Page 1 of 107
C&S TMC EXAM 1 2026/2027 BANK COMPLETE
CURRENT TESTING QUESTION AND DETAILED
CORRECT ANSWER (VERIFIED) GUARANTEED
PASS/TOP-RATED A+.
C&S TMC
Maximize your success on the C&S TMC Exam with focused
preparation that strengthens your understanding of respiratory
care fundamentals, patient assessment, equipment usage, and
clinical decision-making. This exam resource is specifically
designed for respiratory therapy students preparing for the
NBRC Therapist Multiple-Choice (TMC) credentialing exam.
- An infant is being mechanically ventilated via a time-
cycled, pressure-limited ventilator. Which of the following
would occur if PEEP were increased without a corresponding
increase in peak pressure? ...... ANSWER ....... The tidal
volume would decrease
- A physician requests the respiratory therapist to assess the
upper airway function of a patient with a fenestrated
tracheostomy tube. The therapist should: ...... ANSWER
....... Remove the inner cannula, deflate the cuff, plug
the outer cannula
, Page 2 of 107
- A patient receiving sustained maximal inspiratory (SMI)
treatments with a volume-oriented incentive spirometer
device begins to inhale through the device 18 times per
minute. Which of the following best explains this situation?
...... ANSWER ....... The patient needs re-instruction
regarding the SMI therapy
- After initiating mechanical ventilation in the A/C mode for
an adult male patient, the respiratory therapist observes that
the patient is agitated and having difficulty in cycling the
ventilator. Which of the following should the therapist do?
...... ANSWER ....... Increase the sensitivity setting
- Data recorded for a 52 kg (110 lb) mechanically ventilated
patient who has a long standing history of chronic
hypercapnia are as follows:
Ventilator Settings Arterial Blood Gases
Mode: SIMV
pH: 7.36
VT: 400 mL
, Page 3 of 107
PaCO2: 62 mmHg
Rate: 8/min
HCO3: 34 mEq/L
FiO2: 0.35
PaO2: 61 mmHg
On the basis of this information, the respiratory therapist
should: ...... ANSWER ....... Maintain current settings
- A respiratory therapist is manually ventilating a patient
during a cardiopulmonary resuscitation attempt. An arterial
blood gas is drawn and the results are as follows:
pH: 7.27
PaCO2: 38 mmHg
HCO3: 17 mEq/L
PaO2: 44 mmHg
Based on this information, the respiratory therapist should
do which of the following? ...... ANSWER ....... Ensure that
, Page 4 of 107
the manual resuscitator is connected to an oxygen
source
- A COPD patient is brought to the ED after several days of
increasing respiratory distress. Baseline blood gases are
drawn and the patient is placed on oxygen at 2 LPM via nasal
cannula. Data from the original and a subsequent arterial
blood sample are as follows:
Room Air Sample
pH: 7.23
PaCO2: 82 mmHg
HCO3: 33 mEq/L
PaO2: 49 mmHg
2L nasal O2
pH: 7.33
PaCO2: 66 mmHg
HCO3: 34 mEq/L
PaO2: 54 mmHg
C&S TMC EXAM 1 2026/2027 BANK COMPLETE
CURRENT TESTING QUESTION AND DETAILED
CORRECT ANSWER (VERIFIED) GUARANTEED
PASS/TOP-RATED A+.
C&S TMC
Maximize your success on the C&S TMC Exam with focused
preparation that strengthens your understanding of respiratory
care fundamentals, patient assessment, equipment usage, and
clinical decision-making. This exam resource is specifically
designed for respiratory therapy students preparing for the
NBRC Therapist Multiple-Choice (TMC) credentialing exam.
- An infant is being mechanically ventilated via a time-
cycled, pressure-limited ventilator. Which of the following
would occur if PEEP were increased without a corresponding
increase in peak pressure? ...... ANSWER ....... The tidal
volume would decrease
- A physician requests the respiratory therapist to assess the
upper airway function of a patient with a fenestrated
tracheostomy tube. The therapist should: ...... ANSWER
....... Remove the inner cannula, deflate the cuff, plug
the outer cannula
, Page 2 of 107
- A patient receiving sustained maximal inspiratory (SMI)
treatments with a volume-oriented incentive spirometer
device begins to inhale through the device 18 times per
minute. Which of the following best explains this situation?
...... ANSWER ....... The patient needs re-instruction
regarding the SMI therapy
- After initiating mechanical ventilation in the A/C mode for
an adult male patient, the respiratory therapist observes that
the patient is agitated and having difficulty in cycling the
ventilator. Which of the following should the therapist do?
...... ANSWER ....... Increase the sensitivity setting
- Data recorded for a 52 kg (110 lb) mechanically ventilated
patient who has a long standing history of chronic
hypercapnia are as follows:
Ventilator Settings Arterial Blood Gases
Mode: SIMV
pH: 7.36
VT: 400 mL
, Page 3 of 107
PaCO2: 62 mmHg
Rate: 8/min
HCO3: 34 mEq/L
FiO2: 0.35
PaO2: 61 mmHg
On the basis of this information, the respiratory therapist
should: ...... ANSWER ....... Maintain current settings
- A respiratory therapist is manually ventilating a patient
during a cardiopulmonary resuscitation attempt. An arterial
blood gas is drawn and the results are as follows:
pH: 7.27
PaCO2: 38 mmHg
HCO3: 17 mEq/L
PaO2: 44 mmHg
Based on this information, the respiratory therapist should
do which of the following? ...... ANSWER ....... Ensure that
, Page 4 of 107
the manual resuscitator is connected to an oxygen
source
- A COPD patient is brought to the ED after several days of
increasing respiratory distress. Baseline blood gases are
drawn and the patient is placed on oxygen at 2 LPM via nasal
cannula. Data from the original and a subsequent arterial
blood sample are as follows:
Room Air Sample
pH: 7.23
PaCO2: 82 mmHg
HCO3: 33 mEq/L
PaO2: 49 mmHg
2L nasal O2
pH: 7.33
PaCO2: 66 mmHg
HCO3: 34 mEq/L
PaO2: 54 mmHg
