{"id":409,"date":"2021-04-28T18:36:00","date_gmt":"2021-04-28T18:36:00","guid":{"rendered":"https:\/\/www.osmosis.org\/blog\/?p=409"},"modified":"2026-03-20T13:52:28","modified_gmt":"2026-03-20T21:52:28","slug":"nclex-question-of-the-day-heparin-infusion-laboratory-findings","status":"publish","type":"post","link":"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings","title":{"rendered":"NCLEX-RN\u00ae Question of the Day: Heparin infusion laboratory findings"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">In This Article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\/#The_correct_answer_to_todays_NCLEX-RN%C2%AE_Question_is%E2%80%A6\" >The correct answer to today&#8217;s NCLEX-RN\u00ae Question is&#8230;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\/#Ready_to_put_your_nursing_knowledge_to_the_test\" >Ready to put your nursing knowledge to the test?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\/#Major_Takeaway\" >Major Takeaway<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\/#Incorrect_Answer_Explanations\" >Incorrect Answer Explanations<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\/#Want_to_learn_more_about_this_topic\" >Want to learn more about this topic?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\/#Reference\" >Reference<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\"><strong><em>Today&#8217;s NCLEX-RN\u00ae question of the day focuses on a client receiving a heparin infusion.<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When evaluating the <strong>therapeutic response<\/strong> for a client receiving a&nbsp;<strong><a href=\"https:\/\/www.osmosis.org\/learn\/Anticoagulants:_Heparin\" target=\"_blank\" rel=\"noreferrer noopener\">heparin<\/a>&nbsp;infusion<\/strong>, which <strong>laboratory results<\/strong> should the nurse <strong>monitor<\/strong>?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A. Complete blood count (CBC)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B.&nbsp;Activated partial thromboplastin time (aPTT)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C. International normalized ratio (INR)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D.&nbsp;Prothrombin time (PT)<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>Scroll down for the correct answer!<\/em><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Nurses Learn by Osmosis.org\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/kGJCkPfFypA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.osmosis.org\/plans\" target=\"_blank\" rel=\"noreferrer noopener\"><u><em><strong>\u2192 Reinforce your understanding with more self-assessment items on Osmosis.<\/strong>&nbsp;<\/em><\/u><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_correct_answer_to_todays_NCLEX-RN%C2%AE_Question_is%E2%80%A6\"><\/span>The correct answer to today&#8217;s NCLEX-RN\u00ae Question is&#8230;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B.&nbsp;Activated partial thromboplastin time (aPTT)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rationale:<\/strong>&nbsp;When caring for a client who is receiving <strong>heparin<\/strong>, the nurse should monitor the <strong>aPTT <\/strong>to evaluate <strong>medication effectiveness.<\/strong> The aPTT evaluates the <strong>intrinsic <\/strong>and <strong>final common pathways<\/strong> of the <strong>coagulation cascade <\/strong>that are affected by heparin. Both <strong>PT<\/strong>, which affects the <strong>extrinsic <\/strong>and <strong>final common pathways<\/strong>, and <strong>INR<\/strong>, which affects the <strong>extrinsic pathway<\/strong>, are used to <strong>evaluate <\/strong>the <strong>effectiveness <\/strong>of <strong>warfarin therapy<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ready_to_put_your_nursing_knowledge_to_the_test\"><\/span><em>Ready to put your nursing knowledge to the test?<\/em><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Explore the <strong><a href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-smarter-prep-better-results\" target=\"_blank\" rel=\"noreferrer noopener\">NCLEX\u00ae Question of the Day: Smarter Prep, Better Results<\/a><\/strong> page to practice with NCLEX-style questions and boost your confidence before exam day.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Major_Takeaway\"><\/span>Major Takeaway<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When caring for a client who is receiving <strong>heparin<\/strong>, the nurse should <strong>monitor the aPTT<\/strong> to evaluate <strong>medication effectiveness<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Incorrect_Answer_Explanations\"><\/span>Incorrect Answer Explanations<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A. Complete blood count (CBC)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rationale<\/strong>: Heparin is an <strong>anticoagulant<\/strong>, so a CBC will not provide the nurse information to evaluate a <strong>therapeutic response to heparin<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C. International normalized ratio (INR)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rationale<\/strong>: The <strong>INR <\/strong>is used to monitor clients who are taking&nbsp;<a href=\"https:\/\/www.osmosis.org\/learn\/Anticoagulants:_Warfarin\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>warfarin<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D.&nbsp;Prothrombin time (PT)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rationale<\/strong>: <strong>PT <\/strong>is used to evaluate the <strong>effectiveness <\/strong>of <strong>warfarin therapy<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Want_to_learn_more_about_this_topic\"><\/span>Want to learn more about this topic?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Watch the Osmosis video: <a href=\"https:\/\/www.osmosis.org\/learn\/Anticoagulants:_Heparin\">Anticoagulants: Heparin<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reference\"><\/span>Reference<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Burchum, J. R., &amp; Rosenthal, L. D. (2019).<em>&nbsp;Lehne\u2019s pharmacology for nursing care<\/em>&nbsp;(10th ed.). St. Louis, MO: Elsevier.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.osmosis.org\/plans\/rn\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"250\" src=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/08\/31.png\" alt=\"Osmosis sign up ad\" class=\"wp-image-411\" srcset=\"https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/08\/31.png 700w, https:\/\/www.osmosis.org\/blog\/wp-content\/uploads\/sites\/2\/2024\/08\/31.png?resize=300,107 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption class=\"wp-element-caption\">NCLEX-RN\u00ae and NCLEX-PN\u00ae are registered trademarks of the National Council of State Boards of Nursing, Inc (NCSBN\u00ae). Osmosis is not affiliated with NCSBN.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Want more <strong>NCLEX\u00ae-style practice questions<\/strong>? Try <strong>Osmosis from Elsevier<\/strong> today! Get your\u00a0<a href=\"https:\/\/www.osmosis.org\/plans\/rn\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>f<\/strong><\/a><a href=\"https:\/\/www.osmosis.org\/login?type=create\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ree trial<\/strong><\/a>\u00a0and discover why millions of current and future <strong>clinicians and caregivers love learning by Osmosis<\/strong><\/em>!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Test your knowledge with today\u2019s NCLEX-RN\u00ae question! Learn why monitoring aPTT is key to med effectiveness and optimal patient care. Boost your skills and exam prep!<\/p>\n","protected":false},"author":279,"featured_media":410,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[20,29,1367,1366,32],"tags":[598,599,218,596,597,262,283,342,245,149],"class_list":["post-409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exam-prep","category-nclex","category-nclex-rn","category-questions","category-nursing","tag-anticoagulant-therapy","tag-aptt","tag-clinical-skills","tag-heparin","tag-laboratory-monitoring","tag-medication-management","tag-nclex","tag-nursing-assessments","tag-nursing-education","tag-patient-care"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCLEX-RN\u00ae Question of the Day: Heparin infusion laboratory findings - Osmosis Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.osmosis.org\/blog\/nclex-question-of-the-day-heparin-infusion-laboratory-findings\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCLEX-RN\u00ae Question of the Day: Heparin infusion laboratory findings - Osmosis Blog\" \/>\n<meta property=\"og:description\" content=\"Test your knowledge with today\u2019s NCLEX-RN\u00ae question! 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