TMC Exam
Study Guide 2026/2027
Accurate Questions With Correct
Detailed Solutions || 100% Guaranteed
Pass Newest Version
Description: 200 multiple-choice questions for comprehensive revision covering
respiratory therapy, patient assessment, mechanical ventilation, pharmacology, arterial
blood gases, pulmonary function testing, and critical care. Each question includes four
options with the correct answer marked with ✅.
Keywords: TMC exam, respiratory therapy, mechanical ventilation, ABG interpretation,
patient assessment, pharmacology, pulmonary function, critical care, revision MCQs.
1. What is the normal range for arterial pH?
A. 7.25–7.35
B. 7.35–7.45 ✅
C. 7.45–7.55
D. 7.20–7.30
2. Which of the following is the primary muscle of inspiration?
A. External intercostals
B. Diaphragm ✅
C. Internal intercostals
D. Rectus abdominis
3. A patient has a PaO2 of 55 mmHg on room air. This indicates:
A. Normal oxygenation
,B. Mild hypoxemia
C. Moderate hypoxemia
D. Severe hypoxemia ✅
4. What is the normal range for PaCO2?
A. 25–35 mmHg
B. 35–45 mmHg ✅
C. 45–55 mmHg
D. 20–30 mmHg
5. Which acid-base disorder is characterized by low pH and high PaCO2?
A. Metabolic acidosis
B. Respiratory alkalosis
C. Respiratory acidosis ✅
D. Metabolic alkalosis
6. What is the normal tidal volume for an adult?
A. 100–200 mL
B. 250–350 mL
C. 5–7 mL/kg ✅
D. 10–15 mL/kg
7. Which of the following is a contraindication for nasal intubation?
A. Facial trauma ✅
B. COPD
C. Asthma
D. Pneumonia
8. What is the most common cause of upper airway obstruction?
A. Laryngospasm
B. Tongue falling back ✅
C. Foreign body
D. Epiglottitis
,9. Which oxygen delivery device provides the most accurate FiO2?
A. Nasal cannula
B. Simple mask
C. Venturi mask ✅
D. Non-rebreather mask
10. A patient with COPD should have SpO2 maintained at:
A. 95–100%
B. 88–92% ✅
C. 80–85%
D. 100%
11. What is the normal range for HCO3-?
A. 12–18 mEq/L
B. 18–22 mEq/L
C. 22–26 mEq/L ✅
D. 26–32 mEq/L
12. Which of the following indicates proper endotracheal tube placement?
A. Chest X-ray showing tip 3–5 cm above carina ✅
B. Absence of breath sounds
C. Gastric sounds on auscultation
D. Tube at 15 cm at teeth
13. What is the formula for calculating ideal body weight for males?
A. 50 + 2.3 (height in inches – 60) ✅
B. 45.5 + 2.3 (height in inches – 60)
C. 50 + 2.3 (height in cm – 60)
D. 45.5 + 2.3 (height in cm – 60)
14. Which of the following is a normal pulmonary artery wedge pressure?
A. 2–4 mmHg
B. 6–12 mmHg ✅
, C. 15–20 mmHg
D. 20–25 mmHg
15. What does the abbreviation PEEP stand for?
A. Positive End-Expiratory Pressure ✅
B. Peak Expiratory Pressure
C. Positive Expiratory Pressure
D. Partial End-Expiratory Pressure
16. Which of the following is a hazard of oxygen therapy?
A. Oxygen toxicity ✅
B. Hypercapnia
C. Hypoxemia
D. Bradycardia
17. A patient has a PaO2 of 45 mmHg and PaCO2 of 60 mmHg on room air. What
is the appropriate initial oxygen therapy?
A. Nasal cannula at 1–2 L/min ✅
B. Non-rebreather at 15 L/min
C. Simple mask at 5 L/min
D. Venturi mask at 40%
18. What is the normal respiratory rate for an adult?
A. 8–12 breaths/min
B. 12–20 breaths/min ✅
C. 20–30 breaths/min
D. 30–40 breaths/min
19. Which of the following is a sign of respiratory distress?
A. Nasal flaring ✅
B. Bradycardia
C. Hypotension
D. Decreased respiratory rate
Study Guide 2026/2027
Accurate Questions With Correct
Detailed Solutions || 100% Guaranteed
Pass Newest Version
Description: 200 multiple-choice questions for comprehensive revision covering
respiratory therapy, patient assessment, mechanical ventilation, pharmacology, arterial
blood gases, pulmonary function testing, and critical care. Each question includes four
options with the correct answer marked with ✅.
Keywords: TMC exam, respiratory therapy, mechanical ventilation, ABG interpretation,
patient assessment, pharmacology, pulmonary function, critical care, revision MCQs.
1. What is the normal range for arterial pH?
A. 7.25–7.35
B. 7.35–7.45 ✅
C. 7.45–7.55
D. 7.20–7.30
2. Which of the following is the primary muscle of inspiration?
A. External intercostals
B. Diaphragm ✅
C. Internal intercostals
D. Rectus abdominis
3. A patient has a PaO2 of 55 mmHg on room air. This indicates:
A. Normal oxygenation
,B. Mild hypoxemia
C. Moderate hypoxemia
D. Severe hypoxemia ✅
4. What is the normal range for PaCO2?
A. 25–35 mmHg
B. 35–45 mmHg ✅
C. 45–55 mmHg
D. 20–30 mmHg
5. Which acid-base disorder is characterized by low pH and high PaCO2?
A. Metabolic acidosis
B. Respiratory alkalosis
C. Respiratory acidosis ✅
D. Metabolic alkalosis
6. What is the normal tidal volume for an adult?
A. 100–200 mL
B. 250–350 mL
C. 5–7 mL/kg ✅
D. 10–15 mL/kg
7. Which of the following is a contraindication for nasal intubation?
A. Facial trauma ✅
B. COPD
C. Asthma
D. Pneumonia
8. What is the most common cause of upper airway obstruction?
A. Laryngospasm
B. Tongue falling back ✅
C. Foreign body
D. Epiglottitis
,9. Which oxygen delivery device provides the most accurate FiO2?
A. Nasal cannula
B. Simple mask
C. Venturi mask ✅
D. Non-rebreather mask
10. A patient with COPD should have SpO2 maintained at:
A. 95–100%
B. 88–92% ✅
C. 80–85%
D. 100%
11. What is the normal range for HCO3-?
A. 12–18 mEq/L
B. 18–22 mEq/L
C. 22–26 mEq/L ✅
D. 26–32 mEq/L
12. Which of the following indicates proper endotracheal tube placement?
A. Chest X-ray showing tip 3–5 cm above carina ✅
B. Absence of breath sounds
C. Gastric sounds on auscultation
D. Tube at 15 cm at teeth
13. What is the formula for calculating ideal body weight for males?
A. 50 + 2.3 (height in inches – 60) ✅
B. 45.5 + 2.3 (height in inches – 60)
C. 50 + 2.3 (height in cm – 60)
D. 45.5 + 2.3 (height in cm – 60)
14. Which of the following is a normal pulmonary artery wedge pressure?
A. 2–4 mmHg
B. 6–12 mmHg ✅
, C. 15–20 mmHg
D. 20–25 mmHg
15. What does the abbreviation PEEP stand for?
A. Positive End-Expiratory Pressure ✅
B. Peak Expiratory Pressure
C. Positive Expiratory Pressure
D. Partial End-Expiratory Pressure
16. Which of the following is a hazard of oxygen therapy?
A. Oxygen toxicity ✅
B. Hypercapnia
C. Hypoxemia
D. Bradycardia
17. A patient has a PaO2 of 45 mmHg and PaCO2 of 60 mmHg on room air. What
is the appropriate initial oxygen therapy?
A. Nasal cannula at 1–2 L/min ✅
B. Non-rebreather at 15 L/min
C. Simple mask at 5 L/min
D. Venturi mask at 40%
18. What is the normal respiratory rate for an adult?
A. 8–12 breaths/min
B. 12–20 breaths/min ✅
C. 20–30 breaths/min
D. 30–40 breaths/min
19. Which of the following is a sign of respiratory distress?
A. Nasal flaring ✅
B. Bradycardia
C. Hypotension
D. Decreased respiratory rate
