Deck 8: Ventilators With Flow and Pressure Control Variables

Question 1

What is the flow trigger sensitivity range (adult) of the Hamilton G5 ventilator?

A) 0.0 to 5 L/min
B) 0.5 to 5 L/min
C) 0.5 to 10 L/min
D) 0.5 to 15 L/min

Answer 1

B

Question 2

A ventilator that has flow as a control variable is volume limited when:

A) the pressure limit is met
B) the flow rate control is set at 60 L/min
C) inspiratory pause is set
D) when inspiratory time is set to a fixed value

Answer 2

C

Question 3

In which of the following circumstances is the Dräger Evita 500V4 pressure limited?

A) volume-controlled breaths
B) when square wave flow pattern is selected
C) when the ventilator is in synchronized intermittent mandatory ventilation (SMIV)
D) during pressure support

Answer 3

D

Question 4

What is the cycle variable for the Respironics V200 ventilator during pressure support ?

A) flow
B) pressure
C) volume
D) time

Question 5

Under which of the following circumstances is flow a limit variable for the Respironics V200 ventilator?

A) during pressure control
B) during pressure-support ventilation
C) during CPAP ventilation
D) during volume control

Question 6

Which of the following ventilators have pressure support?
I. Puritan Bennett^TM 840
II. Dräger, Evita 500V
III. Newport^TM e360
IV. Maquet Servo-i

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV

Question 7

Which of the following would be examples of control-circuit alarms?
I. ventilator inoperative
II. low tidal volume
III. incompatible settings
IV. high rate

A) I and II
B) I and III
C) II and III
D) II and IV

Question 8

If the CareFusion AVEA^TM is operated as a flow controller, how is tidal volume determined?

A) when a preset pressure is reached
B) by integrating volume
C) by integrating pressure over time
D) by controlling time

Question 9

You are using a ventilator that has flow as a control variable. Under which of the following modes of ventilation is pressure a control variable?
I. mandatory volume breath delivery
II. PEEP/CPAP
III. sigh breath delivery
IV. pressure support

A) I and II
B) I and III
C) II and III
D) II and IV

Question 10

Which of the following ventilators use an internal reservoir to meet instantaneous flow demands?
I. CareFusion AVEA^TM
II. Dräger, Evita Infinity V500
III. Newport^TM e360
IV. Puritan Bennett^TM 840

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV

Question 11

Which of the following would be examples of output alarms?
I. ventilator inoperative
II. low tidal volume
III. incompatible settings
IV. high rate

A) I and II
B) I and III
C) II and III
D) II and IV

Question 12

Under what conditions is time a cycle variable for the CareFusion AVEA^TM ventilator?

A) pressure support
B) pressure control
C) mandatory breath delivery
D) none of the above

Question 13

How is PEEP/CPAP pressure regulated by the Respironics V200 ventilator?

A) by partially closing the exhalation valve
B) by increasing flow through the circuit
C) by closing the valve on the circuit located on the circuit manifold
D) by manually adding a threshold resistor

Question 14

You are using a ventilator that has flow as a control variable. Under which of the following modes of ventilation is flow a control variable?
I. mandatory volume breath delivery
II. PEEP/CPAP
III. sigh breath delivery
IV. pressure support

A) I and II
B) I and III
C) II and III
D) II and IV

Question 15

In which of the following modes does the Dräger Evita 500V4 operate as a pressure controller?
I. CMV mode
II. pressure-control mode
III. pressure-support mode
IV. PEEP/CPAP mode

A) I only
B) I and II only
C) II and III only
D) II, III, and IV only

Question 16

Under what circumstances is the the Maquet Servo-i ventilator pressure cycled?

A) during CPAP
B) during pressure support
C) during pressure-control mode
D) when the pressure limit is reached

Question 17

What is the control variable used by the Newport^TM e360 during CPAP, pressure support, and time-cycled ventilation?

A) flow
B) pressure
C) volume
D) time

Question 18

Which of the following are trigger variables for the Maquet Servo-i ventilator?
I. flow
II. pressure
III. time
IV. manual

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV

Question 19

Which of the following trigger variables are available on the Hamilton G5 ?
I. flow
II. pressure
III. time
IV. manual

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV

Question 20

Deep Check
Which of the following ventilators use a centrifugal blower in their drive mechanism?
A) I

A) Puritan Bennett^TM 840
B) I and III
B) Newport e360
C) II and III

Question 21

Which of the following ventilators have an inspired oxygen output alarm?
I. Dräger Evita 500V4
II. Hamilton G5
III. Maquet Servo-i
IV. Newport^TM e360

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV

Question 22

Which of the following ventilators has an internal battery that can power them if the main AC power is interrupted?
I. Dräger Evita 500V4
II. CareFusion AVEA^TM
III. Maquet Servo-i
IV. Respironics V200

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV

Question 23

You are delivering a minute volume of 12 L/min at a rate of 10 breaths per minute. What is the tidal volume?

A) 800 mL
B) 900 mL
C) 1,000 mL
D) 1,200 mL

Question 24

During pressure-control ventilation, the cycle variable is typically:

A) flow
B) pressure
C) time
D) volume

Question 25

Which of the following ventilators uses differential pressure as a control variable in its drive mechanism?

A) Dräger Evita 500V4
B) Hamilton G5
C) SMaquet Servo-i
D) Puritan Bennett^TM 840

Question 26

Under what circumstances is the Hamilton G5 ventilator volume limited?

A) during volume control mode
B) during pressure control mode
C) if inspiratory pause is selected
D) during the mandatory portion of pressure-control mode

Question 27

Which of the following are trigger variables for the Puritan Bennett^TM 840 ventilator?
I. flow
II. manual
III. pressure
IV. time

A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV