1. Setting flow rates high will cause which of the following to occur?
a. Improve gas exchange
b. Lengthen inspiratory time
c. Increase air trapping
d. Increase peak pressures - ️️D Increase peak pressures
2. The most appropriate tidal volume setting for a 6'3" male ventilator patient with...
RSCR242 - Exam 2 Pilbeam CH6-
1. Setting flow rates high will cause which of the following to occur?
a. Improve gas exchange
b. Lengthen inspiratory time
c. Increase air trapping
d. Increase peak pressures - ✔️✔️D Increase peak pressures
2. The most appropriate tidal volume setting for a 6'3" male ventilator patient with
normal lungs is which of the following?
a. 300 mL
b. 500 mL
c. 700 mL
d. 900 mL - ✔️✔️B 500 mL
3. A 90kg patient was placed on a mechanical ventilator following a major thoracic
surgery. A square flow-generating volume ventilator was used with the following
settings: peak flow = 60L/min, f=15, sensitivity = -1 cmH2O, FI2 = 0.4, and expiratory
time = 3 seconds. What was the delivered VT for this patient?
A. 600 mL
B. 800 mL
C. 900 mL
D. 1000 mL - ✔️✔️D. 1000 mL
4. A 31 year old male patient has a body surface area of 2.0 m2 and an IBW of 180lbs
(82kgs). Body temperature is 37° C. He is still under the effects of anesthesia following
surgery on his leg. He has no history of lung disease. What minute ventilation would be
appropriate as an initial setting?
a. 6 L/min
b. 7 L/min
c. 8 L/min
d. 9 L/min - ✔️✔️C. 8 L/min
5. Calculate the average tidal volume for a patient who has a minute ventilation of 10
L/min with a respiratory rate (RR) of 12 bpm.
a. 120 mL
b. 833 mL
c. 1000 mL
d. 1200 mL - ✔️✔️B. 833 mL, Vt = Ve/f, 10/12
6. Calculate the inspiratory time (TI) when a ventilator is set at a tidal volume (VT) of
500 mL and a constant flow rate of 30 L/min.
a. 0.6 second
, b. 1 second
c. 1.5 seconds
d. 1.7 seconds - ✔️✔️B 1 second
TI = VT/VE (convert L/min to L/sec)
7. Calculate the inspiratory to expiratory (I:E) ratio when the inspiratory time is 0.5
seconds and the respiratory rate is 30 bpm.
a. 1:3
b. 1:4
c. 4:1
d. 3:1 - ✔️✔️A 1:3
TCT = 60 sec/f, TCT - TI =TE, TI:TE = 1:X 0.5/0.5 = 1.5/0.5
8. Calculate the expiratory time (TE) when the ventilator frequency is set to 25 bpm and
the inspiratory time (TI) is 0.75 second.
a. 0.75 second
b. 1.16 seconds
c. 1.65 seconds
d. 2.4 seconds - ✔️✔️C. 1.65 seconds
9. Calculate the tubing compliance (CT) when the measured volume is 150 mL and the
static pressure is 53 cm H2O.
a. 0.003 mL/cm H2O
b. 0.35 cm H2O/mL
c. 2.8 mL/cm H2O
d. 7.95cm H2O/mL - ✔️✔️C 2.8 mL/cm H2O
Calculate tubing compliance (CT) by dividing measured volume by measured static
pressure.
10. Slow flow rates will cause which of the following to occur?
a. Poor gas exchange
b. Increase peak pressures
c. Shorten expiratory time
d. Decrease mean airway pressure - ✔️✔️C. Shorten expiratory time
11. The flow wave form pattern that is created during pressure targeted ventilation is
which of the following?
a. Sine
b. Rectangular
c. Ascending Ramp
d. Descending Ramp - ✔️✔️D Descending Ramp
12. When initially setting up a ventilator the plateau pressure (PPlateau) is measured at
47 cm H2O with a set volume of 100 mL. After applying the ventilator to the patient, the
average peak pressure reached during volume delivery is 28 cm H2O. How much
volume is lost in the ventilator tubing?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller PatrickKaylian. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.69. You're not tied to anything after your purchase.
