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NBRC TMC / CRT / RRT PRACTICE ALL QUESTIONS AND 100% CORRECT ANSWERS ALREADY GRADED A+ -
LATEST UPDATE 2026-2027
1. A patient has an SpO₂ of 86% on room air. What is the FIRST action?
A. Obtain an ABG
B. Apply oxygen therapy
C. Start mechanical ventilation
D. Call the physician
Answer: B
Rationale: Hypoxemia should be treated immediately with oxygen before further diagnostics.
2. Which device delivers the MOST precise FiO₂?
A. Nasal cannula
B. Simple mask
C. Venturi mask
D. Nonrebreather mask
Answer: C
Rationale: Venturi masks use air-entrainment to deliver a fixed, precise FiO₂.
3. A normal adult tidal volume is
A. 2–4 mL/kg
B. 4–6 mL/kg
C. 6–8 mL/kg
D. 10–12 mL/kg
Answer: C
Rationale: Normal VT is approximately 6–8 mL/kg ideal body weight.
UPDATED exam 2026
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4. Which ABG indicates uncompensated respiratory acidosis?
A. pH 7.32 / PaCO₂ 55 / HCO₃⁻ 26
B. pH 7.48 / PaCO₂ 30 / HCO₃⁻ 22
C. pH 7.40 / PaCO₂ 40 / HCO₃⁻ 24
D. pH 7.30 / PaCO₂ 30 / HCO₃⁻ 18
Answer: A
Rationale: Low pH with elevated PaCO₂ and normal HCO₃⁻ = uncompensated respiratory
acidosis.
5. The MOST reliable method to confirm endotracheal tube placement is
A. Chest x-ray
B. Bilateral breath sounds
C. Capnography
D. Chest rise
Answer: C
Rationale: Continuous waveform capnography is the gold standard.
6. Which medication is a bronchodilator?
A. Albuterol
B. Budesonide
C. Acetylcysteine
D. Furosemide
Answer: A
Rationale: Albuterol is a short-acting beta-agonist bronchodilator.
7. A patient with COPD retains CO₂. Oxygen should be administered to
A. Achieve SpO₂ > 99%
B. Avoid oxygen entirely
C. Maintain SpO₂ 88–92%
D. Use 100% NRB
Answer: C
Rationale: Target saturation prevents oxygen-induced hypoventilation.
UPDATED exam 2026
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8. Which ventilator alarm requires IMMEDIATE attention?
A. Low pressure
B. High pressure
C. Low battery
D. Apnea
Answer: D
Rationale: Apnea indicates absence of ventilation and is life-threatening.
9. Normal PaO₂ on room air is
A. 60–80 mmHg
B. 80–100 mmHg
C. 100–120 mmHg
D. 40–60 mmHg
Answer: B
Rationale: Normal adult PaO₂ range is 80–100 mmHg.
10. Which condition causes a HIGH PaCO₂?
A. Hyperventilation
B. Metabolic acidosis
C. Hypoventilation
D. Pulmonary embolism
Answer: C
Rationale: Hypoventilation causes CO₂ retention.
11. A normal adult respiratory rate is
A. 8–10
B. 10–12
C. 12–20
D. 20–30
Answer: C
Rationale: Normal adult RR is 12–20 breaths/min.
UPDATED exam 2026
NBRC TMC / CRT / RRT PRACTICE ALL QUESTIONS AND 100% CORRECT ANSWERS ALREADY GRADED A+ -
LATEST UPDATE 2026-2027
1. A patient has an SpO₂ of 86% on room air. What is the FIRST action?
A. Obtain an ABG
B. Apply oxygen therapy
C. Start mechanical ventilation
D. Call the physician
Answer: B
Rationale: Hypoxemia should be treated immediately with oxygen before further diagnostics.
2. Which device delivers the MOST precise FiO₂?
A. Nasal cannula
B. Simple mask
C. Venturi mask
D. Nonrebreather mask
Answer: C
Rationale: Venturi masks use air-entrainment to deliver a fixed, precise FiO₂.
3. A normal adult tidal volume is
A. 2–4 mL/kg
B. 4–6 mL/kg
C. 6–8 mL/kg
D. 10–12 mL/kg
Answer: C
Rationale: Normal VT is approximately 6–8 mL/kg ideal body weight.
UPDATED exam 2026
,2|Page
4. Which ABG indicates uncompensated respiratory acidosis?
A. pH 7.32 / PaCO₂ 55 / HCO₃⁻ 26
B. pH 7.48 / PaCO₂ 30 / HCO₃⁻ 22
C. pH 7.40 / PaCO₂ 40 / HCO₃⁻ 24
D. pH 7.30 / PaCO₂ 30 / HCO₃⁻ 18
Answer: A
Rationale: Low pH with elevated PaCO₂ and normal HCO₃⁻ = uncompensated respiratory
acidosis.
5. The MOST reliable method to confirm endotracheal tube placement is
A. Chest x-ray
B. Bilateral breath sounds
C. Capnography
D. Chest rise
Answer: C
Rationale: Continuous waveform capnography is the gold standard.
6. Which medication is a bronchodilator?
A. Albuterol
B. Budesonide
C. Acetylcysteine
D. Furosemide
Answer: A
Rationale: Albuterol is a short-acting beta-agonist bronchodilator.
7. A patient with COPD retains CO₂. Oxygen should be administered to
A. Achieve SpO₂ > 99%
B. Avoid oxygen entirely
C. Maintain SpO₂ 88–92%
D. Use 100% NRB
Answer: C
Rationale: Target saturation prevents oxygen-induced hypoventilation.
UPDATED exam 2026
, 3|Page
8. Which ventilator alarm requires IMMEDIATE attention?
A. Low pressure
B. High pressure
C. Low battery
D. Apnea
Answer: D
Rationale: Apnea indicates absence of ventilation and is life-threatening.
9. Normal PaO₂ on room air is
A. 60–80 mmHg
B. 80–100 mmHg
C. 100–120 mmHg
D. 40–60 mmHg
Answer: B
Rationale: Normal adult PaO₂ range is 80–100 mmHg.
10. Which condition causes a HIGH PaCO₂?
A. Hyperventilation
B. Metabolic acidosis
C. Hypoventilation
D. Pulmonary embolism
Answer: C
Rationale: Hypoventilation causes CO₂ retention.
11. A normal adult respiratory rate is
A. 8–10
B. 10–12
C. 12–20
D. 20–30
Answer: C
Rationale: Normal adult RR is 12–20 breaths/min.
UPDATED exam 2026
