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CRT/RRT Pretest

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Vesicular breath sounds are typically auscultated in which of the following?
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  • 1

    Vesicular breath sounds are typically auscultated in which of the following?

  • 2

    A patient with vocal cord polyps reports increasing dyspnea and hoarseness. Which of the following pulmonary function studies would best evaluate the degree of airway impairment?

  • 3

    “While performing an ECG, the monitor suddenly displays a flat-line pattern in all leads. Which of the following electrodes should be checked first?”

  • 4

    Which of the following complications occurs most frequently during airway suctioning?

  • 5

    Data for a patient in the ICU includes the following:

    • HR = 102/min
    • RR = 22/min
    • BP = 134/86 mm Hg

    • Glucose = 210 mg/dL
    • BUN = 12 mg/dL

    • pH = 7.26
    • PaCO2 = 27 torr
    • PaO2 = 94 torr
    • Bicarbonate = 12 mEq/L

    Based on these findings, which of the following interventions is most appropriate?

  • 6

    Quality control testing is performed on a flow-measuring device. Results show inaccurate measurements only in the midrange of test values. This finding suggests a problem with

  • 7

    Application of suction during withdrawal of a suction catheter should not exceed

  • 8

    A patient with COPD is receiving heliox therapy. Which of the following interfaces may be used to administer this gas mixture?

    1. Nonrebreathing mask
    2. Nasal cannula
    3. Cuffed endotracheal tube
    4. Simple mask
  • 9

    A preterm infant is delivered by Cesarean section and placed under a radiant warmer. The infant is breathing spontaneously, the airway has been cleared, and heart rate is 80/min. The respiratory therapist should now

  • 10

    A patient is receiving oxygen at 4 L/min by nasal cannula. Which of the following is the approximate delivered FiO2?

  • 11

    Transcutaneous monitoring (TCM) is being used to monitor a patient. The sensor temperature is set at 37°C. Concurrent arterial blood gases show a significantly higher PaO2 than the PtcO2 value. The respiratory therapist should FIRST

  • 12

    A patient admitted to the emergency department with no spontaneous inspiratory effort has been intubated and placed on mechanical ventilation. Which ventilator mode is most appropriate?

  • 13

    A mechanically ventilated patient suddenly develops high-pressure alarms with each breath. Oxygen saturation is rapidly falling, blood pressure is decreasing, and heart rate is increasing. Assessment reveals marked tracheal deviation to the right and absent breath sounds on the left. Rapid confirmation of the suspected diagnosis is best obtained by which of the following?

  • 14

    A patient receiving oxygen by simple mask is anxious and agitated and reports feeling ‘smothered.’ Oxygen flow is set at 3 L/min and SpO₂ is 92%. Which of the following is the most appropriate action?

  • 15

    A patient with a seizure disorder has been weaned from mechanical ventilation. During the night following extubation, the patient develops severe dyspnea while receiving 50% cool aerosol therapy. Assessment reveals marked agitation, RR 38/min, HR 165/min, and temperature 104°F (40°C).

    Arterial blood gas results show:

    • pH = 7.29
    • PaCO2 = 61 torr
    • PaO2 = 119 torr

     

    Which of the following should be done FIRST?

  • 16

    A 43-year-old male patient with persistent vomiting and diarrhea is admitted to the emergency department. Arterial blood gases reveal:

    • pH = 7.56
    • PaCO2 = 36 torr
    • PaO2 = 89 torr
    • Bicarbonate 31 mEq/L.

    Which of the following should be recommended?

  • 17

    The chest radiograph of a mechanically ventilated patient (PBW = 72 kg) shows bilateral patchy bibasilar infiltrates. Auscultation reveals bibasilar crackles. Current ventilator settings and patient data include:

    • SIMV
    • Mandatory rate = 14/min
    • VT = 500 mL
    • FiO2 = 0.40
    • PEEP = 5 cm H2O

    • pH = 7.33
    • PaCO2 = 47 torr
    • PaO2 = 86 torr
    • Bicarbonate = 24 mEq/L

    Which of the following changes should the respiratory therapist recommend?

  • 18

    A patient with COPD reports worsening dyspnea during daily activities despite stable resting pulse oximetry and spirometry results. Which of the following diagnostic studies should the respiratory therapist recommend to further assess functional limitation?

  • 19

    Which of the following is classified as a high-flow oxygen delivery device?

  • 20

    A mechanically ventilated patient has the following changes:

    Earlier:

    • Peak pressure = 30 cm H2O
    • Plateau pressure = 22 cm H2O

    Current:

    • Peak pressure = 42 cm H2O
    • Plateau pressure = 22 cm H2O

     

    Which of the following has most likely occurred?

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