[ RTLE 2 ] RESPIRATORY THERAPISTS LICENSURE EXAMINATION II

RESPIRATORY THERAPISTS LICENSURE EXAMINATION Reviewer

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

1. Which of the following arterial blood gas results indicates respiratory acidosis?

A) pH 7.30, PaCO₂ 55 mmHg
B) pH 7.45, PaCO₂ 35 mmHg
C) pH 7.50, PaCO₂ 30 mmHg
D) pH 7.35, PaCO₂ 40 mmHg

2. What does the Hering-Breuer reflex prevent?

A) Bronchoconstriction
B) Lung overinflation
C) Alveolar collapse
D) Carbon dioxide retention

3. What is the normal range for adult tidal volume?

A) 100–200 mL
B) 300–400 mL
C) 400–600 mL
D) 600–800 mL

4. Which medication is commonly used as a mucolytic agent?

A) Acetylcysteine
B) Albuterol
C) Ipratropium
D) Theophylline

5. Which ventilator setting controls the oxygen concentration delivered?

A) PEEP
B) Tidal Volume
C) FiO₂
D) I:E ratio

6. What is the function of surfactant in the alveoli?

A) Enhance mucus production
B) Facilitate gas diffusion
C) Reduce surface tension
D) Prevent ciliary damage

7. Which parameter best reflects the oxygen-carrying capacity of blood?

A) PaO₂
B) Hemoglobin
C) HCO₃⁻
D) pH

8. Which of the following is a common sign of hypoxemia?

A) Bradycardia
B) Hypertension
C) Cyanosis
D) Dehydration

9. Which test measures peak expiratory flow rate?

A) Peak Flow Meter
B) Spirometer
C) Pulse oximeter
D) ABG analyzer

10. Which of the following is a contraindication for postural drainage?

A) COPD
B) Bronchiectasis
C) Cystic fibrosis
D) Unstable spinal cord injury

11. What is the primary stimulus for respiration in a healthy individual?

A) Low oxygen levels
B) High carbon dioxide levels
C) pH increase
D) Temperature rise

12. Which type of lung volume is measured after a maximal exhalation?

A) Tidal volume
B) Inspiratory reserve volume
C) Expiratory reserve volume
D) Residual volume

13. What is the anatomical dead space of an average adult?

A) 150 mL
B) 350 mL
C) 500 mL
D) 700 mL

14. Which of the following best describes emphysema?

A) Restriction of airflow during inspiration
B) Destruction of alveolar walls and air trapping
C) Increased mucus secretion in upper airway
D) Fluid accumulation in pleural space

15. A high-pitched wheezing sound during expiration suggests which condition?

A) Pneumonia
B) Pulmonary edema
C) Asthma
D) Pleural effusion

16. Which oxygen delivery device delivers the most precise FiO₂?

A) Simple face mask
B) Nasal cannula
C) Venturi mask
D) Non-rebreather mask

17. Which of the following is a long-acting beta-agonist (LABA)?

A) Albuterol
B) Salmeterol
C) Epinephrine
D) Ipratropium

18. What is the normal pH range of arterial blood?

A) 6.8–7.2
B) 7.35–7.45
C) 7.50–7.60
D) 7.00–7.10

19. Which value indicates hypercapnia in an ABG result?

A) PaCO₂ 35 mmHg
B) PaCO₂ 50 mmHg
C) PaO₂ 90 mmHg
D) HCO₃⁻ 22 mEq/L

20. What is the primary purpose of chest physiotherapy?

A) Improve oxygen uptake
B) Reduce inflammation
C) Mobilize secretions
D) Prevent fibrosis

21. What condition is characterized by collapsed alveoli?

A) Pulmonary embolism
B) Pneumothorax
C) Atelectasis
D) Emphysema

22. Which lung sound is associated with fluid in the alveoli?

A) Wheezes
B) Rhonchi
C) Crackles
D) Pleural rub

23. Which of the following drugs is a corticosteroid?

A) Ipratropium
B) Albuterol
C) Budesonide
D) Theophylline

24. What is the effect of high PEEP on the cardiovascular system?

A) Increases venous return
B) Decreases cardiac output
C) Enhances perfusion
D) Raises blood pressure

25. Which airway clearance technique uses positive pressure during exhalation?

A) Chest percussion
B) PEP therapy
C) Incentive spirometry
D) Postural drainage

26. What is the purpose of the inspiratory hold on a ventilator?

A) Assess plateau pressure
B) Increase oxygenation
C) Prevent atelectasis
D) Lower CO₂

27. What device delivers aerosolized medication via mouthpiece or mask?

A) Oxygen concentrator
B) Nebulizer
C) CPAP
D) Venturi system

28. What is the role of the diaphragm during inspiration?

A) Contracts and moves downward
B) Relaxes and moves upward
C) Remains static
D) Closes off the trachea

29. What does a high respiratory rate with shallow breaths suggest?

A) Hyperventilation
B) Normal breathing
C) Hypoventilation
D) Kussmaul breathing

30. Which blood component transports most of the oxygen?

A) Plasma
B) Hemoglobin
C) Leukocytes
D) Platelets

Result

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