
Simple Face mask Advantages
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Ans: covers the clients nose and mouth
5 L is min
easy to apply and may be more comfortable than nasal connula
Disadvantages of face mask
Ans: flow rates of 5 L or lower can result in rebreathing of CO2
poorly tolerated by clients who have anxiety or claustrophobia
Eating, drinking, and talking are impaired
Use caution with clients who have a high risk of aspiration or airway
obstruction
Partial rebreather mask Advantages
Ans: the mask has a reservoir bag attached with no valve, allows the client to
rebreath up to one third of inhaled air together with room air.
6-11 L
Disadvantages of Partial rebreather mask
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Ans: complete deflation of bag = bad
Fi02 varies with pt breathing pattern
mask
eating drinking and talking are impaired
use with caution in pts who have a high risk of aspiration or airway obstruction
Nonrebreather mask Advantages
Ans: 10-15 L
delivers highest 02 concentration
one way valve allows the pt to inhale max of 02 from the reservoir bag
Disadvantages of nonrebreather mask
Ans: same
Venturi mask
Ans: 2-10 L
delivers the most precise oxygen concentration
humidification is not required
best suited for clients who have chronic lung disease
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Venturi mask disadvantages
Ans: expensive
Aerosol mask
Ans: at least 10 L
good for pts who dont tolerate masks well
useful for pts with facial trauma
Aerosol mask disadvantages
Ans: high humidification requires monitoring
Hypoxemia
Ans: inadequate level of oxygen in the blood-hypovolemia and hypoventilation
can lead to this
S/s of hypoxemia
Ans: SOB, anxiety, tachypnea, tachycardia, restlessness, pallor, cynanosis,
adventitious breath sounds, confusion,
Oxygen induced hypoventilation
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