NBRC TMC PRACTICE EXAMS A AND B 2026
COMPLETE STUDY GUIDE WITH SOLUTIONS
◉ Which of the following are indications for cool, bland aerosol
therapy?
1. A cough must be induced for sputum collection
2. Mobilization of secretions must be improved
3. Postextubation inflammation of the upper airway must be treated
A. 1 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2, and 3. Answer: D. 1, 2, and 3
◉ You notice that very little mist is being produced by a nebulizer
attached to an aerosol mask. Which of the following could be
responsible for this?
1. The liter flow is too high
2. The nebulizer jet is clogged with lint
3. The filter on the capillary tube is obstructed
,A. 1 only
B. 2 only
C. 1 and 3 only
D. 2 and 3 only. Answer: D. 2 and 3 only
◉ An autoimmune compromised patient is to be placed on oxygen
with a humidity/aerosol device. Which of the following devices is
most likely to deliver contaminated water to the patient?
A. Heated cascade humidifier
B. Bubble humidifier
C. Heated wick humidifier
D. Heated jet nebulizer. Answer: D. Heated jet nebulizer
◉ To minimize an increased airway resistance produced by high-
density aerosol inhalation, the RT should recommend which of the
following?
A. Administer a bronchodilator along with the aerosol
B. Instruct the patient to breathe through the nose
C. Use a heated nebulizer to deliver the aerosol
, D. Perform chest physiotherapy after the aerosol treatment. Answer:
A. Administer a bronchodilator along with the aerosol
◉ The RT is asked to recommend a humidifier that will be able to
provide the highest water vapor content to the patient's airway.
Which of the following humidifiers should the therapist select?
A. Pass-over
B. HME
C. Heated wick
D. Bubble. Answer: C. Heated wick
◉ A heated humidifier is delivering 100% body humidity to a
patient's airway. What volume of water is being delivered?
A. 24 mg/L
B. 37 mg/L
C. 44 mg/L
D. 47 mg/L. Answer: C. 44 mg/L
◉ A patient is experiencing cardiac arrhythmias and muscle
weakness. An arterial blood gas determines that the patient is in
metabolic alkalosis. Which of the following is the most appropriate
lab value to assess at this time?
COMPLETE STUDY GUIDE WITH SOLUTIONS
◉ Which of the following are indications for cool, bland aerosol
therapy?
1. A cough must be induced for sputum collection
2. Mobilization of secretions must be improved
3. Postextubation inflammation of the upper airway must be treated
A. 1 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2, and 3. Answer: D. 1, 2, and 3
◉ You notice that very little mist is being produced by a nebulizer
attached to an aerosol mask. Which of the following could be
responsible for this?
1. The liter flow is too high
2. The nebulizer jet is clogged with lint
3. The filter on the capillary tube is obstructed
,A. 1 only
B. 2 only
C. 1 and 3 only
D. 2 and 3 only. Answer: D. 2 and 3 only
◉ An autoimmune compromised patient is to be placed on oxygen
with a humidity/aerosol device. Which of the following devices is
most likely to deliver contaminated water to the patient?
A. Heated cascade humidifier
B. Bubble humidifier
C. Heated wick humidifier
D. Heated jet nebulizer. Answer: D. Heated jet nebulizer
◉ To minimize an increased airway resistance produced by high-
density aerosol inhalation, the RT should recommend which of the
following?
A. Administer a bronchodilator along with the aerosol
B. Instruct the patient to breathe through the nose
C. Use a heated nebulizer to deliver the aerosol
, D. Perform chest physiotherapy after the aerosol treatment. Answer:
A. Administer a bronchodilator along with the aerosol
◉ The RT is asked to recommend a humidifier that will be able to
provide the highest water vapor content to the patient's airway.
Which of the following humidifiers should the therapist select?
A. Pass-over
B. HME
C. Heated wick
D. Bubble. Answer: C. Heated wick
◉ A heated humidifier is delivering 100% body humidity to a
patient's airway. What volume of water is being delivered?
A. 24 mg/L
B. 37 mg/L
C. 44 mg/L
D. 47 mg/L. Answer: C. 44 mg/L
◉ A patient is experiencing cardiac arrhythmias and muscle
weakness. An arterial blood gas determines that the patient is in
metabolic alkalosis. Which of the following is the most appropriate
lab value to assess at this time?
