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Adv Critical Care Final Exam – Q&A 100% Correct
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Adv Critical Care Final Exam – Q&A 100% Correct:) Conditions leading to mechanical ventilation may include all of the following
except:
a. failure of the ventilatory pump
b. excessive ventilatory workload
c. eucapnic respiratory drive
d. gas exchange abnormalities ✔️Ans - c. eucapnic respiratory drive
:) A higher than normal lung compliance is often seen in patients with:
a. acute respiratory distress syndrome
b. emphysema
c. atelectasis
d. tension pneumothorax ✔️Ans - b. emphysema
:) During mechanical ventilation, one method to evaluate compliance change
is to use the:
a. volume-time waveform
b. pressure-time waveform
c. pressure-volume waveform
d. flow-volume waveform ✔️Ans - c. pressure-volume waveform
:) The volume change that occurs as a result of thoracic expansion is an
application of:
a. Charles' law
b. Hook's law
c. Boyle's law
d. Poiseuille's law ✔️Ans - c. Boyle's law
:) A rapid shallow breathing pattern leads to V/Q mismatch due to an:
a. increase in airflow resistance
b. decrease in cardiac output
c. decrease in lung compliance
,d. increase in dead space ventilation ✔️Ans - d. increase in dead space
ventilation
:)During spontaneous ventilation, elevated baseline pressure is termed:
a. positive end-expiratory pressure (PEEP)
b. the pressure limit
c. the pressure trigger
d. continuous positive airway pressure (CPAP) ✔️Ans - d. continuous
positive airway pressure (CPAP)
:) During volume-controlled ventilation, a patient's peak inspiratory pressure
has been increasing over the past 8 hours. What is the cause of this change?
a. decreasing airflow resistance or increasing compliance
b. increasing airflow resistance or decreasing compliance
c. decreasing compliance
d. increasing airflow resistance ✔️Ans - b. increasing airflow resistance or
decreasing compliance
:) The control variable is best described as a variable that:
a. is measured and used to control the ventilator's output
b. initiates the start of inspiration
c. determines the end of inspiration
d. rises to a preset value and remains constant during inspiration ✔️Ans -
a. is measured and used to control the ventilator's output
:)A ventilator mode is best described as:
a. predetermined pattern of ventilation between the patient and the ventilator
b. mandatory breath sequence by the clinician
c. preprogrammed setting that may be selected by the clinician
d. spontaneous breath sequence selected by the clinician ✔️Ans - a.
predetermined pattern of ventilation between the patient and the ventilator
:) Pressure support may be added to pressure control-synchronized
intermittent mandatory ventilation (VC-SIMV)
, a. True
b. False ✔️Ans - a. True
:) The application of positive airway pressure during spontaneous ventilation
both during inspiration and exhalation best describes:
a. PS
b. CPAP
c. CSV
d. BiPAP ✔️Ans - d. BiPAP
:)For an ET tube with a damaged cuff, the solution includes preforming
reintubation or using a(n)
a. King airway
b. Cook catheter
c. cufflator
d. automatic cuff seal ✔️Ans - b. Cook catheter
:) A 72-year-old patient with COPD who has acute-on-chronic respiratory
failure is supported with noninvasive ventilation. The patient is becoming
more confused. Blood gas values are as follows: PaO 2 = 46 mm Hg, PaCO 2 =
57 mm Hg, pH = 7.22, and HCO 3 - = 22 mEq/L. Which of the following would
be appropriate treatment for this patient?
a. intubate and switch to invasive ventilation
b. ask the patient if he is comfortable with the mask
c. ask the physician for a sedative
d. increase oxygen delivery ✔️Ans - a. intubate and switch to invasive
ventilation
:) A 45-year-old man who weighs 166 lbs (75.5 kg) and has myasthenia gravis
is beginning to develop progressive weakness of the muscles. The respiratory
care practitioner has been monitoring MIP and VC every 4 hours. The most
recent results show that the patient continues to deteriorate despite
treatment with anticholinesterase drugs: MIP = -35 cm H 2O, VC = 23 mL/kg.
Which of the following would be appropriate to recommend?
a. Incentive spirometry to improve muscle strength
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