NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
1. A patient's sputum is purulent, green in appearance, has separated into layers,
and has a foul odor. What is the most likely cause?
A. Aspiration
B. Tuberculosis
C. Emphysema
D. Bronchiectasis - ANSWER---D. Bronchiectasis
2. A patient in the ICU complains of light headedness, nausea, and chest pains.
The patient is diaphoretic and has a blood pressure of 90/60mmHg. What should
the RT recommend?
A. Lidocaine HCl
B. Cardioversion
C. Defibrillation
D. Epinephrine - ANSWER---B. Cardioversion
3. A patient with Guillain-Barre syndrome has a vital capacity of 625mL. An RT
should recommend which of the following be performed FIRST?
A. MIP evaluation
B. Edrophonium Chloride (Tensilon) test
C. MVV test
D. EMG and nerve conduction study - ANSWER---A. MIP
,NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
4. Which of the following beside pulmonary function testing results for a patient
with multiple sclerosis most strongly indicates the need for ventilatory
assistance?
A. 5% decrease in peak expiratory flow
B. FEV1/FVC 85%
C. MIP of -23cmH2O
D. Vital Capacity of 5 mL/kg - ANSWER---D. Vital capacity of 5mL/kg
5. A 23-year-old patient is in moderate respiratory distress while receiving
oxygen.
ABG=7.42/ 31/ 38/ 20/ -3/ 71%
How should these results be interpreted? - ANSWER---Chronic Respiratory
Alkalosis with severe hypoxemia
6. What is the patient's TLC?
Vital Capacity= 3.6L
FRC= 6.0 L
ERV = 1.0 - ANSWER---8.6
7. A COPD patient becomes hypotensive following a drug overdose. Following
intubation VC A/C ventilation should be initiated with which of the following
oxygen concentrations?
,NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
A. 0.21
B. 0.50
C. 0.70
D. 1.0 - ANSWER---D. 1.0
8. A patient has been receiving VC ventilation for 24 hours. A respiratory therapist
is called to the bedside because the high pressure alarm is sounding with each
breath. What should the RT do first? - ANSWER---Manually ventilate the patient
9. Just prior to removing the endotracheal tube, a respiratory therapist should do
what? - ANSWER---Deflate the cuff
10. While preparing to assist with a chest tube insertion , an RT learns that
pleurodesis will follow. What equipment would the RT provide? - ANSWER---
Hemostat and 3-way stopcock
11. What is the formula for dynamic compliance? - ANSWER---VT/ (PIP-PEEP)
12. A 52-year-old patient with newly diagnosed OSA undergoes a CPAP titration
study. With a CPAP of 12cm H2O, the AHI is 3 and the lowest observed oxygen
saturation is 90%. The patient continues to snore, what should the RT do? -
ANSWER---Increase the CPAP level
13. What is the target FiO2 range of nasal cannula in a patient with normal minute
ventilation? - ANSWER---0.24-0.40
, NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
14. An RT is called to the ED to assist with the intubation of an alert, agitated
patient in respiratory failure. 2 intubation attempts were unsuccessful. In addition
to a neuromuscular blockade, which of the following drugs will best facilitate
intubation?
A. Propranolol HCl (Inderal)
B. Midazolam HCl (Versed)
C. Amlodipine (Norvasc)
D. Nitroprusside Sodium - ANSWER---B. Midazolam HCl (Versed)
15. A 14 year old male who is 163cm /5ft4in tall and weighs 51kg/112lbs is
brought to the ED for suspected drug overdose. He is intubated receiving VC AC
ventilation.
Mandatory Rate: 14
Tidal Volume: 300mL
Inspiratory Flow: 20L/min
Pressure limit: 50cm H2O
The physician wants the RT to adjust the I:E from 1:1.2 to 1:3
What should the RT increase? - ANSWER---The inspiratory flow
with Rationales Therapist Multiple Choice Practice Test
Bank
1. A patient's sputum is purulent, green in appearance, has separated into layers,
and has a foul odor. What is the most likely cause?
A. Aspiration
B. Tuberculosis
C. Emphysema
D. Bronchiectasis - ANSWER---D. Bronchiectasis
2. A patient in the ICU complains of light headedness, nausea, and chest pains.
The patient is diaphoretic and has a blood pressure of 90/60mmHg. What should
the RT recommend?
A. Lidocaine HCl
B. Cardioversion
C. Defibrillation
D. Epinephrine - ANSWER---B. Cardioversion
3. A patient with Guillain-Barre syndrome has a vital capacity of 625mL. An RT
should recommend which of the following be performed FIRST?
A. MIP evaluation
B. Edrophonium Chloride (Tensilon) test
C. MVV test
D. EMG and nerve conduction study - ANSWER---A. MIP
,NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
4. Which of the following beside pulmonary function testing results for a patient
with multiple sclerosis most strongly indicates the need for ventilatory
assistance?
A. 5% decrease in peak expiratory flow
B. FEV1/FVC 85%
C. MIP of -23cmH2O
D. Vital Capacity of 5 mL/kg - ANSWER---D. Vital capacity of 5mL/kg
5. A 23-year-old patient is in moderate respiratory distress while receiving
oxygen.
ABG=7.42/ 31/ 38/ 20/ -3/ 71%
How should these results be interpreted? - ANSWER---Chronic Respiratory
Alkalosis with severe hypoxemia
6. What is the patient's TLC?
Vital Capacity= 3.6L
FRC= 6.0 L
ERV = 1.0 - ANSWER---8.6
7. A COPD patient becomes hypotensive following a drug overdose. Following
intubation VC A/C ventilation should be initiated with which of the following
oxygen concentrations?
,NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
A. 0.21
B. 0.50
C. 0.70
D. 1.0 - ANSWER---D. 1.0
8. A patient has been receiving VC ventilation for 24 hours. A respiratory therapist
is called to the bedside because the high pressure alarm is sounding with each
breath. What should the RT do first? - ANSWER---Manually ventilate the patient
9. Just prior to removing the endotracheal tube, a respiratory therapist should do
what? - ANSWER---Deflate the cuff
10. While preparing to assist with a chest tube insertion , an RT learns that
pleurodesis will follow. What equipment would the RT provide? - ANSWER---
Hemostat and 3-way stopcock
11. What is the formula for dynamic compliance? - ANSWER---VT/ (PIP-PEEP)
12. A 52-year-old patient with newly diagnosed OSA undergoes a CPAP titration
study. With a CPAP of 12cm H2O, the AHI is 3 and the lowest observed oxygen
saturation is 90%. The patient continues to snore, what should the RT do? -
ANSWER---Increase the CPAP level
13. What is the target FiO2 range of nasal cannula in a patient with normal minute
ventilation? - ANSWER---0.24-0.40
, NBRC TMC Exam Prep 2026 300+ Questions &Answers
with Rationales Therapist Multiple Choice Practice Test
Bank
14. An RT is called to the ED to assist with the intubation of an alert, agitated
patient in respiratory failure. 2 intubation attempts were unsuccessful. In addition
to a neuromuscular blockade, which of the following drugs will best facilitate
intubation?
A. Propranolol HCl (Inderal)
B. Midazolam HCl (Versed)
C. Amlodipine (Norvasc)
D. Nitroprusside Sodium - ANSWER---B. Midazolam HCl (Versed)
15. A 14 year old male who is 163cm /5ft4in tall and weighs 51kg/112lbs is
brought to the ED for suspected drug overdose. He is intubated receiving VC AC
ventilation.
Mandatory Rate: 14
Tidal Volume: 300mL
Inspiratory Flow: 20L/min
Pressure limit: 50cm H2O
The physician wants the RT to adjust the I:E from 1:1.2 to 1:3
What should the RT increase? - ANSWER---The inspiratory flow
