Top 10 Most Challenging Topics on the NBRC-RRT Exam: What You Need to Know

RRT exam

Are you gearing up for the NBRC-RRT exam? You’re not alone in feeling the pressure. With a pass rate of only about 61%, this exam is known for its complexity and depth.

But don’t worry – we’re here to help you focus your studies on the areas that trip up most candidates.Let’s dive into the top 10 most challenging topics you’re likely to encounter on the NBRC-RRT exam.

By mastering these, you’ll be well on your way to joining the ranks of Registered Respiratory Therapists.

1. Hemodynamics

Hemodynamics is often a major hurdle for many test-takers. You’ll need to understand complex cardiovascular principles and interpret hemodynamic values accurately. Key areas to focus on include:

  • Cardiac output and its determinants
  • Preload, afterload, and contractility
  • Interpreting central venous pressure and pulmonary artery pressures

2. Advanced Mechanical Ventilation

The NBRC loves to test candidates on intricate ventilator settings and troubleshooting scenarios. Make sure you’re comfortable with:

  • Various ventilation modes (e.g., APRV, PRVC, NAVA)
  • Ventilator waveform interpretation
  • Strategies for difficult-to-wean patients

3. Arterial Blood Gas Interpretation

ABG analysis is a cornerstone of respiratory therapy, and the exam reflects this. Practice interpreting complex ABGs and understanding their implications for patient care. Don’t forget to study:

  • Acid-base disorders and compensation
  • Oxygenation status assessment
  • Ventilation adequacy evaluation

4. Pulmonary Function Testing

PFT interpretation is another area where many candidates struggle. Focus on:

  • Understanding various PFT measurements (FEV1, FVC, DLCO, etc.)
  • Recognizing obstructive vs. restrictive patterns
  • Correlating PFT results with specific respiratory conditions

5. Neonatal and Pediatric Care

Applying respiratory care principles to these specialized populations requires a deep understanding of their unique physiological needs. Key areas include:

  • Neonatal resuscitation protocols
  • Pediatric mechanical ventilation strategies
  • Congenital heart defects and their respiratory implications

6. Pharmacology

The sheer volume of medications and their effects can be overwhelming. Prioritize studying:

  • Bronchodilators and their mechanisms of action
  • Corticosteroids and their use in respiratory care
  • Sedatives and paralytics used in mechanical ventilation

7. Chest X-ray Interpretation

Being able to identify abnormalities on chest X-rays and correlate them with respiratory conditions is crucial. Practice recognizing:

  • Pneumothorax and tension pneumothorax
  • Various types of pulmonary edema
  • Proper ETT and central line placement

8. Advanced Cardiac Life Support

ACLS protocols are critical knowledge for any respiratory therapist. Ensure you’re up to date on:

  • Current AHA guidelines for ACLS
  • Rhythm recognition and appropriate interventions
  • Post-cardiac arrest care

9. Disease Management

The exam will test your ability to apply comprehensive care strategies for chronic respiratory conditions. Focus on:

  • COPD exacerbation management
  • Asthma action plans
  • Cystic fibrosis care

10. Ethics and Patient Care

Navigating complex ethical scenarios and patient care decisions can be surprisingly challenging. Study up on:

  • Patient autonomy and informed consent
  • End-of-life care decisions
  • Ethical considerations in clinical research

Want to ensure you’re fully prepared for the exam? Visit our website at RespiratoryCram.com to explore our comprehensive RRT exam prep resources.

You’ll find detailed study guides, practice questions, and expert tips designed specifically for respiratory therapy graduates. Take the next step in your preparation and get the tools you need to succeed! 

About Damon Wiseley, RRT-CPFT, B.H.S.c 10 Articles
Lead writer at Respiratory Cram RRT-CPFT B.H.S.c. Nova Southeastern University