Page 271 - Clinical Application of Mechanical Ventilation
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Initiation of Mechanical Ventilation 237
9. Positive end-expiratory pressure (PEEP) may be indicated in patients with decreased _______ and
presence of _______.
A. tidal volume, chronic hypercapnia
B. functional residual capacity, refractory hypoxemia
C. vital capacity, acute hypercapnia
D. tidal volume, refractory hypoxemia
10. At constant tidal volume and frequency, increasing the inspiratory flow rate will lead to a _______
inspiratory time (I time) and _______ expiratory time (E time).
A. longer, longer C. shorter, longer
B. longer, shorter D. shorter, shorter
11. What should be the minimum flow rate for a minute volume of 12 L/min and an I:E ratio of 1:4?
A. 40 L/min C. 60 L/min
B. 50 L/min D. 70 L/min
12. If the desired I:E ratio is 1:3, what should be the I time %?
A. 25% C. 35%
B. 40% D. 20%
13. The _______ and _______ are two alarms that are to detect circuit disconnection.
A. low pressure, high pressure
B. high PEEP, high volume
C. low volume, low PEEP
D. low pressure, low volume
14. Which of the following is not a common potential complication of positive pressure ventilation?
A. hypertension
B. decrease in cardiac output
C. accidental patient disconnection
D. barotrauma
15 to 18. Match the conditions of mechanical ventilation with respective examples of the hazards and com-
plications of mechanical ventilation.
Condition Examples
15. Related to pressure and volume A. Circuit disconnection
16. Related to patient condition B. Barotrauma
17. Related to equipment C. Inappropriate ventilator settings
18. Related to medical professionals D. Physical and psychologic trauma
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