C&S TMC 2 Test Questions with Correct Solutions Latest 2025
Prior to taking a pulmonary artery wedge pressure (PCWP) reading, the RT ensure that: -
Answers The transducer is properly leveled and zeroed
The fiberoptic bronchoscope is usually preferred device during bronchoscopy b/c its: - Answers
Flexibility
The capnogram tracing above was obtained from a mechanically ventilated pt. On the basis of
this tracing, the RT should: - Answers Check the exhalation valve
A RT is performing nasotracheal suctioning. During the procedure, the therapist occludes the
catheter's thumb port; there is no vacuum. The therapist could do all of the following EXCEPT: -
Answers Use a longer suction catheter
The primary hazard of an oropharyngeal airway device is: - Answers The patient may gag or
fight the device
While manually ventilating a pt with a bag-valve resuscitator during cardiopulmonary
resuscitation (CPR), the RT notices that the oxygen reservoir is missing. The therapist should
conclude that: - Answers The FiO2 will most likely be less than 1.0
A patient with a tracheostomy tube is producing moderate amounts of thick, tenacious sputum.
The best device for this pt would be: - Answers A heated large reservoir air-entrainment jet
nebulizer
Which of the following humidity devices is the most economical choice for use in an intubated,
mechanically ventilated pt who only needs short-term ventilation? - Answers Heat moisture
exchanger
Which of the following will alter the oxygen concentration of an
air-entrainment mask? - Answers (4) Increasing the flow setting-NO
Occluding the air-entrainment ports-YES
Altering the size of the jet orifice-YES
The respiratory therapist noticed that the CPAP pressure indicated on the low pressure monitor
is consistently less than the preset CPAP of an infant's nasal CPAP system. Which of the
following should the therapist do FIRST to correct this problem? - Answers Tighten all
connections
While the respiratory therapist is checking the oxygen setup of a pt on a 2L/min nasal cannula,
the pt complains of not being able to detect any oxygen flow from the cannula. Which of the
following actions would be appropriate? - Answers Tighten all connections
,While assessing a pt who is receiving oxygen via transtracheal catheter, the patient complains
of a persistent, nonproductive cough and tracheal irritation. The appropriate action at this time
would be what? - Answers Reposition the catheter
A 65-year old asian female has just been admitted to the ED. Through an interpreter, it is learned
that the pt is complaining of palpitations and chest discomfort. What would be indicated? -
Answers 12-lead ECG
A critically ill pt with hypovolemic shock is being monitored in the ICU. Measurement of which of
the following would indicate if tissue hypoxia is present? - Answers SVO2
A 27 year old male has been admitted to the ED after he was found unconscious in the bedroom
closet of his home following a house fire. He is currently receiving supplemental oxygen via a
non rebreather mask. An arterial blood gas sample is obtained. The values are as follows:
pH 7.22
PaCO2 45 mm Hg
PaO2 345 mm Hg
HCO3- 118 mEq/L
SaO2 100%
Which of the following would be most appropriate at this time? - Answers Analyze the blood
sample using a CO-oximeter
Which of the following would be most helpful to evaluate the effectiveness of secretion
clearance therapy? - Answers Chest x-ray
A 46 year old male is presented to the respiratory therapist clinic with complaints of cough,
night sweats, and loss of appetite. The pt has a history of IV drug abuse and hep B. The
therapist recommended? - Answers Tuberculin skin test
The PFT results of an adult female are as follows:
Measured Predicted %Predicted
FVC(L): 2.63 3.11 84
FEV1(L): 1.58 2.28 69
FEV1/FVC(%): 60 73
FEF25%-75%(L/Sec): 0.59 2.56 23
PEF (L/Sec): 4.90 5.78 85
, On the basis of these data, the correct interpretation is: - Answers Small airway obstruction
A spontaneous breathing trial (SBT) should be terminated and the pt re-evaluated if: - Answers
The SpO2 decreases by 5%
Shortly after administration of a sedative to a struggling and combative mechanically ventilated
pt, the RT noticed a significant decrease in pulmonary compliance. Which of the following could
explain the change? - Answers A pneumothorax has occurred
Following the initiation of pulmonary artery pressure monitoring for an adult male being
mechanically ventilated, the following data is recorded:
PAWP: 24 mm Hg
C(a-v)O2: 2-4 vol%
These results are most likely associated with which of the following? - Answers Hypovolemia
If the PETCO2 is 22 mm Hg and the dead space to tidal volume ratio (VD/VT) is , the resulting
PaCO2 is approximately : - Answers 45 mm Hg
Which of the following acid-base disorders would most likely be present in a pt with renal failure
who is receiving inadequate mechanical ventilation? - Answers Metabolic acidosis/respiratory
acidosis
Patients with which of the following conditions are more likely to exhibit a lower than predicted
carbon monoxide diffusing capacity (DLCO)? - Answers (1) Idiopathic Pulmonary Fibrosis- YES
COPD-YES
Anemia-YES
Pulmonary Vascular disease-YES
The results of a 12-lead ECG obtained from a 44 year old female reveal flattened T waves with
prominent U waves. The respiratory therapist should suspect: - Answers Electrolyte deficiency
Which of the following best describes the respiratory theapist response to metabolic alkalemia?
- Answers Metabolic alkalemia depresses the respiratory center, causing hypoventilation
The respiratory therapist has just suctioned blue, creamy secretions from a patient with a
tracheostomy that wears the mask intermittent tube feedings. Which of the following actions
would be appropriate? - Answers Check the integrity of the tracheostomy cuff
During a CPAP titration during sleep procedure, the pt becomes agitated and refuses to
continue to wear the mask when the CPAP is increased from 15 cm H2O ro 16 cm H2O. The
previous setting of 15 cm H2O, the patient continued to have obstructive respiratory events.
Prior to taking a pulmonary artery wedge pressure (PCWP) reading, the RT ensure that: -
Answers The transducer is properly leveled and zeroed
The fiberoptic bronchoscope is usually preferred device during bronchoscopy b/c its: - Answers
Flexibility
The capnogram tracing above was obtained from a mechanically ventilated pt. On the basis of
this tracing, the RT should: - Answers Check the exhalation valve
A RT is performing nasotracheal suctioning. During the procedure, the therapist occludes the
catheter's thumb port; there is no vacuum. The therapist could do all of the following EXCEPT: -
Answers Use a longer suction catheter
The primary hazard of an oropharyngeal airway device is: - Answers The patient may gag or
fight the device
While manually ventilating a pt with a bag-valve resuscitator during cardiopulmonary
resuscitation (CPR), the RT notices that the oxygen reservoir is missing. The therapist should
conclude that: - Answers The FiO2 will most likely be less than 1.0
A patient with a tracheostomy tube is producing moderate amounts of thick, tenacious sputum.
The best device for this pt would be: - Answers A heated large reservoir air-entrainment jet
nebulizer
Which of the following humidity devices is the most economical choice for use in an intubated,
mechanically ventilated pt who only needs short-term ventilation? - Answers Heat moisture
exchanger
Which of the following will alter the oxygen concentration of an
air-entrainment mask? - Answers (4) Increasing the flow setting-NO
Occluding the air-entrainment ports-YES
Altering the size of the jet orifice-YES
The respiratory therapist noticed that the CPAP pressure indicated on the low pressure monitor
is consistently less than the preset CPAP of an infant's nasal CPAP system. Which of the
following should the therapist do FIRST to correct this problem? - Answers Tighten all
connections
While the respiratory therapist is checking the oxygen setup of a pt on a 2L/min nasal cannula,
the pt complains of not being able to detect any oxygen flow from the cannula. Which of the
following actions would be appropriate? - Answers Tighten all connections
,While assessing a pt who is receiving oxygen via transtracheal catheter, the patient complains
of a persistent, nonproductive cough and tracheal irritation. The appropriate action at this time
would be what? - Answers Reposition the catheter
A 65-year old asian female has just been admitted to the ED. Through an interpreter, it is learned
that the pt is complaining of palpitations and chest discomfort. What would be indicated? -
Answers 12-lead ECG
A critically ill pt with hypovolemic shock is being monitored in the ICU. Measurement of which of
the following would indicate if tissue hypoxia is present? - Answers SVO2
A 27 year old male has been admitted to the ED after he was found unconscious in the bedroom
closet of his home following a house fire. He is currently receiving supplemental oxygen via a
non rebreather mask. An arterial blood gas sample is obtained. The values are as follows:
pH 7.22
PaCO2 45 mm Hg
PaO2 345 mm Hg
HCO3- 118 mEq/L
SaO2 100%
Which of the following would be most appropriate at this time? - Answers Analyze the blood
sample using a CO-oximeter
Which of the following would be most helpful to evaluate the effectiveness of secretion
clearance therapy? - Answers Chest x-ray
A 46 year old male is presented to the respiratory therapist clinic with complaints of cough,
night sweats, and loss of appetite. The pt has a history of IV drug abuse and hep B. The
therapist recommended? - Answers Tuberculin skin test
The PFT results of an adult female are as follows:
Measured Predicted %Predicted
FVC(L): 2.63 3.11 84
FEV1(L): 1.58 2.28 69
FEV1/FVC(%): 60 73
FEF25%-75%(L/Sec): 0.59 2.56 23
PEF (L/Sec): 4.90 5.78 85
, On the basis of these data, the correct interpretation is: - Answers Small airway obstruction
A spontaneous breathing trial (SBT) should be terminated and the pt re-evaluated if: - Answers
The SpO2 decreases by 5%
Shortly after administration of a sedative to a struggling and combative mechanically ventilated
pt, the RT noticed a significant decrease in pulmonary compliance. Which of the following could
explain the change? - Answers A pneumothorax has occurred
Following the initiation of pulmonary artery pressure monitoring for an adult male being
mechanically ventilated, the following data is recorded:
PAWP: 24 mm Hg
C(a-v)O2: 2-4 vol%
These results are most likely associated with which of the following? - Answers Hypovolemia
If the PETCO2 is 22 mm Hg and the dead space to tidal volume ratio (VD/VT) is , the resulting
PaCO2 is approximately : - Answers 45 mm Hg
Which of the following acid-base disorders would most likely be present in a pt with renal failure
who is receiving inadequate mechanical ventilation? - Answers Metabolic acidosis/respiratory
acidosis
Patients with which of the following conditions are more likely to exhibit a lower than predicted
carbon monoxide diffusing capacity (DLCO)? - Answers (1) Idiopathic Pulmonary Fibrosis- YES
COPD-YES
Anemia-YES
Pulmonary Vascular disease-YES
The results of a 12-lead ECG obtained from a 44 year old female reveal flattened T waves with
prominent U waves. The respiratory therapist should suspect: - Answers Electrolyte deficiency
Which of the following best describes the respiratory theapist response to metabolic alkalemia?
- Answers Metabolic alkalemia depresses the respiratory center, causing hypoventilation
The respiratory therapist has just suctioned blue, creamy secretions from a patient with a
tracheostomy that wears the mask intermittent tube feedings. Which of the following actions
would be appropriate? - Answers Check the integrity of the tracheostomy cuff
During a CPAP titration during sleep procedure, the pt becomes agitated and refuses to
continue to wear the mask when the CPAP is increased from 15 cm H2O ro 16 cm H2O. The
previous setting of 15 cm H2O, the patient continued to have obstructive respiratory events.
