Positive End-expiratory Pressure Peep Quiz

56 Questions | By Yuwenmchen | Updated: Mar 20, 2022 | Attempts: 140

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Questions and Answers

1.

You just started your patient on a CPAP weaning trial, what's the minimum amount of time you should wait before drawing an ABG?
- A.
  
  45 min
- B.
  
  15 min
- C.
  
  30 min
- D.
  
  25 min
2.

Patient's IBW is 78 kg. His exhaled tidal volume is 500 mL (close to 7 ml/kg) at RR of 14 breaths/min. And there is a measured mechanical deadspace of 30 mL in the tubing and HME. Calculate the Alveolar Volume.
- A.
  
  392 mL
- B.
  
  298 mL
- C.
  
  470 mL
- D.
  
  4,172 mL
3.

Patient's IBW is 52 kg. Her exhaled tidal volume is 350 (close to 7 ml/kg) with a RR of 10. This creates a MV of 3.5 LPM. Measured mechanical deadspace for the tubing and HME is 30 mL. Calculate Alveolar Ventilation.
- A.
  
  2.06 LPM
- B.
  
  2.68 LPM
- C.
  
  4.1 LPM
- D.
  
  2.6 LPM
4.

Patient's IBW is 132 lbs. Exhaled tidal volume is 420 mL (7ml/kg). MV is 5.0 LPM. Mechanical deadspace volume from the extra tubing and HME is ~40 mL. Calculate Alveolar Volume.
- A.
  
  248 mL
- B.
  
  89.6 mL
- C.
  
  243 mL
- D.
  
  175 mL
5.

What are some possible causes for an increase in PIP?
- A.
  
  Bronchospasm
- B.
  
  Secretions
- C.
  
  Emphysema
- D.
  
  Tube Obstruction
- E.
  
  Decreased compliance
- F.
  
  Increased compliance
6.

Which of the following is true
- A.
  
  This is a dyanamic compliance (CLdyn) issue
- B.
  
  This is an airway resistance (RAW) issue
- C.
  
  This is a static compliance (CLstatic) issue
- D.
  
  Only PIP is increasing while Pplat stayed the same
- E.
  
  PIP and Pplat are increasing together
- F.
  
  Pta = PIP - Pplat
7.

Which of the following is/are true?
- A.
  
  This is a compliance (CL) issue
- B.
  
  This is an airway resistance (RAW) issue
- C.
  
  Only PIP is increasing while Pplat stayed the same
- D.
  
  PIP and Pplat are increasing together at the same interval
- E.
  
  PIP and Pplat are increasing together at different intervals
8.

Which of the following is/are true?
- A.
  
  This is a compliance (CL) issue
- B.
  
  This is an airway resistance (RAW) issue
- C.
  
  Only PIP is increasing while Pplat stayed the same
- D.
  
  PIP and Pplat are increasing together at the same interval
- E.
  
  PIP and Pplat are increasing together at different intervals
9.

Which of the following is/are true?
- A.
  
  Compliance in improving
- B.
  
  This is an airway resistance (RAW) issue
- C.
  
  Only PIP is decreasing while Pplat stayed the same
- D.
  
  PIP and Pplat are decreasing together at the same interval
- E.
  
  PIP and Pplat are decreasing together at different intervals
- F.
  
  Compliance in getting worse
- G.
  
  Compliance in getting worse
10.

Which of the following is true?
- A.
  
  Compliance is getting worse
- B.
  
  This is an airway resistance (RAW) issue
- C.
  
  Only PIP is increasing while Pplat stayed the same
- D.
  
  This is because PEEP is increasing
- E.
  
  Compliance in getting worse
11.

Patient is in PC-CMV with PIP of 25 and RR of 12. What happens if there's an increase in RAW or decrease in compliance?
- A.
  
  Volumes decrease
- B.
  
  Pressures decrease
- C.
  
  Volumes increase
- D.
  
  Pressures increase
12.

Check all of the correct cuff pressures.
- A.
  
  20-25 cmH2O
- B.
  
  20-25 mmHg
- C.
  
  27-34 cmH2O
- D.
  
  27-34 mmHg
13.

Minimal Leak Technique occurs when you listen over the suprasternal notch or lateral neck, and inflate the cuff just until no leak is heard at end inspiration.
- A.
  
  True
- B.
  
  False
14.

Patient is 5'10" with an IBW of 73 kg. He is in AC-VC with 500 mL tidal volume and a RR of 14 on FiO2 of 40%.The following ABG comes back: pH 7.33, PaCO2 50, PaO2 55, HCO3 of 22. What would you change on the vent if you want a desired PaCO2 of 40 and a desired PaO2 of 70?
- A.
  
  Increase RR to 18. Increase FiO2 to 50%
- B.
  
  Increase RR to 20. Increase FiO2 to 70%
- C.
  
  Increase VT to 625 mL. Increase FiO2 to 50%
- D.
  
  Increase VT to 650 mL. Increase FiO2 to 70%
15.

You are in PC-CMV with a PIP of 23 and RR of 12 with FiO2 of 50%. You draw the following ABG: pH 7.32, PaCO2 50, PaO2 70, HCO3 of 24. What vent settings would you change if you want a PaO2 of 80 and PaCO2 of 40 WITHOUT changing the RR (want to leave RR at 12).
- A.
  
  Increase PIP to 29. Increase FiO2 to 57%
- B.
  
  Decrease PIP to 20. Increase FiO2 to 67%
- C.
  
  Increase PIP to 27. Increase FiO2 to 54%
- D.
  
  Increase PIP to 24. Increase FiO2 to 65%
16.

Pt is on AC-VC and there's an increase in RAW. Select all that is true.
- A.
  
  PIP increases
- B.
  
  PIP decreases
- C.
  
  VT increases
- D.
  
  VT decreases
17.

If someone is in VC and Pplat increases, what has happened to the compliance?
- A.
  
  Decreased
- B.
  
  Increased
18.

Select all that is true
- A.
  
  Normal RAW = 0.5-2.4 cmH2O/L/sec
- B.
  
  Normal RAW = 2.4-5.0 cmH2O/L/sec
- C.
  
  Normal Static Compliance = 40-70 mL/cmH2O
- D.
  
  Normal Dynamic Compliance = 70-100 mL/cmH2O
- E.
  
  Normal Static Compliance = 70-100 mL/cmH2O
- F.
  
  Normal Dynamic Compliance = 40-70 mL/H2O
19.

Select all that is true about RED DOT A...
- A.
  
  This is the lower inflection point
- B.
  
  This is the upper inflection point
- C.
  
  This is the point at which a large # of alveoli are recruited
- D.
  
  This is the point when a large # of alveoli are overdistended
- E.
  
  PEEP can be set a little above this point
- F.
  
  PIP can be set a little below this point
- G.
  
  This is important for ARDS
20.

Check all the causes of Metabolic acidosis
- A.
  
  Hypovolemia
- B.
  
  Aspirin (and other drug ingestion)
- C.
  
  Diuretics
- D.
  
  NaHCO3 infusion/ingestion
- E.
  
  DKA
- F.
  
  NG suctioning
- G.
  
  Lactic Acid
- H.
  
  Hypovolemia
- I.
  
  Hypokalemia
- J.
  
  Diarrhea
- K.
  
  Pancreatitis
- L.
  
  Vomiting
- M.
  
  Renal Failure
21.

Your pt is still respiratory acidotic despite increasing their alveolar ventilation. What could they potentially have?
- A.
  
  Pulmonary embolism
- B.
  
  COPD
- C.
  
  Pulmonary edema
- D.
  
  Low PEEP
22.

PEEP is for ventilation
- A.
  
  True
- B.
  
  False
23.

At what conditions would you increase PEEP instead of increasing FiO2?
- A.
  
  FiO2 >= 60%
- B.
  
  P/F ratio < 300
- C.
  
  P/F ratio > 400
- D.
  
  FiO2 less than 60%
- E.
  
  Refractory Hypoxemia
24.

What are some contrindications for APRV?
- A.
  
  COPD
- B.
  
  Guillan Barre
- C.
  
  Myasthenia gravis
- D.
  
  Fibrosis
- E.
  
  Someone who doesn't need heavy sedation
- F.
  
  Someone who needs heavy sedation
- G.
  
  Cerebral edema w/increased ICP
- H.
  
  Post-surgery atelectasis
- I.
  
  Refractory hypoxemia / difficulty oxygenating
25.

Check all that are the Acute Phase of ARDS:
- A.
  
  Inflammation
- B.
  
  Hypoxemia
- C.
  
  Fibrosing alveolitis
- D.
  
  Alveolar filling
- E.
  
  Decreased CL
- F.
  
  Pulmonary fibrosis