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NBRC Mock TMC Exam Review Latest Update Actual Exam from Credible Sources with Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
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NBRC Mock TMC
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NBRC Mock TMC
NBRC Mock TMC Exam Review Latest Update Actual Exam from Credible Sources with Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
NBRC Mock TMC Exam Review Latest Update
2024-2025 Actual Exam from Credible Sources
with Questions and Verified Correct Answers
Golden Ticket to Guaranteed A+ Verified by
Professor
A chest x-ray film obtained after intubation shows that the tip of the ET tube is resting at
the fourth rib. Which of the following actions should be taken?
A. The tube should be advanced 2 cm
B. The tube should be advanced until equal breath sounds are heard
C. The tube should remain at this level
D. The tube should be withdrawn 3 cm - CORRECT ANSWER: D. The tube should be
withdrawn 3 cm
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 - CORRECT ANSWER: C. 44 mg/L
A patient breathing 50% oxygen has a PaO2 of 248 torr. Which of the following should
the RT recommend?
A. Discontinue O2 therapy
B. Decrease the oxygen to 30%
C. Titrate oxygen to maintain an SpO2 > 93%
,D. Repeat the blood gases because the PaO2 is not possible on this FiO2. - CORRECT
ANSWER: C. Titrate oxygen to maintain an SpO2 > 93%
Explanation: A PaO2 of 250 torr is normal on 50% O2. Remember, to determine the
normal PaO2 on any given O2%, multiply the O2% by 5. This is an approximation. If
titrate was not a choice, then you would discontinue the oxygen.
A patient enters the emergency department, and on initial examination the RT observes
paradoxical chest movement. Which of the following should the therapist suspect?
A. Pulmonary edema
B. Pneumonia
C. Flail chest
D. Pleural effusion - CORRECT ANSWER: C. Flail chest
A patient has just been intubated, and the CO2 detector placed on the proximal end of
the ETT reads 1.5%. The RT should suspect which of the following?
A. The tube is in the trachea
B. The tube is in the right mainstem bronchus and should be withdrawn 4 cm
C. The tube is in the esophagus
D. The tube is at the level of the carina and should be withdrawn 2 cm - CORRECT
ANSWER: C. The tube is in the esophagus
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?
A. WBC
B. BUN
C. Plasma protein
, D. Potassium - CORRECT ANSWER: D. Potassium
A patient is receiving 30% oxygen via an air-entrainment mask at a flow of 5 L/min. The
total flow delivered by this device is which of the following?
A. 36 L/min
B. 45 L/min
C. 54 L/min
D. 60 L/min - CORRECT ANSWER: (*Use 21 with O2 % less than 40%)
(100- 30%)/ (30%-*21) = 70/9 = 8/1 or 8:1 ratio
8+1= 9
9x5 = 45 L/min
B. 45 L/min
A patient is receiving O2 from an E cylinder at 4 L/min through a nasal cannula. The
cylinder pressure is 1900 psig. How long will the cylinder run until it is empty?
A. 47 min
B. 1.7 h
C. 2.2 h
D. 3.6 h - CORRECT ANSWER: E cylinder = 0.28
1900x0.28/4 = 133/60 = 2.21
Answer: C. 2 hours, 21 minutes
A patient is suspected of suffering acute myocardial infarction. Which of the following
lab values would be increased in the patient's blood?
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