Question 1

What is the range for the delivered tidal volume for an adult on the Dräger EvitaXL?
A) 0 to 1.0 L
B) 0 to 1.2 L
C) 0 to 1.5 L
D) 0 to 2.0 L

Accepted Answer

The adult range for tidal volume is 0 to 1.2 liters.

Question 2

What is meant by the term "proportional pressure support" on a Dräger V500?
A) The level of pressure support is applied in proportion to the patient's breathing effort.
B) The level of pressure support is inversely proportional to the patient's inspiratory effort.
C) The level of pressure support is applied in proportion to the inspired tidal volume.
D) The level of pressure support is applied in proportion to the work of breathing.

Accepted Answer

Proportional pressure support is a spontaneous breathing mode in which the pressure support is applied in proportion to the patient's breathing effort.

Question 3

What modes of ventilation on the Dräger V500 allow for the use of autoflow?
A) It can be used only in spontaneous modes of ventilation such as pressure support and continuous positive airway pressure.
B) It can be used in pressure-targeted modes such as pressure assist control and pressure synchronized intermittent mandatory ventilation.
C) It can be used in any volume-targeted mode of ventilation, such as continuous mandatory ventilation, synchronized intermittent mandatory ventilation, or mandatory minute ventilation.
D) It can be used with any mode of ventilation.

Accepted Answer

Autoflow is a dual control mode of ventilation.It can be activated when a volume-targeted mode of ventilation is selected,such as continuous mandatory ventilation,synchronized intermittent mandatory ventilation,or maximum voluntary ventilation.

Question 4

At what point in the ventilatory cycle is auto-PEEP measured on a Dräger EvitaXL?
A) Peak inspiration
B) Inspiratory pause
C) Mid-expiration
D) Expiratory hold

Accepted Answer

The level of auto-PEEP is displayed during an expiratory hold.

Question 5

The inspiratory rise time on the CareFusion AVEA is set on one.What is the significance of this setting?
A) This results in an inspiratory pause
B) There is a slow rise in inspiratory pressure
C) Inspiration is delayed by one tenth of a second
D) There is a rapid rise in inspiratory pressure

Accepted Answer

A setting of one is the most rapid rise in the pressure and a setting of nine is the slowest.

Question 6

Which of the following respiratory mechanics can be measured with the CareFusion AVEA?
1)Esophageal pressure measurement
2)Peak inspiratory pressure/P₁₀₀
3)Inflection point
4)Auto-PEEP
A) 1 only
B) 1 and 3
C) 2,3,and 4
D) 1,2,3,and 4

Accepted Answer

Respiratory mechanics that can be measured with the CareFusion AVEA include esophageal pressure measurement,peak inspiratory pressure/P₁₀₀,inflection point,and auto-PEEP.

Question 7

Which of the following on a Dräger Evita XL is considered to be a dual control mode?
A) Continuous mandatory ventilation
B) Autoflow
C) Synchronized intermittent mandatory ventilation
D) Mandatory minute ventilation

Accepted Answer

Autoflow is a dual control mode of ventilation.

Question 8

What modes of ventilation on the CareFusion AVEA provide apnea backup ventilation?
1)Volume assist/control
2)Volume synchronized intermittent mandatory ventilation
3)Airway pressure release ventilation/biphasic
4)Continuous positive airway pressure/pressure support ventilation
A) 1 only
B) 1 and 2
C) 2 and 3
D) 2,3,and 4

Accepted Answer

Apnea backup ventilation is available in all modes in which spontaneous ventilation is available (synchronized intermittent mandatory ventilation,airway pressure release ventilation/biphasic,and continuous positive airway pressure/pressure support ventilation modes).

Question 9

Which of the following is (are)used in the measurement of tidal volume on a CareFusion AVEA ventilator?
1)Variable-orifice pneumotachometer
2)Pressure differential pneumotachometer
3)Ultrasonic flow sensor
4)Hot wire flow sensing device
A) 1 only
B) 1 and 4
C) 2 and 3
D) 1,3,and 4

Accepted Answer

Proximal airway flow sensing with either a variable-orifice pneumotachometer or hot wire flow sensing technology is available for measuring tidal volume at the patient Y connector.

Question 10

What positive end-expiratory pressure levels are available on the Dräger V500?
A) 0 to 30 cm H₂O
B) 0 to 40 cm H₂O
C) 0 to 50 cm H₂O
D) 0 to 60 cm H₂O

Accepted Answer

The Dräger V500 can provide positive end-expiratory pressure levels of 0 to 50 cm H₂O.

Question 11

The Carefusion Avea ventilator is being used during transport; the electrical power source in the ambulance fails.How long will the internal power source allow the ventilator to function?
A) About 10 minutes
B) About 20 minutes
C) About 30 minutes
D) About 40 minutes

Accepted Answer

The internal battery provides about 30 minutes of power when both the ventilator and the compressor are running.

Question 12

What is the available range for tidal volume when the CareFusion AVEA is used in the adult mode?
A) 0 to 1500 mL
B) 100 to 2000 mL
C) 100 to 2500 mL
D) 100 to 3000 mL

Accepted Answer

The range for tidal volume in the adult mode is 100 to 2500 mL.

Question 13

How long does the internal battery of the CareFusion AVEA power the ventilator and compressor?
A) About 20 minutes
B) About 30 minutes
C) About 40 minutes
D) About 50 minutes

Accepted Answer

The internal battery provides about 30 minutes of power when both the ventilator and the compressor are running.

Question 14

What is measured by the P₀.₀₁ on the Dräger EvitaXL?
A) Respiratory muscle strength
B) Neurogenic drive
C) Inspiratory flow rate
D) Intrinsic positive end-expiratory pressure

Accepted Answer

The neurogenic drive is measured with the P₀.₀₁.

Question 15

What mode of ventilation is used on the Dräger V500 to provide a minimum expired volume?
A) Minimum minute volume
B) Augmented ventilation
C) Mandatory minute volume ventilation
D) Synchronized intermittent mandatory ventilation

Accepted Answer

With mandatory minute volume ventilation,the ventilator provides mandatory breathing only if the patient's spontaneous breathing is not adequate and drops below the preselected maximum voluntary ventilation setting.

Question 16

What is the range of respiratory rates that can be provided by the Dräger V500?
A) 0 to 100 breaths/min
B) 0 to 125 breaths/min
C) 0 to 150 breaths/min
D) 0 to 200 breaths/min

Accepted Answer

The Dräger V500 can provide respiratory rates between 0 and 150 breaths/min.

Question 17

What is the range for trigger sensitivity on the Dräger EvitaXL?
A) 0.3 to 15 L/min
B) 1.0 to 18 L/min
C) 1.5 to 25 L/min
D) 2.0 to 30 L/min

Accepted Answer

The trigger sensitivity for the Dräger EvitaXL is 0.3 to 15 L/min.

Question 18

What mixture of helium:oxygen can be administered with the CareFusion AVEA?
A) 60% helium:40% oxygen
B) 70% helium:30% oxygen
C) 80% helium:20% oxygen
D) 90% helium:10% oxygen

Accepted Answer

The ventilator may be powered with an 80/20 mixture of helium and oxygen.

Question 19

What is the maximum pressure limit in the CareFusion AVEA?
A) 80 cm H₂O
B) 90 cm H₂O
C) 100 cm H₂O
D) 120 cm H₂O

Accepted Answer

Airway pressure release ventilation sets the maximum pressure target 0 to 90 cm H₂O (limited to a total peak inspiratory pressure of 90 cm H₂O).

Question 20

Which of the following statements describes how a sigh breath is delivered on an Dräger Evita XL ventilator?
A) Every 100 breaths the delivered tidal volume is doubled.
B) The positive end-expiratory pressure level is increased to the sigh pressure for 2 consecutive breaths.
C) The tidal volume is increased to set sigh volume.
D) The sigh results in doubling the inspiratory time every 100 breaths.

Accepted Answer

Sigh breaths are accomplished on the Dräger EvitaXL ventilator by intermittently increasing the positive end-expiratory pressure level to the set sigh pressure for 2 consecutive breaths in the continuous mandatory ventilation mode.

Quiz 13: Mechanical Ventilators: General-Use Devices

What is the range for the delivered tidal volume for an adult on the Dräger EvitaXL?

What is meant by the term "proportional pressure support" on a Dräger V500?

What modes of ventilation on the Dräger V500 allow for the use of autoflow?

At what point in the ventilatory cycle is auto-PEEP measured on a Dräger EvitaXL?

The inspiratory rise time on the CareFusion AVEA is set on one.What is the significance of this setting?

Which of the following respiratory mechanics can be measured with the CareFusion AVEA? 1) Esophageal pressure measurement 2) Peak inspiratory pressure/P₁₀₀ 3) Inflection point 4) Auto-PEEP

Which of the following on a Dräger Evita XL is considered to be a dual control mode?

What modes of ventilation on the CareFusion AVEA provide apnea backup ventilation? 1) Volume assist/control 2) Volume synchronized intermittent mandatory ventilation 3) Airway pressure release ventilation/biphasic 4) Continuous positive airway pressure/pressure support ventilation

Which of the following is (are) used in the measurement of tidal volume on a CareFusion AVEA ventilator? 1) Variable-orifice pneumotachometer 2) Pressure differential pneumotachometer 3) Ultrasonic flow sensor 4) Hot wire flow sensing device

What positive end-expiratory pressure levels are available on the Dräger V500?

The Carefusion Avea ventilator is being used during transport; the electrical power source in the ambulance fails.How long will the internal power source allow the ventilator to function?

What is the available range for tidal volume when the CareFusion AVEA is used in the adult mode?

How long does the internal battery of the CareFusion AVEA power the ventilator and compressor?

What is measured by the P₀.₀₁ on the Dräger EvitaXL?

What mode of ventilation is used on the Dräger V500 to provide a minimum expired volume?

What is the range of respiratory rates that can be provided by the Dräger V500?

What is the range for trigger sensitivity on the Dräger EvitaXL?

What mixture of helium:oxygen can be administered with the CareFusion AVEA?

What is the maximum pressure limit in the CareFusion AVEA?

Which of the following statements describes how a sigh breath is delivered on an Dräger Evita XL ventilator?