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NBRC Certified Respiratory Therapist Practice Tests & Test Prep by Exam Edge - Topics



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Understanding what is on the NBRC CRT exam is crucial step in preparing for the exam. You will need to have an understanding of the testing domain (topics covered) to be sure you are studying the correct information.

  • Directs your study efforts toward the most relevant areas.
  • Ensures efficient and adequate preparation.
  • Helps identify strengths and weaknesses.
  • Allows for a focused approach to address gaps in understanding.
  • Aligns your preparation with the exam's expectations.
  • Increases the likelihood of success.
  • Keeps you informed about your field's current demands and standards.
There is no doubt that this is a strategic step in achieving certification and advancing your career.

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Understanding the exact breakdown of the NBRC Certified Respiratory Therapist test will help you know what to expect and how to most effectively prepare. The NBRC Certified Respiratory Therapist has 140 multiple-choice questions The exam will be broken down into the sections below:

NBRC Certified Respiratory Therapist Exam Blueprint
Domain Name % Number of
Questions
PATIENT DATA 35% 49
     Evaluate Data in the Patient Record
     Perform Clinical Assessment
     Perform Procedures to Gather Clinical Information
     Evaluate Procedure Results
     Recommend Diagnostic Procedures
TROUBLESHOOTING AND QUALITY CONTROL OF DEVICES, AND INFECTION CONTROL 15% 21
     Assemble / Troubleshoot Devices
     Ensure Infection Prevention
INITIATION AND MODIFICATION OF INTERVENTIONS 50% 70
     Maintain a Patent Airway Including the Care of Artificial Airways
     Perform Airway Clearance and Lung Expansion Techniques
     Support Oxygenation and Ventilation
     Administer Medications and Specialty Gases
     Ensure Modifications are Made to the Respiratory Care Plan
     Utilize Evidence-Based Practice
     Provide Respiratory Care in High-Risk Situations
     Assist a Physician / Provider in Performing Procedures
     Conduct Patient and Family Education


NBRC Certified Respiratory Therapist - Exam Topics Sample Questions

You must calculate the duration of flow of oxygen for a patient who is going home. He is receiving oxygen from a nasal cannula at 4 L/min. The pressure gage on the cylinder reads 2000 psi. the cylinder factor is 0.28 L/psi. What is the duration of the flow?





Correct Answer:
140 minutes
to determine the duration of oxygen flow for a patient using a nasal cannula, it's essential to understand how to calculate the total available volume of oxygen in the cylinder and how quickly that volume will be depleted based on the flow rate prescribed. here is a step-by-step explanation:

**step 1: calculate the total volume of oxygen in the cylinder** the total volume of oxygen available in the cylinder can be calculated by multiplying the pressure in the cylinder by the cylinder factor. the cylinder factor, which is given as 0.28 l/psi, represents the volume of oxygen (in liters) that is released for each psi of pressure in the cylinder. in this scenario, the cylinder pressure is 2000 psi. therefore, the total volume of oxygen in the cylinder is: \[ \text{total volume} = \text{pressure} \times \text{cylinder factor} = 2000 \, \text{psi} \times 0.28 \, \text{l/psi} = 560 \, \text{l} \]

**step 2: calculate the duration of oxygen flow** the duration of flow is the total time the oxygen in the cylinder can last at a given flow rate. here, the flow rate is 4 l/min, prescribed through a nasal cannula. to find the duration, divide the total volume of oxygen by the flow rate: \[ \text{duration} = \frac{\text{total volume}}{\text{flow rate}} = \frac{560 \, \text{l}}{4 \, \text{l/min}} = 140 \, \text{minutes} \]

**conclusion** the duration of the oxygen flow, based on a cylinder pressure of 2000 psi and a flow rate of 4 l/min with a cylinder factor of 0.28 l/psi, is 140 minutes. this calculation is critical for ensuring that the patient has enough oxygen for the required period without running out unexpectedly.