Deck 9: Pediatric and Neonatal Ventilators

Question 1

During time-cycled, pressure-limited ventilation, inspiration reaches the set pressure and is held until exhalation. Which of the following is the limit variable?

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

Answer 1

B

Question 2

During a mandatory breath the Sechrist Millennium never reaches the pressure limit during inspiration. Under these conditions, what is the control variable?

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

Answer 2

A

Question 3

Which of the following are output alarms?
I. ventilator inoperative
II. high-pressure limit
III. incompatible settings
IV. low PEEP/CPAP

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

Answer 3

II and IV

Question 4

Manual triggering is accomplished by:

A) the patient producing a sub-ambient pressure
B) the patient producing a measurable inspiratory flow
C) a preset time interval being met
D) pressing a manual breath button

Question 5

Under what circumstances is the Sechrist Millennium flow limited?

A) during time-cycled, pressure-limited ventilation
B) when the pressure alarm limit is met
C) when the volume alarm limit is met
D) when the inspiratory pressure is not met

Question 6

Which of the following are trigger variables for the Drager Babylog VN500 ventilator?
I. flow
II. pressure
III. time
IV. manual

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

Question 7

Inspiration ending when a preset volume is met best describes:

A) volume-limited ventilation
B) volume-cycled ventilation
C) flow-cycled ventilation
D) volume-triggered ventilation

Question 8

What is the flow waveform morphology (shape) when an infant ventilator is operating in time-cycled, pressure-limited mode?

A) exponential
B) sinusoidal
C) rectangular
D) oscillatory

Question 9

What are the trigger variables for the Sechrist Millennium ventilator?
I. flow
II. pressure
III. time
IV. manual

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

Question 10

Which of the following are control circuit alarms?
I. ventilator inoperative
II. high-pressure limit
III. incompatible settings
IV. low PEEP/CPAP

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

Question 11

During time-cycled, pressure-controlled ventilation, which of the following must be known to calculate tidal volume?
I. flow
II. pressure
III. inspiratory time
IV. PEEP/CPAP

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

Question 12

You are using a Sechrist Millennium in time-cycled, pressure-limited ventilation. The ventilator never reaches the pressure limit during inspiration. What is the limit variable?

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

Question 13

Pressure becomes a cycle variable when:

A) the preset pressure is met during inspiration
B) the PEEP/CPAP pressure is reached during exhalation
C) the pressure limit is exceeded
D) the ventilator is operating in pressure support mode

Question 14

What are the limit variables for the Sechrist Millennium ventilator?
I. flow
II. pressure
III. time
IV. volume

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

Question 15

What is the control variable for the Dräger Babylog VN500 ventilator?

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

Question 16

Inspiratory time is 0.5 seconds and the flow is set at 5 L/min. What is the tidal volume?

A) 10 mL
B) 31 mL
C) 41 mL
D) 50 mL

Question 17

Inspiration beginning when a preset flow is met best describes:

A) volume triggering
B) time triggering
C) flow triggering
D) flow cycling

Question 18

During time-cycled, pressure-limited ventilation, inspiration reaches the pressure limit and is held until exhalation. Which of the following is the control variable?

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

Question 19

Delivery of a preset pressure for a specific inspiratory time best describes:

A) pressure cycling
B) pressure support
C) time cycling
D) flow cycling

Question 20

The initiation of a breath when a preset pressure is reached best describes:

A) pressure support
B) pressure limiting
C) pressure triggering
D) pressure control

Question 21

You are using a Sechrist Millennium ventilator. The inspiratory time is set at 0.4 seconds and the expiratory time is set at 0.8 seconds. What is the ventilatory rate?

A) 40/min
B) 50/min
C) 60/min
D) 80/min

Question 22

The Sechrist Millennium ventilator's output alarms include:
I. Pressure
II. Time
III. Flow
IV. Volume

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

Question 23

The Sechrist Millennium ventialtor's baseline pressure is adjustable between:

A) 0.0 to 10 cmH₂O
B) 0.0 to 20 cmH₂O
C) 0.0 to 35 cmH₂O
D) 0.0p to 40 cmH₂O

Question 24

The Sechrist Millennium ventilator controls PEEP/CPAP pressure by:

A) applying pressure to the exhalation valve
B) adding an external threshold resister
C) increasing inspiratory flow
D) none of the above

Question 25

What is the cycle variable for the Sechrist Millennium ventilator?

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

Question 26

Under what circumstances does the Sechrist Millennium become manually triggered?

A) During pressure control ventilation
B) During CPAP ventilation
C) When the manual breath button is depressed
D) Only when a rate and tidal volume are set

Question 27

Which of the following ventilators require the addition of a proximal sensor to enhance triggering?

A) Dräger Babylog VN500
B) Sechrist Millennium

Question 28

The control variables of the Sechrist Millennium are:
I. Pressure
II. Flow
III. Time
IV. Volume

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

Question 29

The Dräger Babylog VN500 ventilator has an internal backup battery?

Question 30

Adjusting the flowmeter on the Sechrist Millennium ventilator:

A) regulates flow during volume controlled breaths
B) regulates continuous flow through the patient circuit
C) regulates flow during pressure controlled breaths
D) regulates flow during pressure support