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RNCB CRN (CRN) Practice Tests & Test Prep by Exam Edge - Topics


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Understanding what is on the RNCB CRN 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 studing the correct information.

  • Directs your study efforts toward the most relevant areas.
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  • 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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RNCB Certified Radiology Nurse Exam Blueprint

Understanding the exact breakdown of the RNCB Certified Radiology Nurse test will help you know what to expect and how to most effectively prepare. The RNCB Certified Radiology Nurse has 150 multiple-choice questions The exam will be broken down into the sections below:

RNCB Certified Radiology Nurse Exam Blueprint
Domain Name % Number of
Questions
Assess patient and plan care 25% 38
Administer, monitor, and evaluate therapeutic interventions 25% 38
Teach patient and family/Provide a supportive environment 17% 26
Provide a safe environment/Manage emergency situations 25% 38
Participate in QA/CQI, interdisciplinary activities, and professional practice activities 8% 12

RNCB Certified Radiology Nurse - Exam Topics Sample Questions

A common type of filter inserted into the inferior vena cava when a patient has deep venous thrombosis and has a hemorrhagic stroke is:

Correct Answer:
metal greenfield filters


the correct answer to the question about the common type of filter used in the inferior vena cava for patients with deep venous thrombosis who also have a hemorrhagic stroke is the metal greenfield filter. these filters are specifically designed to prevent the migration of blood clots from the lower parts of the body to the lungs, which could lead to a life-threatening condition known as pulmonary embolism.

metal greenfield filters are typically used in situations where traditional anticoagulant therapy is contraindicated. for example, a patient who has experienced a hemorrhagic stroke cannot be given anticoagulants because these drugs could exacerbate bleeding and lead to further complications. similarly, patients with conditions like active gastrointestinal bleeding or those who have demonstrated low compliance with medication regimes might also be candidates for the placement of an ivc filter.

the placement of a metal greenfield filter involves a minimally invasive procedure where the filter is inserted into the inferior vena cava through a small incision in the groin or neck. the filter works by trapping large clot fragments and preventing them from traveling to the lungs while still allowing blood to flow around the trapped clot.

it is important to note that while metal greenfield filters are useful in preventing pulmonary embolism in high-risk patients, they are not without risks. complications can include filter migration, filter fracture, and the potential for causing new blood clots at the site of implantation. therefore, the decision to place an ivc filter must always be made after careful consideration of the potential benefits and risks.

in conclusion, metal greenfield filters are a critical intervention for patients with deep venous thrombosis who cannot undergo anticoagulation therapy and are at risk of pulmonary embolism. their use, however, requires careful patient selection and monitoring to ensure safety and efficacy.

Which of the following is not generally a side effect of Fentanyl?

Correct Answer:
rapid heart rate.


the question asks which of the listed options is not generally a side effect of fentanyl. to answer this, we need to understand what fentanyl is and its typical side effects. fentanyl is a potent synthetic opioid used primarily for pain management, particularly in cases of severe pain where other treatments might not be effective. it works by binding to opioid receptors in the brain and spinal cord, which helps to reduce the sensation of pain and can also affect the emotional response to pain.

fentanyl can be administered in various forms including pills, injections, skin patches, nasal sprays, intravenous (iv) solutions, or as an oral film that dissolves in the mouth. its use must always be supervised by a healthcare provider due to its potency and potential for addiction and overdose.

common side effects of fentanyl include drowsiness, dry mouth, difficulty urinating, difficulty breathing, euphoria, lightheadedness, constipation, weakness, and fatigue. these side effects arise from the way fentanyl interacts with the body’s opioid receptors, not only reducing pain but also affecting other physiological functions.

among the options listed: - constipation is a well-known side effect of many opioids, including fentanyl, due to their effect of slowing down the gastrointestinal tract. - difficulty breathing, or respiratory depression, is one of the most serious side effects of all opioids, including fentanyl, and is a major risk factor in opioid overdoses. - euphoria is another common side effect due to the way opioids interact with the brain's reward systems.

rapid heart rate, however, is not typically a side effect associated with fentanyl. opioids like fentanyl can sometimes lead to a slowing of the heart rate (bradycardia), rather than an increase. therefore, among the options given, "rapid heart rate" is not generally a side effect of fentanyl and is the correct answer to the question.
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