NBRC TMC / CRT / RRT Exam Latest 2025–2026 – Updated Practice Questions and Verified Answers | A+ Grade Study Set

NBRC TMC/CRT/RRT EXAM LATEST 2025-
2026 QUESTIONS AND CORRECT ANSWERS
| A+ GRADE


After a patient undergoes a thoracentesis, the respiratory therapist notes that the obtained pl
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eural fluid is clear with a slight straw color. This fluid is most likely the result of
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A. empyema.
B. congestive heart failure. i i


C. lung carcinoma. i


D. hemothorax. - ANSWER- B. congestive heart failure. i i i i i i




Which ofi the following would be most important to evaluate for a patient who is entering a smo
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king cessation program?
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A. Height
B. Smoking history i


C. Weight
D. Diet - ANSWER- B. Smoking history
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The respiratory therapist is calibrating a spirometer and checking the volume with a 3.0 liter su
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per syringe. The volumes recorded are: 2.85 L, 2.8 L, and 2.8 L. Based upon the information o
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btained which ofithe following is a correct statement?
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A. Another syringe needs to be used i i i i i


B. Spirometer is accurate i i


C. The plunger was advanced too slowly
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D. Spirometer may have a leak - ANSWER- D. Spirometer may have a leak i i i i i i i i i i i i




Which ofithe following is an indication for high frequency jet ventilation?
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A. Bronchopleural fistula i


B. Wilson Mikity syndrome i i


C. Necrotizing lesion ofi right lung i i i i


D. Centrilobular emphysema - ANSWER- A. Bronchopleural fistula i i i i i i

,A 43-year-
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old female patient has just undergone a total abdominal hysterectomy. The patient arrives in t
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he post anesthesia care unit obtunded with minimal response to painful stimulus. What treat
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ment should the respiratory therapist recommend for this patient?
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A. Initiate assisted ventilation i i


B. Insert oropharyngeal airway i i


C. Obtain positron emission tomography i i i


D. Initiate noninvasive capnography - ANSWER- B. Insert oropharyngeal airway
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A 44 week gestational age infant has just been delivered via C-
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section and is gasping, grunting, and has tachycardia and tachypnea. At one minute his Apgar
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score is 4 and at 5 minutes the score is 5. The infant is most likely suffering from
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A. transient tachypnea ofi the newborn. i i i i


B. meconium aspiration. i


C. bronchopulmonary dysplasia. i


D. apnea ofi prematurity. - ANSWER- B. meconium aspiration. i i i i i i i




What is the normal VD/VT ratio for a patient breathing room air?
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A. 5 - 15% i i


B. 20 - 40% i i


C. 45 - 55% i i


D. 65 - 75% - ANSWER- B. 20 - 40%
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A heat moisture exchanger is indicated for humidification in which ofi the following situations?
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A. Mechanical ventilation in a long-term care facility. i i i i i i


B. Transport to a tertiary care center. i i i i i


C. Patient with tenacious secretions. i i i


D. Delivery ofi aerosolized bronchodilators. - ANSWER- i i i i i


B. Transport to a tertiary care center.
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All ofi the following could cause a patient's right-hemidiaphragm to be elevated, EXCEPT
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A. right lower lobe atelectasis. i i i


B. right side hyperlucency, absent vascular markings.
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C. hepatomegaly.
D. right lower lobe consolidation with air bronchograms. - ANSWER-
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B. right side hyperlucency, absent vascular markings
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,A 64-year-
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old, 70 kg (154 lb) man with severe COPD is receiving independent (differential) lung ventilati
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on following thoracotomy and right lower lobectomy. Which ofithe following setting combinati
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ons would be most appropriate for this patient?
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A. Right lung 50 mL; left lung 650 mL i i i i i i i


B. Right lung 150 mL; left lung 550 mL i i i i i i i


C. Right lung 350 mL; left lung 350 mL i i i i i i i


D. Right lung 550 mL; left lung 150 mL - ANSWER- B. Right lung 150 mL; left lung 550 mL
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A patient in the intensive care unit has the following hemodynamic measurements:
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CVP (mm Hg) 5 PAP i i i i i


(mm Hg) 29/8 PCWP i i i i


(mm Hg) 8 BP (mm H i i i i i


g) 130/70 i


Cardiac output (L/ i i


min) 5.1 Cardiac index (L/ i i i i


min/m2) 2.7 i




What is the pulse pressure? i i i i




A. 15 mm Hg i i


B. 21 mm Hg i i


C. 60 mm Hg i i


D. 90 mm Hg - ANSWER- C. 60 mm Hg i i i i i i i i




A 2-year-
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old child with croup has been intubated for 4 days with a 4 mm ID uncuffed endotracheal tube.
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Heated aerosol at an FIO2 ofi 0.30 has been delivered to the patient. The physician asks the re
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spiratory therapist to evaluate the patient for possible extubation. Which ofithe following woul
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d most likely indicate that the patient is ready for extubation?
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A. The patient is making normal quiet ventilatory efforts.
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B. A negative sputum culture and sensitivity has been reported.
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C. The patient's ABG are within normal range.
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D. Breath sounds are heard around the tube on auscultation. - ANSWER- i i i i i i i i i i


D. Breath sounds are heard around the tube on auscultation.
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A patient is seen in the Emergency Department for complaints ofi nausea and vomiting. A nas
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ogastric tube has been inserted and the patient is started on lasix. Which ofithe following shoul
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d the respiratory therapist monitor?
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A. Cardiac enzymes i


B. Serum electrolytes i


C. Arterial blood gases i i

, D. Cell hydration level - ANSWER- B. Serum electrolytes
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While instructing a patient prior to a vital capacity maneuver, the respiratory therapist should d
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irect the patient to
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A. exhale to residual volume and inhale to inspiratory capacity. i i i i i i i i


B. inhale to total lung capacity then exhale to residual volume.i i i i i i i i i


C. exhale normally then inhale to total lung capacity. i i i i i i i


D. inhale normally then exhale to functional residual capacity. - ANSWER-
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B. inhale to total lung capacity then exhale to residual volume.
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A patient involved in an automobile accident is brought to the ED with tachypnea, tracheal dev
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iation to the right, splinting, asymmetrical chest movement, and decreased breath sounds on
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the left side. The respiratory therapist should initially
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A. insert a chest tube. i i i


B. administer 100% oxygen via mask. i i i i


C. perform endotracheal intubation. i i


D. initiate non-invasive positive pressure ventilation. - ANSWER- i i i i i i


B. administer 100% oxygen via mask.
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A 77-year-
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old male patient is admitted to the emergency room with shortness ofi breath, fine basilar crac
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kles, +2 pitting edema and a chest radiogram with a butterfly pattern.
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These results are most consistent with which ofi the following?
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A. Pulmonary edema i


B. Pulmonary interstitial emphysema i i


C. Pneumothorax
D. Emphysema - ANSWER- A. Pulmonary edema i i i i i




Which ofi the following formulas will determine the total flow being delivered to a patient with a
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28% venturi mask running at 6 L/min?
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A. total flow = 6 x 2 i i i i i


B. total flow = 6 x 4 i i i i i


C. total flow = 6 x 5 i i i i i


D. total flow = 6 x 11 - ANSWER- D. total flow = 6 x 11
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Fine crepitant crackles are most commonly associated with which ofi the following conditions
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?

A. Bronchitis
B. Pulmonary edema i


C. Pneumonia
D. Foreign body aspiration - ANSWER- B. Pulmonary edema i i i i i i i