{"id":20834,"date":"2016-02-03T17:58:33","date_gmt":"2016-02-03T17:58:33","guid":{"rendered":"http:\/\/www.mometrix.com\/academy?page_id=20834"},"modified":"2026-03-14T16:38:21","modified_gmt":"2026-03-14T21:38:21","slug":"cdn-practice-test","status":"publish","type":"page","link":"https:\/\/www.mometrix.com\/academy\/cdn-practice-test\/","title":{"rendered":"CDN<sup>\u00ae<\/sup> Practice Test"},"content":{"rendered":"<p>The Nephrology Nursing Certification Commission (NNCC) administers the CDN<sup>\u00ae<\/sup> certification exam to provide registered nurses with an opportunity to demonstrate their expertise and skills, as well as advance in their careers.<\/p>\n<p>Click \u201cStart Test\u201d above to take a free CDN practice test!<\/p>\n<div class=\"buttonlinks\">\n<a href=\"https:\/\/www.mometrix.com\/university\/cdn\/\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Course Button', 'Course Click', 'CDN Course Click']);\">CDN Online Course<\/a><br \/>\n<a href=\"https:\/\/www.mometrix.com\/studyguides\/cdn\/\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Guide Button', 'Guide Click', 'CDN Guide Click']);\">CDN Study Guide<\/a><br \/>\n<a href=\"https:\/\/www.flashcardsecrets.com\/cdn\/\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Flashcard Button', 'Flashcard Button Click', 'CDN Flashcard Click']);\">CDN Flashcards<\/a>\n<\/div>\n<h2 class=\"pt-page\"><span id=\"CDN_Exam_Eligibility\" class=\"m-toc-anchor\"><\/span>CDN Exam Eligibility<\/h2>\n<p>To be eligible for the exam, you must be a registered nurse with at least 2,000 hours of experience related to nephrology, specifically caring for dialysis patients. You must also have completed at least 20 contact hours of approved continuing education, specifically in nephrology nursing, within the last two years.<\/p>\n<h2 class=\"pt-page\"><span id=\"CDN_Exam_Outline\" class=\"m-toc-anchor\"><\/span>CDN Exam Outline<\/h2>\n<p>The CDN exam contains 150 multiple-choice questions and has a time limit of 3 hours.<\/p>\n<p>The exam contains two dimensions: content areas and objective areas. Each question on the exam belongs to one content area and one objective area.<\/p>\n<h4><span id=\"Content_Areas\" class=\"m-toc-anchor\"><\/span>Content Areas<\/h4>\n<p><a href=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/04\/CDN-Exam-Outline-01.png\"><img decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/04\/CDN-Outline-01.svg\" alt=\"exam outline for the CDN exam, which contains 150 multiple-choice questions and has a time limit of 3 hours\" width=\"435.85\" height=\"262.2\" class=\"aligncenter size-full wp-image-173912\" role=\"img\" \/><\/a><\/p>\n<h4><span id=\"Objective_Areas\" class=\"m-toc-anchor\"><\/span>Objective Areas<\/h4>\n<table class=\"ATable\" style=\"margin: auto;width: 100%\">\n<thead>\n<tr>\n<th style=\"vertical-align: middle\">Objective<\/th>\n<th>Percentage of Questions<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\">1. Recognize pathologic processes and complications that occur with kidney disease and\/or treatment modalities.<\/td>\n<td>18%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">2. Select interventions appropriate to the pathologic processes and complications that occur with kidney disease and\/or treatment modalities.<\/td>\n<td>19%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">3. Apply physiologic and technical principles of kidney replacement therapies.<\/td>\n<td>18%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">4. Select appropriate teaching\/learning strategies to educate client, family, other health professionals, and the public.<\/td>\n<td>10%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">5. Select appropriate actions in administering medication(s) to the patient being treated for kidney disease.<\/td>\n<td>12%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">6. Recognize the importance of an interdisciplinary approach to promote optimum functioning across the continuum of care.<\/td>\n<td>6%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">7. Select interventions appropriate to the psychological and sociocultural effects of kidney disease.<\/td>\n<td>3%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">8. Apply principles of infection control.<\/td>\n<td>12%<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\">9. Recognize the importance of professional nursing practice in promoting patient outcomes.<\/td>\n<td>2%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n\n\t\t\t<div class=\"sg-box\">\n\t\t\t\t<div class=\"sg-box-text\">\n\t\t\t\t\t<p class=\"sg-box-title\">Check out Mometrix's Certified Dialysis Nurse Study Guide<\/p>\n\t\t\t\t\t<p>Get practice questions, video tutorials, and detailed study lessons<\/p>\n\t\t\t\t\t<a class=\"sg-box-button\" href=\"https:\/\/www.mometrix.com\/studyguides\/cdn\/\" target=\"_blank\" rel=\"noopener\">Get Your Study Guide<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<a href=\"https:\/\/www.mometrix.com\/studyguides\/cdn\/\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"184\" height=\"238\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/cdn.jpg\" alt=\" Study Guide\">\n\t\t\t\t<\/a>\n\t\t\t<\/div>\n<h2 class=\"pt-page\"><span id=\"CDN_Exam_Registration\" class=\"m-toc-anchor\"><\/span>CDN Exam Registration<\/h2>\n<p>To register for the CDN exam, you must fill out an application and mail it to the Nephrology Nursing Certification Commission (NNCC), along with the examination fee ($350).<\/p>\n<p>Once your application is approved, you will receive further information on how to schedule your exam date.<\/p>\n<h2 class=\"pt-page\"><span id=\"Test_Day\" class=\"m-toc-anchor\"><\/span>Test Day<\/h2>\n<p>On exam day, you should arrive at the testing center 15-30 minutes before the scheduled appointment. Upon arrival, you must sign in and present a valid form of photo ID to the proctor. After that, you will be photographed and asked to sign a roster and other rule forms.<\/p>\n<p>Any personal items will need to be stored in a secure locker in the testing center. This includes your cell phone, wallet, and keys.<\/p>\n<p>Once all of your personal items are stored, you will be led to the testing area and given a brief set of instructions before starting the exam.<\/p>\n<h2 class=\"pt-page\"><span id=\"How_the_CDN_Exam_is_Scored\" class=\"m-toc-anchor\"><\/span>How the CDN Exam is Scored<\/h2>\n<p>A group of NNCC subject matter experts determines the passing score for the CDN test. The panel evaluates the standards necessary to find sufficient candidates for the role. Therefore, the test results are evaluated against a predetermined benchmark.<\/p>\n<p>Your score report will be provided to you at the end of the exam. To pass the CDN exam, you must get a final score of at least 95.<\/p>\n<h2 class=\"pt-page\"><span id=\"Retaking_the_CDN_Exam\" class=\"m-toc-anchor\"><\/span>Retaking the CDN Exam<\/h2>\n<p>If you fail the CDN exam, you may retake it one time within one year, and you must pay a $200 retake fee.<\/p>\n<h2 id=\"CDNCourse\" class=\"pt-page\"><span id=\"CDN_Online_Prep_Course\" class=\"m-toc-anchor\"><\/span>CDN Online Prep Course<\/h2>\n<p>If you want to be fully prepared, Mometrix offers an <strong>online CDN prep course<\/strong> designed to give you everything you need to succeed!<\/p>\n<p>Here&#8217;s what you&#8217;ll find in the CDN course:<\/p>\n<div class=\"mocblurb\">\n<ul>\n<li class=\"moclessons\"><\/li>\n<li class=\"mocpqs\"><\/li>\n<li class=\"mocflash\"><\/li>\n<li class=\"mocmoney\"><\/li>\n<li class=\"mocmobile\"><\/li>\n<\/ul>\n<\/div>\n<p>Everyone learns differently, so we&#8217;ve tailored the CDN online prep course to ensure every learner has what they need to prepare for the CDN exam.<\/p>\n<p>Click below to check it out!<\/p>\n<div style=\"text-align: center\">\n<a href=\"https:\/\/www.mometrix.com\/university\/cdn\/?utm_source=academy&amp;utm_medium=button&amp;utm_campaign=academy-mu-ads&amp;utm_content=cdn\" class=\"class_names\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Course Button', 'Course Click', 'CDN Course Click']);\"><button class=\"buttontranscript\">Start Your CDN Online Course<\/button><\/a><\/div>\n<p>&nbsp;<br \/>\n<a href=\"https:\/\/www.mometrix.com\/university\/cdn\/\" class=\"mobile-ad\" style=\"color:black;\" onclick=\"_paq.push(['trackEvent', 'Mobile Ad', 'Mobile Click', 'CDN Mobile Click']);\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/03\/CDN-Mobile-Ad.webp\" alt=\"20% off coupon for the CDN online course.\" width=\"353\" height=\"354\"><\/a><\/p>\n\n\t\t\t<div class=\"sg-box\">\n\t\t\t\t<div class=\"sg-box-text\">\n\t\t\t\t\t<p class=\"sg-box-title\">Check out Mometrix's Certified Dialysis Nurse Flashcards<\/p>\n\t\t\t\t\t<p>Get complex  subjects broken down into easily understandable concepts<\/p>\n\t\t\t\t\t<a class=\"sg-box-button blue-button\" href=\"https:\/\/www.flashcardsecrets.com\/cdn\/\" target=\"_blank\" rel=\"noopener\">Get Your Flashcards<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<a href=\"https:\/\/www.flashcardsecrets.com\/cdn\/\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"238\" height=\"184\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2025\/09\/cdnflash.jpg\" alt=\" Flashcards\">\n\t\t\t\t<\/a>\n\t\t\t<\/div>\n<h2 class=\"pt-page\"><span id=\"FAQs\" class=\"m-toc-anchor\"><\/span>FAQs<\/h2>\n<div class=\"faq-list\">\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">How many questions are on the CDN exam?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>There are 150 multiple-choice questions on the exam.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">How long is the CDN exam?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>The time limit for the exam is 3 hours.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">What is the passing score for the CDN exam?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>To pass the exam, you must get a final score of 95 or higher.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"qa_wrap\">\n<div class=\"q_item text_bold\">\n<h4 class=\"letter\">Q<\/h4>\n<p style=\"line-height: unset;\">How much does the CDN exam cost?<\/p>\n<\/p><\/div>\n<div class=\"a_item\">\n<h4 class=\"letter text_bold\">A<\/h4>\n<p>The examination fee is $350.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n\n<p><div itemscope=\"\" itemprop=\"author\" itemtype=\"http:\/\/schema.org\/Person\" class=\"author-bio\"><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"author-image\" height=\"127\" width=\"127\" alt=\"Headshot of Kate Nockunas.\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2022\/06\/tinywow_tinywow_Kate-Nockunas-Cropped-min_24640345_24640389.webp\"><div class=\"author-text\"><p class=\"author-name\">By <span itemprop=\"name\">Kate Nockunas<\/span><\/p><div class=\"author-desc\"><p>Kate has been Mometrix\u2019s Nursing and Medical Editor for over four years. She has a bachelor\u2019s degree in Communications from Vanderbilt University, a bachelor\u2019s degree in Nursing from Marymount University, and a master\u2019s degree in Education from Johns Hopkins. Kate is a critical care registered nurse who still works occasionally in the ICU and PACU.<\/p>\n<\/div><\/div><\/div><div itemscope=\"\" itemprop=\"editor\" itemtype=\"http:\/\/schema.org\/Person\" class=\"author-bio\"><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"author-image\" height=\"127\" width=\"127\" alt=\"Aaron Lanni profile pic\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/12\/image_2024-12-11_124906662.png\"><div class=\"author-text\"><p class=\"author-name\">Edited by <span itemprop=\"name\">Aaron Lanni<\/span><\/p><div class=\"author-desc\"><p>Aaron is the content manager and lead editor for Mometrix Academy. He regularly produces, updates, proofreads, and edits content to ensure it meets Mometrix\u2019s quality and accessibility standards.<\/p>\n<\/div><p class=\"alignright author-desc author-link\"><a class=\"ylist\" href=\"https:\/\/www.mometrix.com\/academy\/editorial-guidelines\/\">Learn more about our editorial guidelines<\/a> \u2192<\/p><\/div><\/div><\/p>\n<div class=\"home-buttons\">\n<p><a href=\"https:\/\/www.mometrix.com\/academy\/nursing-certification\/\">Nursing Certifications &#8211; Home<\/a><\/p>\n<\/div>\n<p class=\"disclaimer\">CDN is a registered trademark of Nephrology Nursing Certification Commission, Inc., which is not affiliated with Mometrix Test Preparation and does not endorse this page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Nephrology Nursing Certification Commission (NNCC) administers the CDN\u00ae certification exam to provide registered nurses with an opportunity to demonstrate their expertise and skills, as well as advance in their careers. Click \u201cStart Test\u201d above to take a free CDN practice test! CDN Exam Eligibility To be eligible for the exam, you must be a &#8230; <a title=\"CDN\u00ae Practice Test\" class=\"read-more\" href=\"https:\/\/www.mometrix.com\/academy\/cdn-practice-test\/\" aria-label=\"Read more about CDN\u00ae Practice Test\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":271849,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":{"0":"post-20834","1":"page","2":"type-page","3":"status-publish","4":"has-post-thumbnail","6":"page_category-cdn-pages","7":"page_category-nursing-certifications","8":"page_type-exam-overview","9":"page_domain-certified-dialysis-nurse"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages\/20834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/comments?post=20834"}],"version-history":[{"count":9,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages\/20834\/revisions"}],"predecessor-version":[{"id":289864,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/pages\/20834\/revisions\/289864"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/media\/271849"}],"wp:attachment":[{"href":"https:\/\/www.mometrix.com\/academy\/wp-json\/wp\/v2\/media?parent=20834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}