IPPB part I review questions 10/5/2018 6:17:39 PM page 1
Review questions for IPPB part I
Name: Date:2007
- IPPB:
- immediate positive pressure breathing
- intermittent positive pressure breathing
- pressurized gas into a mask or mouthpiece
- used to replace SMI by IS or segmental breathing
- all but a
- all but b
- SMI:
- means sustained maximal inspiration
- is the same maneuver we use with incentive spirometer
- both
- The breath of the IPPB ends when:
- the preset time for the breath is over
- the preset pressure is reached
- the PIP is reached
- all but a
- all but b
- The PIP we select for IPPB will be based on:
- The amount of the Vt we want to give
- The compliance of the patient’s lung
- Both
- Can we give inhaled medication with the IPPB?
- If it has a inline SVN, yes
- If it has an inline MDI, yes
- No
- How does the inspiratory phase for IPPB start?
- The PIP is reached
- A negative pressure in the hose trips the machine on
- What event ends the inspiratory phase for IPPB?
- The PIP is reached
- A negative pressure in the hose trips the machine on
- Describe what happens to the flow of gas once the Peak pressure is reached.
- The machine’s inspiratory flow rate slows and eventually stops
- The machine’s inspiratory flow stops immediately
- The machine’s expiratory flow starts immediate
- Both b and c
- What is the function of the line that interfaces the mushroom valve and the main circuit line?
- As the main circuit is pressurized, the mushroom valve gets pressure too
- As the main circuit loses pressure at the end of the breath, the mushroom valve loses pressure too.
- As long as there is pressure in the line, the exhalation port is closed
- All of these
- All but c
- Differentiate between the mushroom drive line and the drive line for the SVN.
- The mushroom drive line keeps the exhalation port closed during inspiration
- The mushroom drive line keeps the exhalation port open during inspiration
- The SVN gets gas for nebulization during the inspiratory time
- Both a and c
- Both b and c
- If the IPPB sensitivity knob is set correctly, the patient need only create what pressure to trigger on the inspiratory phase?
- + 15 cmH20
- + 20 cmH20
- + 2 cmH20
- -2 cmH20
- If the peak pressure is set at 20, at what pressure will the inspiratory phase end?
- + 15 cmH20
- + 20 cmH20
- - 20 cmH20
- -2 cmH20
- Identify the acceptable rate of the IPPB?
- 12-15 bpm
- 10-12 bpm
- 8-10 bpm
- 6-8 bpm
- Why do we not use the same rate that we would use to bag a patient?
- Because this is positive pressure and the manual resuscitator bag is not
- Because this is not a VT, but a SMI
- Both a and b
- Explain how IPPB and IS differ:
- IPPB creates positive pressure in the thorax
- IPPB creates a breath that is 15 ml/kg IBW
- IS is cheaper and easier to use
- A and c
- A, b and c
- Explain how IPPB and IS are the same:
- They both create positive pressure in the thorax
- They both create positive pressure in the airway
- They are both forms of SMI
- Explain how IPPB and manual resuscitator are the same :
- They both create positive pressure in the thorax
- They both create positive pressure in the airway
- They are both used to deliver VT at rates of 10-12 bpm
- Both a and b
- A, b and c
- During normal breathing, the person’s diaphragm drops:
- which makes the volume of the chest get larger
- Which makes the volume of the chest get smaller
- the pressure in the lung goes lower than the atmosphere and the air enters the airways.
- Both a and c
- Both b and c
- During a normal breath the negative pressure in the thorax:
- Creates a suction that pulls blood back into the heart
- Helps the cardiac output
- Has no effect on the cardiac output
- Both a and b
- If a patient has post op atelectasis does he need IPPB?
- Yes
- No, not if he can get 12-15 ml/Kg IBW with IS
- Your patient whose PaC02 is rising and his Pa02 is falling even on a NRM, has a rapid shallow respiratory rate. Could you manage him with a IPPB while someone gets the mechanical ventilatory ready?
- Yes
- No
- Your patient gets an X-ray and he has a pneumothorax on the Right side. He is breathing rapid and shallow. Could you manage him with IPPB?
- No
- Yes
- Your patient has a PEFR of 350 before IPPB with .63 mg levalbuterol in normal saline. After the IPPB his PEFR is 375. Is the IPPB working?
- Yes
- No
- [refer to the above question] If this patient had gotten Tobie in the IPPB instead of levalbuterol, would you expect the PEFR to rise?
- yes
- no
- If your patient has been on IS Q 2 for a couple of days and cannot move more than 10 ml/kg IBW, and his atelectasis is spreading, does he need IPPB?
- Yes
- No, increase the frequency of the IS to Q 1 for two more days
- If your patient is wheezing and has crackles and rhonchi, does he need IPPB?
- Yes
- No
- Only if IS, SVN, deep breathing, turning and cough, or chest PT doesn’t mobilize secretions or deliver medications
- Three days after getting IPPB with .3 metaproterenol and 2 ml 20% acetylcystiene, your patient’s X-ray shows that the atelectasis is resolved. Did the IPPB do this?
- Yes
- No
- Your patient has asthma, for what hazard of IPPB is she most at risk?
- Increased air trapping
- Increased chance of pneumothorax due to air trapping
- Decreased cardiac output
- Hemoptysis
- Both a and b
- Both c and d
- Your patient got a GSW in the neck and has suffered a ruptured trachea and a ruptured esophagus. Would you suggest IPPB at this time?
- No
- Yes
- Your patient has active pulmonary TB. For what hazard of IPPB is she most at risk?
- Increased ICP
- Air trapping
- Decreased Cardiac output
- Hemoptysis
- Your patient is getting IPPB at PIP of 18 cm H20 at a VT of 20 cml/kg IBW. He is getting 1.25 mg of levalbuterol in 5 mg. of ipratropium bromide. In the first 3 minutes of the treatment his HR went from 85 to 106 bpm. What do you recommend?
- Decrease the PIP to 15 to decrease the excessive airway pressure that is hampering cardiac output
- Stop the treatment and call the doctor
- Stop the treatment and wait for a few minutes, if the HR returns to 80s then restart the IPPB at the same PIP and VT but at a lower rate
- Stop the treatment and wait for a few minutes, if the HR returns to 80s then restart the IPPB at a lower PIP and VT
- Your patient got a GSW in the chest and has chest tubes for his pneumothorax. If it is indicated, could he safely get IPPB?
- Yes, the pneumothorax is treated
- No, he has a pneumothorax
- Your patient is getting IPPB with a PIP 22 cmH20 to get a VTof 30 ml/Kg IBW, what do you suggest?
- Increase the PIP to increase the VT
- Decrease the PIP to decrease the VT
- Decrease the PIP before he swallows air and vomits
- Your patient just has facial surgery. Would you suggest an IPPB to keep atelectasis at bay?
- No, we could do the same with IS
- No, this type of patient is better off not coughing; he is not at risk for atelectasis anyway
- No, we don’t want to put the patient’s head and face tissue under any positive pressure at this time
- Both b and c
- Your patient has been on the IPPB for 3 or 4 minutes with a VT 30 ml/kg IBW and a rate of 10 bpm. She c/o fingers tingling and dizziness. What is happening?
- Her cardiac output is down
- Her C02 is up
- Her C02 is down
- Her cerebral blood vessels are constricted
- Both b and d
- Both c and d
- What do you recommend to correct the above situation?
- Stop the treatment and call the doctor
- Stop the treatment for a few minutes and decrease the PIP to get a VT of 15 ml/kg
- Stop the treatment for a few minutes and ask the patient to breath at 6-8 bpm
- Your patient is getting IPPB with .5 mg ipratropium bromide. After a few breaths, he stops the treatment and tells you that his chest is tight. You hear bilateral expiratory wheezing. What do you recommend?
- Let him wait for the cholinergic blocker to relieve the bronchospasm
- Add 2.5 mg albuterol to the cholinergic blocker to relieve the bronchospasm
- Wait for the cardiac output to return to normal and then start the treatment at a lower RR.
- Your patient, who is ordered on IPPB, has a rapid, thready pulse and a capillary refill of about 3 seconds. Would the IPPB help or hamper at this point?
- Would help
- Might hamper the venous return to the heart
- No effect on this patient good or bad
- Your patient, who has an intracranial pressure monometer in his head has an ICP higher than normal. Would the IPPB help or hamper at this point?
- Would help
- Might hamper blood flow from the head
- Your patient, who has lung cancer, has been coughing up bloody sputum all afternoon. Would you recommend IPPB?
- Yes
- No
- IPPB causes decreased cardiac output by:
- Decreasing the amount of blood that returns to the heart
- Increasing the amount of blood that returns to the heart
- If a patient’s cardiac output goes down, the patient will respond by:
- Bradycardia
- Tachycardia
- No effect on the HR
- If you give IPPB at a VT of20 ml/kg IBW, you would:
- Expect to increase the FRC and resolve the atelectasis
- Need to increase the IC because this is not enough
- Could increase the VT with the IPPB a little without worrying
- Need to decrease the VT because we worry about barotrauma
- A and c
- A but d
- If you don’t wash your hands prior to giving an IPPB treatment, your patient is at increased risk of what hazard?
- Pneumonia
- Pneumothorax
- Decreased cardiac output
- If you give IPPB at a VT of 46 ml/kg IBW, you would:
- Be creating excessively high airway pressure
- Put the patient at risk for barotrauma
- Hampering the cardiac out unnecessarily
- All of these hazards are possible at this VT
- During the IPPB treatment, you listen to BBS and hear that the lower lobes have increased air movement. Did you expect this?
- Yes
- No
- How would you assess your patient after an IPPB treatment is complete:
- Vital Signs for improvement or for decreased cardiac output
- BBS for improvement or for air trapping
- Sensorium for 02 induced hypoventilation or apnea
- All of these
- While breathing spontaneously we maintain an I:E of 1:1.5, but on the IPPB we need to:
- Do 1:1
- Do 1:2 or 1:3 at least
- How do you check the VT during the IPPB?
- Listen to the basal BBS
- Read the return VT on the Wright’s spirometer
- Read the return VT on the venti-comp bag
- All of these
- Why do you check the VT during IPPB?
- We need at least 15 ml/kg IBW for a good SMI
- We need to keep lower than 45 ml/Kg IBW to prevent barotrauma
- Both
- [refer to above question] Explain your answer:
- The IPPB sent the air to the lower lobes
- The IPPB delivered the medication to the lower lobes to break up the excessive mucous
- The IPPB hampered the cardiac output and did more harm that good
- a and b
- During an IPPB breath, the positive pressure in the airway:
- Is transmitted to the thorax
- Helps the blood return to the heart
- Impedes the blood returning to the heart
- Can decrease the cardiac output
- Has no effect on the cardiac output
- i, ii,
- i, v
- i, iii, iv
- ii and iv