Tmc practice Questions and Correct
Answers
Which of the following is the most effective device to increase the absolute humidity
delivered to a patient?
A. Aerosol mask
B. Bubble humidifier
C. Heated passover humidifier
D. Heat moisture exchanger
✓ ~~~ C. Heated passover humidifier
When reviewing a patient arterial BP waveform, a RT notes that the systolic BP is
120mmHg during inspiration and 135 mmHg during expiration. This should be
documented as:
✓ ~~~ D. Pulsus paradoxus
A 50 year old female patient is admitted to the ED for facial trauma, including a
broken nose and jaw. The patient demonstrates difficulty in breathing result of
profuse oral bleeding. An ED physician performs a tracheostomy procedure. After
the tube is inserted, which of the following steps should the RT prioritize.
A. Ensure the cuff has been properly inflated
B. Suction oral and tracheal secretions
,C. Hyper oxygenate the patient for 3 mins
D. Request a CXR
✓ ~~~ A. Ensure the cuff has been properly inflated
A patient admitted with pneumonia and bilateral atelectasis has been receiving 20
L/min oxygen by high-flow cannula at an FiO2 of 0.70 for 3 days. ABG analysis
results are:
pH 7.43
PCO2 38mmHg
PO2 120mmHg
HCO3 25 mEq/L
BE +1 mEq/L
SaO2 (calc) 98%
which of the following should the RT do?
A. Decrease the flow
B. Decrease the FiO2
C. Decrease the flow and FiO2 simultaneously
D. Change to a standard nasal cannula
✓ ~~~ B. Decrease the FiO2
The lung volume data below are reported for an adult patient:
,Predicted Observed Percent
(L) (L) predicted
FVC 4.47 4.26 95%
IC 3.42 3.33 97%
IRV 2.82 2.80 99%
VT 0.60 0.53 88%
ERV 1.05 0.93 89%
These values are:
A. within normal limits
B. Suggestive of small airway disease
C. Suggestive of mild restrictive disease
D. Suggestive of severe restrictive disease
✓ ~~~ A. within normal limits
A RT is managing the ventilatory support of an intubated patient being transported in
an unpressurized aircraft at 8000ft. Which of the following is most critical to monitor
during transport?
A. Tidal Volume
B. Auto-PEEP
C. End-tidal CO2
D. Pulse oximetry
, ✓ ~~~ D. Pulse oximetry
A RT is reviewing a chart of a 60 year old male who is 178 cm( 5 ft 10in) tall. Weighs
73 kg and has moderate dyspnea. The CXR report indicates the patient has flattened
diaphragm, severe hyperinflation and small cardiothoracic ratio. The PFT results are
as follows:
FVC 2.45 L
FEV1/FVC % 48%
FEF25-75% 1.25 L.sec
FRC by helium dilution 3.75 L
RV/ TLC % 45%
DLCO 12 mL/min/mmHg
Which of the following should the RT review to further evaluate the extent air
trapping?
A. Flow-volume loop
B. Post bronchodilator therapy
C. Nitrogen washout
D. Body plethysmography
✓ ~~~ A. Flow-volume loop
Answers
Which of the following is the most effective device to increase the absolute humidity
delivered to a patient?
A. Aerosol mask
B. Bubble humidifier
C. Heated passover humidifier
D. Heat moisture exchanger
✓ ~~~ C. Heated passover humidifier
When reviewing a patient arterial BP waveform, a RT notes that the systolic BP is
120mmHg during inspiration and 135 mmHg during expiration. This should be
documented as:
✓ ~~~ D. Pulsus paradoxus
A 50 year old female patient is admitted to the ED for facial trauma, including a
broken nose and jaw. The patient demonstrates difficulty in breathing result of
profuse oral bleeding. An ED physician performs a tracheostomy procedure. After
the tube is inserted, which of the following steps should the RT prioritize.
A. Ensure the cuff has been properly inflated
B. Suction oral and tracheal secretions
,C. Hyper oxygenate the patient for 3 mins
D. Request a CXR
✓ ~~~ A. Ensure the cuff has been properly inflated
A patient admitted with pneumonia and bilateral atelectasis has been receiving 20
L/min oxygen by high-flow cannula at an FiO2 of 0.70 for 3 days. ABG analysis
results are:
pH 7.43
PCO2 38mmHg
PO2 120mmHg
HCO3 25 mEq/L
BE +1 mEq/L
SaO2 (calc) 98%
which of the following should the RT do?
A. Decrease the flow
B. Decrease the FiO2
C. Decrease the flow and FiO2 simultaneously
D. Change to a standard nasal cannula
✓ ~~~ B. Decrease the FiO2
The lung volume data below are reported for an adult patient:
,Predicted Observed Percent
(L) (L) predicted
FVC 4.47 4.26 95%
IC 3.42 3.33 97%
IRV 2.82 2.80 99%
VT 0.60 0.53 88%
ERV 1.05 0.93 89%
These values are:
A. within normal limits
B. Suggestive of small airway disease
C. Suggestive of mild restrictive disease
D. Suggestive of severe restrictive disease
✓ ~~~ A. within normal limits
A RT is managing the ventilatory support of an intubated patient being transported in
an unpressurized aircraft at 8000ft. Which of the following is most critical to monitor
during transport?
A. Tidal Volume
B. Auto-PEEP
C. End-tidal CO2
D. Pulse oximetry
, ✓ ~~~ D. Pulse oximetry
A RT is reviewing a chart of a 60 year old male who is 178 cm( 5 ft 10in) tall. Weighs
73 kg and has moderate dyspnea. The CXR report indicates the patient has flattened
diaphragm, severe hyperinflation and small cardiothoracic ratio. The PFT results are
as follows:
FVC 2.45 L
FEV1/FVC % 48%
FEF25-75% 1.25 L.sec
FRC by helium dilution 3.75 L
RV/ TLC % 45%
DLCO 12 mL/min/mmHg
Which of the following should the RT review to further evaluate the extent air
trapping?
A. Flow-volume loop
B. Post bronchodilator therapy
C. Nitrogen washout
D. Body plethysmography
✓ ~~~ A. Flow-volume loop
