{"id":180609,"date":"2025-01-07T18:02:35","date_gmt":"2025-01-07T18:02:35","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=180609"},"modified":"2025-01-07T18:02:37","modified_gmt":"2025-01-07T18:02:37","slug":"1-the-pain-reliever-naproxen-has-a-half-life-of-12-h-in-the-human-body-a-patient-takes","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/01\/07\/1-the-pain-reliever-naproxen-has-a-half-life-of-12-h-in-the-human-body-a-patient-takes\/","title":{"rendered":"1. The pain reliever naproxen has a half-life of 12 h in the human body. A patient takes"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>The pain reliever naproxen has a half-life of 12 h in the human body. A patient takes a 400 mg tablet of naproxen at 8 AM and a second 400 mg tablet at 8 PM (12 h after the first dose). How much naproxen remains in the patient\u2019s body at 8 AM the following day (12 h after the second dose)?<\/li>\n<\/ol>\n\n\n\n<p>(A) 50 mg<\/p>\n\n\n\n<p>(B) 100 mg<\/p>\n\n\n\n<p>(C) 200 mg<\/p>\n\n\n\n<p>(D) 300 mg<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>The correct answer is <strong>(D) 300 mg<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>The half-life of naproxen is 12 hours. This means that after 12 hours, half of the naproxen that was initially in the body will be eliminated.<\/p>\n\n\n\n<p>The patient takes two doses of 400 mg each\u2014one at 8 AM and the other at 8 PM.<\/p>\n\n\n\n<p>Let&#8217;s break down how much naproxen remains in the body at 8 AM the following day, which is 12 hours after the second dose.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>First dose (8 AM, 400 mg):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>After 12 hours (at 8 PM), half of the 400 mg remains.<\/li>\n\n\n\n<li>Remaining naproxen after 12 hours = 400 mg \/ 2 = 200 mg.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Second dose (8 PM, 400 mg):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>At 8 AM the next day, 12 hours after the second dose, half of the 400 mg will remain.<\/li>\n\n\n\n<li>Remaining naproxen after 12 hours = 400 mg \/ 2 = 200 mg.<\/li>\n<\/ul>\n\n\n\n<p>So, at 8 AM the following day, the total amount of naproxen in the patient\u2019s body is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>200 mg (from the first dose) + 200 mg (from the second dose) = <strong>400 mg<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>However, the question asks for the amount of naproxen that remains in the body <strong>at 8 AM the following day, 12 hours after the second dose<\/strong>. By this time, <strong>200 mg<\/strong> from the first dose and <strong>100 mg<\/strong> from the second dose will have been eliminated, leaving:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>200 mg (from the first dose) + 100 mg (from the second dose) = <strong>300 mg<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the correct answer is <strong>(D) 300 mg<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(A) 50 mg (B) 100 mg (C) 200 mg (D) 300 mg The correct answer and explanation is: The correct answer is (D) 300 mg. Explanation: The half-life of naproxen is 12 hours. This means that after 12 hours, half of the naproxen that was initially in the body will be eliminated. The patient takes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-180609","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/180609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=180609"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/180609\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=180609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=180609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=180609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}