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1. The RT is in charge of transporting a pt with multiple trauma to a regional
trauma center in a fixed wing aircraft. Which of the following should the RT
be most concerned about during the transport?
A. Tissue oxygenation
B. Pneumothorax
C. Pulmonary embolus
D. Humidification of the inspired gas - Correct Answer: Tissue
oxygenation
2. Transcutaneous monitoring of PO2 values will correlate well with ABG PO2
values in which of the following situations? (Pick all that apply)
A. Hypotension
B. Hypothermia
C. Pneumonia - Correct Answer: Pneumonia only
3. What is the air-to-oxygen ratio for an air entrainment device delivering 60%
oxygen? - Correct Answer: 1:1
4. Following surgery to correct an abdominal aortic aneurysm, a 54 y/o female
pt suddenly develops intense substernal chest pain with severe dyspnea.
the pain does not appear to be aggravated by her respiratioins. Auscultation
, reveals bilateral, basilar, moist, crepitant rales. The pt appears pale, cold
and clammy. which of the following should the RT recommend for initial
assessment of this pt?
A. Serum electrolytes
B. Chest X-ray
C. Complete blood count
D. Elecrocardiograph - Correct Answer: D. Electrocardiograph
5. An adult pt is intubated with 7.0mm ID ETT. What size suction catheter
should be used to suction this pt? - Correct Answer: 10 Fr (7/2 x3)
6. A pt who is suspected of having a flail chest has been intubated and
mechanically ventilated with PEEP therapy. The pt has just received
pancuronium bromide. Which of the following ventilator alarms would be
most important to set correctly for this pt?
A. Peak pressure alarm
B. Low PEEP pressure alarm
C. I:E ratio alarm
D. Low exhaled volume alarm - Correct Answer: B. Low PEEP
pressure alarm
7. A balloon-tipped, flow directed catheter is positioned in the pulmonary
artery with the balloon DEFLATED. Which of the following pressures will be
measured by the DISTAL lumen? - Correct Answer: PAP
,8. The RT receives an order to administer bronchodilator therapy with
albuterol. To reduce the chance of cross contamination, the RT should -
Correct Answer: Select a meter dose inhaler
9. Which of the following is a FALSE statement about self-inflating
resuscitation devices?
A. A reservoir is utilized to increase the delivered oxygen concentration
B. The RT can sense changes in the pt's lung compliance and airway
resistance
C. A compressed gas source is necessary for the device to operate.
D. Excessive gas flow may cause the valve to malfunction. - Correct
Answer: A compressed gas source is necessary for the device to
operate
10.How are spontaneous sighs accounted for in mechanical ventilation? -
Correct Answer: Because a spontaneously breathing individual typically
sighs 6-8 times each hour to prevent microatelectasis, some investigators
once recommended that periodic machine breaths that were 1.5-2 times
the preset tidal volume be given 6-8 times per hour. However, the peak
pressure often needed to deliver such a volume was high enough to
predispose the patient to barotrauma. At present, accounting for sighs is
not recommended if the patient is receiving tidal volumes of 10-12 mL/kg
or if the patient requires PEEP. When a low tidal volume is used, sighs are
preset at 1.5-2 times the tidal volume and delivered 6-8 times an hour if the
peak and plateau pressures are within acceptable limits.
11.A patient has just been intubated with a naso- tracheal tube and is being
manually ventilated. As the therapist ventilates the patient, he notices that
there is no chest movement, minimal breath sounds and air escaping from
the mouth as the bag is squeezed. A chest x-ray has determined that the
, endotracheal tube is in the correct position. What is the most likely cause of
this situation? - Correct Answer: The cuff ruptured during intubation
12.The therapist receives an order for postural drainage and vibration. With
the bed flat, the therapist places the patient in a prone position with pillows
under his hips. Which lung segments are being treated with this position? -
Correct Answer: Superior segment of the lower lobes
13.While using a pressure-cycled ventilator, an increase in the patient's static
lung compliance will do what? - Correct Answer: Increase the volume
14.A patient is receiving controlled ventilation via a Bird Mark 7 ventilator.
Suddenly, the ventilator will not cycle into expiration. This problem may be
caused by:
development of pneumothorax.
disconnected expiratory valve.
leak in the patient tubing.
ruptured endotracheal tube cuff. - Correct Answer: 2. disconnected
expiratory valve.
3. leak in the patient tubing.
ruptured endotracheal tube cuff.
15.Which of the following will increase the volume delivered to a patient on a
pressure limited ventilator?
Decreasing the sensitivity
Increasing the flow setting
Decreasing the flow setting