Transcript PowerPoint Presentation - Respiratory Therapy Files

Question 1 of 50
A 8 year old child is being weaned from a continuous volumecycled ventilator. Each time the therapist attempts to wean by
decreasing the SIMV rate by 2 breaths, the child develops
diaphoresis and tachypnea. Which of the following should the
respiratory care practitioner recommend?
A.
B.
C.
attempts
D.
attempt T-tube weaning trials
use pressure support with SIMV
increase the FiO2 by 10% during the weaning
discontinue all weaning attempts
Question 2 of 50
A 32 week gestational age infant is being mechanically ventilated with the
following settings:
FiO2 0.35
Rate 24 b/min.
PEEP 10 cmH2O pressure
PIP 25 cmH2O pressure
Arterial blood gas results show:
pH 7.39
PCO2 34 mmHg
PO2 97 mmHg
HCO3- 21 mEq/L
Based upon the above information, the respiratory care practitioner should
recommend:
A.
decreasing the PEEP
B.
decreasing the FiO2
C.
decreasing the PIP
D.
increasing the rate
Question 3 of 50
During a routine ventilator parameter check on a
patient, you notice the low pressure alarm is being
briefly activated prior to each breath. Which of the
following is most likely the cause?
A.
B.
C.
D.
the patient is fighting the ventilator
the flow rate is set too fast
the alarm delay is set too short
the peak pressure limit is set too high
Question 4 of 50
A 11 year old child weighing 45 kg (99 lbs) is being mechanically ventilated with a volume-cycled ventilator at the following
settings:
Mode SIMV
Set Rate 10 br/min.
Total Rate 12 br/min.
VT 450 ml
FiO2 0.60
PEEP 5 cmH2O
Arterial blood gas results show:
pH 7.35
PCO2 46 mmHg
PO2 108 mmHg
HCO3- 22 mEq/L
Which of the following would you recommend at this time?
A.
B.
C.
D.
increase SIMV to 12
decrease PEEP to 3
increase VT to 475 ml
decrease FiO2 to 0.55
Question 5 of 50
The peak inspiratory pressure on a pressure limited, time-cycled ventilator
was changed from 20 cmH2O pressure to 25 cmH2O pressure. Which of the
following alarms need to be adjusted at this time?
A.
B.
C.
D.
PEEP
low pressure
peak pressure
I:E ratio
Question 6 of 50
A 78 year old male patient is being treated for obstructive sleep apnea at night with
bilevel positive airway pressure. Arterial blood gas results reveal an elevated PCO2
level. The respiratory care practitioner should recommend increasing the:
A.
B.
C.
D.
oxygen concentration
expiratory positive airway pressure (EPAP)
inspiratory flow rate
inspiratory positive airway pressure (IPAP)
Question 7 of 50
A 3 year old child with cystic fibrosis is being mechanically ventilated by a time-cycled, pressure limited
ventilator at the following settings:
PIP 34 cmH2O
I time 1.0 second
Rate 22 br/min.
FiO2 0.60
PEEP 6 cmH2O
Mode SIMV
Arterial blood gas results show:
pH 7.36
PCO2 44 mmHg
PO2 49 mmHg
HCO3- 24 mEq/L
The respiratory care practitioner should recommend adjusting the:
A.
B.
C.
D.
PEEP to 8 cmH2O
FiO2 to 0.65
Rate 24 br/min.
Pressure 36 cmH2O
Question 8 of 50
A 60 year old male patient weighs 80 kg (176 lbs) and is on a volume-cycled ventilator at
a set VT of 800 ml, a peak pressure reading of 65 cmH2O, exhaled VT measured at 760
ml, peak inspiratory flowrate is 60 L/min., a plateau pressure reading of 58 cmH2O and a
PEEP of 5 cmH2O. Which of the following is most likely occurring at this time?
A.
B.
C.
D.
dynamic compliance is decreasing
static compliance is increasing
airway resistance is increasing
thoracic compliance is increasing
Question 9 of 50
A 79 year old female weighing 54 kg (119 lbs) is a post-operative total hip replacement patient who is
receiving mechanical ventilation at the following settings:
Mode A/C
FiO2 0.45
Set rate 12 br/min.
Total rate 18 br/min.
VT 600 ml
Arterial blood gas results show:
pH 7.52
PCO2 29 mmHg
PO2 91 mmHg
HCO3- 23 mEq/L
Which of the following would you recommend at this time?
A.
B.
C.
D.
add 5 cmH2O PEEP therapy
decrease VT to 550 ml
initiate SIMV at 12 br/min.
decrease FiO2 0.40
Question 10 of 50
A 75 kg (165 lbs) male patient is being mechanically ventilated following coronary artery bypass
surgery. He is currently on the following settings:
Mode SIMV
Set rate 10 br/min.
Total rate 14 br/min.
FiO2 0.40
VT 750 ml
PEEP 8 cmH2O
Arterial blood gas results show:
pH 7.41
PCO2 44 mmHg
PO2 85 mmHg
HCO3- 23 mEq/L
You would recommend which of the following at this time?
A.
B.
C.
D.
decrease the FiO2
decrease the rate to 8
increase the PEEP to 10 cmH2O
maintain the current settings
Question 11 of 50
A 28 week gestational age infant with severe respiratory distress syndrome is being mechanically
ventilated with a time-cycled, pressure limited ventilator at the following settings:
Flow rate 6 LPM
Set rate 32 br/min.
PIP 28 cmH2O
FiO2 0.70
PEEP 5 cmH2O
I time 0.8 seconds
Umbilical arterial blood gas results reveal:
pH 7.40
PCO2 39 mmHg
PO2 42 mmHg
HCO3- 23mEq/L
Based on the above information, the respiratory care practitioner should recommend which of the
following?
A.
B.
C.
D.
I time to 1.0 seconds
PEEP to 7cmH2O
FiO2 to 0.75
PIP to 30 cmH2O
Question 12 of 50
A 45 year old female patient who weighs 60 kg (132 lbs) remains intubated in the recovery room
after an exploratory laparoscopy. She is currently receiving 6 cmH2O of CPAP with an FiO2 of 0.35
for the past 2 hours. Arterial blood gases and vital signs are stable with the following information
obtained:
RR
MIP
VT
VC
16 br/min.
-36 cmH2O
400 ml
1.2 L
Based upon the above information, the respiratory care practitioner should recommend:
A.
B.
C.
D.
maintain the current therapy
decrease the CPAP to 4 cmH2O
extubate and monitor the patient
obtain a portable chest x-ray
Question 13 of 50
Which of the following will decrease the mean airway pressure on a patient receiving
continuous volume-cycled ventilation?
A.
B.
C.
D.
decrease the inspiratory time
decrease the peak flowrate
decrease the expiratory time
decrease the triggering effort
Question 14 of 50
A 19 year old male patient weighing 78 kg (172 lbs) was brought into the ER with a suspected drug
overdose. He is now intubated and being mechanically ventilated with a volume-cycled ventilator at the
following settings:
Mode A/C
Set rate 12 br/min.
Total rate 12 br/min.
VT 850 ml
FiO2 0.50
Peak flow 30 LPM
The physician notes the ratio light is flashing and has asked the respiratory care practitioner to make the
appropriate adjustment. You would do which of the following:
A.
B.
C.
D.
increase the flow
decrease the tidal volume to 800 ml
decrease the FiO2
increase the sensitivity
Question 15 of 50
A 10 year old child with muscular dystrophy is on a chest cuirass at a -10 cmH2O
pressure, at a rate of 12 br/min. with the following arterial blood gases:
pH 7.34
PCO2 52 mmHg
PO2 58 mmHg
HCO3- 26 mEq/L
Which of the following would you recommend?
A.
B.
C.
D.
switch to a volume-cycled ventilator
increase the rate to 14 br/min.
change the pressure to -15 cmH2O
switch to a pressure-cycled ventilator
Question 16 of 50
A 58 year old, 65 kg (143 lbs) women arrives to the surgical ICU following aortic adbominal
aneurysm repair surgery. She has 40 pack year history of cigarette smoking and is currently
smoking 1 pack a day. The physician has writtten an order to initiate mechanical ventilation. All of
the following controls need to be adjusted by the respiratory care practitioner prior to starting
mechanical ventilation for this patient, EXCEPT:
A.
B.
C.
D.
FiO2
VT
f
PEEP
Question 17 of 50
Which of the following is NOT an indication for continuous positive airway
pressure?
A.
B.
C.
D.
a Qs/Qt of < 15%
PaO2 < 50 mmHg on an FiO2 > 0.60
a spontaneously breathing patient
an increased A-a DO2 gradient
Question 18 of 50
A spontaneously breathing 76 year old patient who weighs 60 kg (132 lbs) is on
a FiO2 of 0.45 via a trach collar has had a change in their tidal volume from 600
ml to 300 ml and their respiratory rate went from 12 br/min. to 24 br/min..
Which of the following changed due to the change in the tidal volume and rate?
A.
B.
C.
D.
minute ventilation
alveolar ventilation
anatomical deadspace
mechanical deadspace
Question 19 of 50
During an incentive spirometry treatment using a volume orientated device, the
patient inhales to TLC and exhales slowly to FRC what other instructions would you
give to improve distribution?
A.
B.
C.
D.
continue with the current instructions
switch to a flow orientated device
initiate IPPB
inspiratory hold
Question 20 of 50
A 75 kg (165 lbs) patient is receiving volume-cycled mechanical ventilation, the respiratory
care practitioner notes the following:
Mode SIMV
Set rate 12 br/min.
Total rate 16 br/min.
FiO2 0.35
VT 700 ml
The arterial blood gases are as follows:
pH 7.28
PCO2 53 mmHg
PO2 79 mmHg
HCO3- 24 mEq/L
Which of the following would you recommend at this time?
A.
B.
C.
D.
increase the FiO2 to 0.40
add 5 cmH2O PEEP
increase VT to 750 ml
increase SIMV to 14 br/min.
Question 21 of 50
A 15 year old female patient who weighs 55 kg (121 lbs) has multiple trauma from a four wheeler accident and has
developed ARDS. The respiratory care practitoner notes the following data:
Mode SIMV
Set rate 12 br/min.
Total rate 14 br/min.
FiO2 0.60
PEEP 10 cmH2O
VT 600 ml
The arterial blood gases are as follows:
pH 7.34
PCO2 38 mmHg
PO2 79 mmHg
HCO3- 21 mEq/L
The patient becomes agitated and is using accessory muscles and is attempting to pull out the IV lines. Which of the
following would you recommend at this time?
A.
B.
C.
D.
switch to assist/control mode
curare
pavulon
versed
Question 22 of 50
A 70 kg (154 lbs) post-cardiopulmonary arrest patient is on a volume-cycled ventilator in the assist/control
mode. The respiratory care practitioner notes the following data:
Set rate 8 br/min.
Total rate 8 br/min.
FiO2 0.65
VT 850 ml
The arterial blood gas results are as follows:
pH 7.30
PCO2 56 mmHg
PO2 78 mmHg
HCO3- 21 mEq/L
Which of the following ventilator adjustments would you recommend first?
A.
B.
C.
D.
institute PEEP therapy at 5 cmH2O
increase the rate to 12 br/min.
increase the FiO2 to 0.70
increase the VT to 900 ml
Question 23 of 50
A 62 year old patient weighing 50 kg (110 lbs) with a history of emphysema is on a volume-cycled ventilator due to
acute respiratory failure. The respiratory care practitioner notes the following:
Mode SIMV
Set rate 6 br/min.
Total rate 16 br/min.
VT 600 ml
FiO2 0.28
Arterial blood gases are as follows:
pH 7.37
PCO2 56 mmHg
PO2 65 mmHg
HCO3- 32 mEq/L
Which of the following would you recommend?
A.
B.
C.
D.
increase the SIMV to 8 br/min.
increase the FiO2 to 0.30
maintain the current settings
increase the VT to 650 ml
Question 24 of 50
Which of the following pathologies would be LEAST appropriate for pressure-cycled
ventilation?
A.
B.
C.
D.
kyphosis
muscular dystrophy
chronic CO2 retainer
drug overdose
Question 25 of 50
A 12 year old female weighing 40 kg (88 lb) is receiving continuous mechanical ventilation following an
accidental drug overdose. The respiratory care practitoner notes the following:
Mode SIMV
Set rate 12 br/min.
Total rate 12 br/min.
VT 750 ml
FiO2 0.30
Arterial blood gases are as follows:
pH 7.58
PCO2 23 mmHg
PO2 141 mmHg
HCO3- 22 mEq/L
Which of the following would you recommend?
A.
B.
C.
D.
decrease the tidal volume
decrease the respiratory rate
decrease the FiO2
add mechanical deadspace
Question 26 of 50
Which of the following parameters are acceptable for weaning a patient from continuous mechanical
ventilation?
I. VD/VT 65%
II. MIP -18 cmH2O
III. Qs/Qt 10%
IV. A-aDO2 12 mmHg (21% oxygen)
A.
B.
C.
D.
III & IV only
I & II only
I, II & III only
I, II, III & IV
Question 27 of 50
During an incentive spirometry treatment using a flow device, the float will not rise
during inspiration. This may be due to all of the following, EXCEPT:
A.
B.
C.
D.
a crack in the casing
an obstructed mouthpiece
inspiratory effort is too strong
inspiratory flow is too slow
Question 28 of 50
Which of the following can help decrease auto PEEP for a patient who is receiving continuous
mechanical ventilation?
I. increase the flow
II. change from a decelerating wave to a constant square wave
III. add expiratory retard
IV. add inspiratory hold
A.
B.
C.
D.
I & III only
II & IV only
I, II & III only
I, II, III & IV
Question 29 of 50
A 39 year old male weighing 85 kg (187 lbs) is on a volume-cycled ventilator following mitral valve
replacement surgery. Ventilator settings are as follows:
FiO2 0.45
Set rate 12 br/min.
Total rate 22 br/min.
VT 900 ml
Flow rate 30 LPM
Mode SIMV
The patient appears to be agitated and restless. The physician asks for your recommendation. You
would recommend which of the following?
A.
B.
C.
D.
switch to pressure support ventilation
switch to pressure control ventilation
administer Versed
increase the flow
Question 30 of 50
A 46 year old female patient weighing 65 kg (143 lbs) is on a volume-cycled ventilator following a
motor vehicle accident. Ventilator settings are as follows:
FiO2 0.40
Mode SIMV
Set rate 6 br/min.
Total rate 16 br/min.
VT 700 ml
Pressure support 25 cmH2O
Arterial blood gas results are as follows:
pH 7.51
PCO2 29 mmHg
PO2 140 mmHg
HCO3- 22 mEq/L
Based upon the above information, you would recommend which of the following at this time?
A.
B.
C.
D.
decrease pressure support to 20 cmH2O
decrease FiO2 to 0.30
place on a T-tube at 50% oxygen
decrease SIMV to 3 br/min.
Question 31 of 50
A 52-year-old 5 ft, 9 in. tall male patient weighs 85 kg (187 lb) is being mechanically
ventilated. An arterial blood gas has been obtained. Ventilatory data and blood gas results are
below:
Mode Assist/Control
FIO2 0.40
Mandatory rate 10
Total rate 10
VT 650 mL
PEEP 5 cm H2O
Mechanical VD 100 mL
pH 7.28
PaCO2 74 torr
PaO2 57 torr
SaO2 86%
HCO3 23 mEq/L
BE 0 mEq/L
Which of the following changes should be recommended at this time?
A.
B.
C.
D.
Decrease the VT to 550 mL
Decrease the mandatory rate to 8
Decrease the mechanical deadspace
Decrease the FIO2 to 0.35
Question 32 of 50
A 75 kg (165 lb) patient with a sub-arachnoid hemorrhage is being mechanically ventilated with a volumecontrolled ventilator at the following settings
Mode Assist control
VT 700 mL
Mandatory rate 12
Total rate 12
FIO2 .40
PEEP 0
I:E Ratio 1:2
Arterial Blood Gas analysis reveals the following
pH 7.35
PaCO2 41 torr
PaO2 85 torr
HCO3- 23 mEq/L
SaO2 94%
The respiratory therapist should recommend
A.
B.
C.
D.
increase the tidal volume
decrease the respiratory rate
increase the FIO2
add inflation hold
Question 33 of 50
A 52-year-old 5 ft, 9 in. tall male patient weighs 85 kg (187 lb) is being mechanically ventilated. An arterial blood
gas has been obtained. Ventilatory data and blood gas results are below:
Mode Assist/Control
FIO2 0.40
Mandatory rate 16
Total rate 16
VT 850 mL
PEEP 5 cm H2O
pH 7.47
PaCO2 31 torr
PaO2 87 torr
SaO2 96%
HCO3 23 mEq/L
BE 0 mEq/L
Which of the following changes should be recommended at this time?
A.
B.
C.
D.
Decrease the rate to 12
Decrease the VT to 600 mL
Increase the FIO2 to 0.45
Increase the PEEP to 8 cm H2O
Question 34 of 50
A 34-year-old male patient is 5 ft, 10 in. tall and weighs 81 kg (178 lb). He has suffered multiple trauma in an
automobile accident and is being mechanically ventilated. Chest radiograph reveals diffuse infiltrates with
reticulogranular formation. An arterial blood gas has been obtained. Ventilatory data and blood gas results are
below:
Mode SIMV
FIO2 0.60
Mandatory rate 10
VT 700 mL
PIP 38 cm H2O
Plateau pressure 29 cm H2O
PEEP 10 cm H2O
pH 7.37
PaCO2 45 torr
PaO2 51 torr
SaO2 82%
HCO3 23 mEq/L
BE 0 mEq/L
Which of the following changes should be recommended at this time?
A.
B.
C.
D.
Increase the PEEP to 30 cm H2O
Increase the VT to 800 mL
Increase the mandatory rate to 16
Change the mode to control, sedate as necessary
Question 35 of 50
A 52-year-old 6 ft, 1 in. tall male patient weighs 85 kg (187 lb) is being mechanically ventilated. An
arterial blood gas has been obtained. Ventilatory data and blood gas results are below:
Mode Assist/Control
FIO2 0.40
Mandatory rate 10
Total rate 10
VT 850 mL
PEEP 10 cm H2O
pH 7.49
PaCO2 28 torr
PaO2 87 torr
SaO2 96%
HCO3 25 mEq/L
BE +1 mEq/L
Which of the following changes should be recommended at this time?
A.
B.
C.
D.
Decrease the rate to 5
Decrease the VT to 450 mL
Increase the PEEP to 15 cm H2O
Add 50 mL of mechanical deadspace
Question 36 of 50
A patient who is 5 ft, 8 in. tall and weighs 68 kg (150 lb) is being mechanically ventilated. Chest radiograph reveals
bilateral infiltrates. An arterial blood gas has been obtained. Ventilatory data and blood gas results are below:
Mode SIMV
FIO2 0.50
Mandatory rate 10
Total rate 20
VT 700 mL
Spontaneous VT 250 mL
PIP 26 cm H2O
Plateau pressure 20 cm H2O
PEEP 5 cm H2O
pH 7.47
PaCO2 31 torr
PaO2 97 torr
SaO2 96%
HCO3 23 mEq/L
BE 0 mEq/L
Which of the following changes should be recommended at this time?
A.
B.
C.
D.
Increase the PEEP to 15 cm H2O
Increase the VT to 900 mL
Increase the mandatory rate to 16
Maintain current settings
Question 37 of 50
A 80 kg (176 lb) patient with pulmonary fibrosis is being mechanically ventilated with a volume-controlled ventilator at
the following settings
Mode SIMV
VT 700 mL
Mandatory rate 15
Total rate 15
FIO2 0.45
PEEP +10
I:E Ratio 1:2
PIP 50 cmH2O
Arterial Blood Gas analysis reveals the following
pH 7.34
PaCO2 42 torr
PaO2 55 torr
HCO3- 22 mEq/L
SaO2 88%
The respiratory therapist should recommend:
A.
B.
C.
D.
increasing the FIO2 to 60%.
decreasing the respiratory rate.
increase the PEEP level to 20 cm H2O.
changing to pressure control mode.
Question 38 of 50
A 68 kg (150 lb) patient with left lower lobe pneumonia is being mechanically ventilated with a volume-controlled
ventilator at the following settings
Mode Assist control
VT 800 mL
Mandatory rate 12
Total rate 12
FIO2 0.55
PEEP +5
I:E Ratio 1:3
PIP 45 cmH2O
Arterial Blood Gas analysis reveals the following
pH 7.33
PaCO2 42 torr
PaO2 65 torr
HCO3- 21 mEq/L
SaO2 90%
The respiratory therapist should recommend:
A.
B.
C.
D.
increasing the tidal volume.
decreasing the respiratory rate.
increase the PEEP level.
changing to pressure control mode.
Question 39 of 50
A patient who is 5 ft, 8 in. tall and weighs 68 kg (150 lb) is being mechanically ventilated. Chest radiograph
reveals bilateral infiltrates. An arterial blood gas has been obtained. Ventilatory data and blood gas results are
below:
Mode SIMV
FIO2 0.50
Mandatory rate 10
Total rate 20
VT 700 mL
Spontaneous VT 250 mL
PEEP 5 cm H2O
pH 7.42
PaCO2 41 torr
PaO2 67 torr
SaO2 89%
HCO3 24 mEq/L
BE 0 mEq/L
Which of the following changes should be recommended at this time?
A.
Change to pressure control ventilation at 35 cm
H2O
B.
Change to inverse ratio ventilation, sedate as
necessary
C.
Initiate pressure support ventilation at 10 cm
H2O
D.
Maintain current settings
Question 40 of 50
The respiratory therapist reviews the ventilator flow sheet for a post-op patient. The
ventilator settings have not been changed during the past 24 hours. The peak and plateau
pressures were recorded as above. This information would indicate:
A.
B.
C.
D.
Airway resistance is increasing
Lung compliance is decreasing
The patient can begin weaning
The PEEP should be increased
Question 41 of 50
The respiratory therapist reviews the ventilator flow sheet for a post-op patient. The ventilator
settings have not changed during the past 24 hours. The peak and plateau pressures were
recorded as above. This information would indicate:
A.
B.
C.
D.
Airway resistance is increasing
Lung compliance is decreasing
The patient needs to be suctioning
The patient can begin weaning
Question 42 of 50
The respiratory therapist reviews the ventilator flow sheet for a post-op patient. The ventilator settings have
not been changed during the past 24 hours. The peak and plateau pressures were recorded as above. This
information would indicate:
A.
B.
C.
D.
Airway resistance is increasing
Lung compliance is increasing
The patient can begin weaning
The PEEP should be increased
Question 43 of 50
A 65 kg (143 lb) patient with a sub-arachnoid hemorrhage is being mechanically ventilated with a volumecontrolled ventilator at the following settings
Mode SIMV
VT 800 mL
Mandatory rate
Total rate 12
FIO2 0.40
PEEP 0
I:E Ratio 1:2
12
Arterial Blood Gas analysis reveals the following
pH 7.35
PaCO2 41 torr
PaO2 85 torr
HCO3- 23 mEq/L
SaO2 94%
The respiratory therapist should recommend
A.
B.
C.
D.
decreasing the tidal volume
increasing the respiratory rate
adding 5 cmH2O of PEEP
maintaining current settings
Question 44 of 50
A 57-year-old male patient with severe left-sided pneumonia is being mechanically ventilated. The chest radiograph shows
left side consolidation with air bronchograms. An arterial blood gas has been obtained. Ventilatory data and blood gas
results are below:
Mode Assist/Control
FIO2 0.80
Mandatory rate 20
Total rate 20
VT 650 mL
PIP 30 cm H2O
Plateau Pressure 25 cm H2O
PEEP 15 cm H2O
pH 7.38
PaCO2 43 torr
PaO2 52 torr
HCO3 24 mEq/L
BE 0 mEq/L
Which of the following should the therapist recommend?
A.
B.
C.
D.
Increase the FIO2 to 1.0
Decrease the PEEP to 10 cm H2O
Increase the VT to 800 mL
Decrease the mandatory rate to 15
Question 45 of 50
A 20-year-old, 90 kg (198 lb) man is receiving mechanical ventilation. The chest radiograph shows diffuse
irregular infiltrates. Pertinent data are below:
Mode SIMV
Mandatory rate 10
Total rate 20
VT 0.5 L
FIO2 0.60
PEEP 5 cm H2O
Peak flow 65 L/min
I:E ratio 1:2
pH 7.37
PaCO2 48 torr
PaO2 79 torr
SaO2 92%
HCO3 23 mEq/L
BE 0 mEq/L
The therapist should recommend
A.
B.
C.
D.
Decrease the mandatory rate
Increase the tidal volume
Decrease the FIO2
Decrease the peak flow
Question 46 of 50
A patient has come to the pulmonary function lab for pre-op testing. The patient performs a maximum
inspiration followed by a maximum forceful expiration. This procedure would measure:
A.
B.
C.
D.
RV
FRC
TLC
FVC
Question 47 of 50
A patient complaining of dyspnea has the following arterial blood gas results:
pH - 7.36
PaCO2 - 56 torr
PaO2 - 49 torr
HCO3 - 34 mEq/L
SaO2 - 80%
FIO2 - .21
These results are best described as:
A.
B.
C.
D.
acute respiratory acidosis
acute metabolic alkalosis
chronic respiratory acidosis
chronic metabolic alkalosis
Question 48 of 50
A patient involved in an automobile accident is receiving continuous IV fluids in the intensive care unit.
Which of the following could indicate that a fluid overload is present?
I. fine rales
II. fluffy infiltrates
III. peripheral edema
A.
B.
C.
D.
I and II only
II and III only
I and III only
I, II and III
Question 49 of 50
What would the therapist palpate when assessing a patient with a tension pneumothorax?
A.
B.
C.
D.
hyperresonance
tracheal deviation
absent breath sounds
increased work of breathing
Question 50 of 50
A patient is receiving non-invasive positive pressure assisted ventilation (NIPPV) with a Bi-level positive
airway pressure ventilator at the following settings.
IPAP - 25 cmH2O
EPAP - 5 cmH2O
rate - 10 br/min
Arterial blood gas results are:
pH - 7.49
PaCO2 - 29 torr
PaO2 - 110 torr
HCO3- - 25 mEq/L
SaO2 - 98%
Which of the following should the therapist recommend?
A.
B.
C.
D.
increase the IPAP
decrease the IPAP
increase the EPAP
decrease the EPAP