Answers
A respiratory therapist is given the charge to sterilize a bronchoscope. Which of the following
should the respiratory therapist use to accomplish sterilization?
A. Steam autoclave
B. Irradiation followed by ethylene oxide
C. Alkaline gluteraldehyde (Cidex)
D. Pasteurization C. Alkaline gluteraldehyde (Cidex)
On a patient receiving mechanical ventilation, it is observed that peak airway pressures have
been rising. During that same time interval, plateau pressures have been rising by approximately
the same amount. This is most suggestive of
A. increasing dynamic compliance.
B. a decrease in pulmonary atelectasis.
C. decreasing pulmonary compliance.
D. increased elasticity of interstitial pulmonary tissue. C. decreasing pulmonary
compliance.
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Answers
A patient is on his second week in the intensive care unit (ICU). A tracheostomy is in place and
he is receiving ventilatory support by VC, A/C ventilation on the following settings:
FIO2 0.6
PEEP 18 cm H2O
Rate 18/min
VT 450 mL
Other data shows:
PAW 42 cm H2O
HR 110/min
PAP 34/10 mm Hg
CVP 6 mm Hg
PCWP 8 cm H2O
C.I. 2.3 L/min/m2
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ABGs
pH 7.30
PaCO2 51 mm Hg
PaO2 50 mm Hg
HCO3- 26 mEq/L
BE -4 mEq/L
Based on this information, the respiratory therapist should recommend
A. an intra-aortic balloon pump.
B. ECMO.
C. transtracheal oxygen.
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Answers
D. NAVA ventilation B. ECMO.
The current oxygen index is calculated to be above 50. Once an oxygen index is greater than 40,
the patient 1) most likely has ARDS and could benefit from extracorporeal membrane
oxygenation (ECMO). Oxygen index is calculated by: OI = (O2% x PAW) / PaO2 OI = (60 x 42)
/ 50 OI = OI = 50.4
A patient who has suffered a cerebral vascular accident cannot move her arms. She is recovering
in a long-term care department of a 250-bed hospital. The patient requires frequent assistance
with pulmonary hygiene as she is unable to expectorate. She has a strong and effective cough.
Which of the following devices is the most appropriate to assist with secretion removal?
A. oral tip catheter, self-administered
B. nasal pharyngeal airway
C. tracheostomy tube
D. oral pharyngeal airway B. nasal pharyngeal airway
Explanation :