{"id":1105,"date":"2024-04-10T13:24:23","date_gmt":"2024-04-10T10:24:23","guid":{"rendered":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-3-4\/"},"modified":"2024-04-10T13:24:23","modified_gmt":"2024-04-10T10:24:23","slug":"self-test-3-4","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/lcms_method_validation\/self-test-3-4\/","title":{"rendered":"Self-test 3.4"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam4\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-4\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div id=\"questionWrap-1\" class=\"   watupro-question-id-17\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">1. <\/span>Sensitivity can be useful for:<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"17\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType17\" class=\"answerTypeCnt1\" value=\"checkbox\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices17\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-17[]\" id=\"answer-id-57\" class=\"answer   answerof-17 \" value=\"57\"><label for=\"answer-id-57\" id=\"answer-label-57\" class=\" answer\"><span><p>Method optimization<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-17[]\" id=\"answer-id-56\" class=\"answer   answerof-17 \" value=\"56\"><label for=\"answer-id-56\" id=\"answer-label-56\" class=\" answer\"><span><p>Routine monitoring of the instrument<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-17[]\" id=\"answer-id-61\" class=\"answer   answerof-17 \" value=\"61\"><label for=\"answer-id-61\" id=\"answer-label-61\" class=\" answer\"><span><p><span id=\"docs-internal-guid-426ce40a-a2c2-5f05-5b4b-b2acf2e8235e\">Estimating the trueness of the method<\/span><\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-17[]\" id=\"answer-id-58\" class=\"answer   answerof-17 \" value=\"58\"><label for=\"answer-id-58\" id=\"answer-label-58\" class=\" answer\"><span><p>Deciding if linear calibration model can be used<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-17[]\" id=\"answer-id-60\" class=\"answer   answerof-17 \" value=\"60\"><label for=\"answer-id-60\" id=\"answer-label-60\" class=\" answer\"><span><p><span id=\"docs-internal-guid-426ce40a-a2c2-102d-2438-96e464080bb8\">Estimating matrix effect, LoD and LoQ\u00a0<\/span><\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-17[]\" id=\"answer-id-59\" class=\"answer   answerof-17 \" value=\"59\"><label for=\"answer-id-59\" id=\"answer-label-59\" class=\" answer\"><span><p>Correcting for matrix suppression<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-1\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-17\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn17\" class=\"liveResultBtn1 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(17, 1);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"   watupro-question-id-16\">\n\t\t\t<div class=\"question-content\"><div><span class=\"watupro_num\">2. <\/span>Sensitivity is defined as:<\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"16\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType16\" class=\"answerTypeCnt2\" value=\"checkbox\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices16\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-16[]\" id=\"answer-id-52\" class=\"answer   answerof-16 \" value=\"52\"><label for=\"answer-id-52\" id=\"answer-label-52\" class=\" answer\"><span><p>The change in the response of a measuring instrument divided by the corresponding change in the stimulus<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-16[]\" id=\"answer-id-55\" class=\"answer   answerof-16 \" value=\"55\"><label for=\"answer-id-55\" id=\"answer-label-55\" class=\" answer\"><span><p>Characteristic of method\u2019s detection\/determination ability<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-16[]\" id=\"answer-id-51\" class=\"answer   answerof-16 \" value=\"51\"><label for=\"answer-id-51\" id=\"answer-label-51\" class=\" answer\"><span><p>The lower and upper concentrations of analyte in the sample for which precision, accuracy and response function has been established<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-16[]\" id=\"answer-id-54\" class=\"answer   answerof-16 \" value=\"54\"><label for=\"answer-id-54\" id=\"answer-label-54\" class=\" answer\"><span><p>The slope of the calibration graph<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-16[]\" id=\"answer-id-53\" class=\"answer   answerof-16 \" value=\"53\"><label for=\"answer-id-53\" id=\"answer-label-53\" class=\" answer\"><span><p>Method\u2019s ability to obtain test results which are directly proportional to the concentration of analyte in the sample<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-2\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-16\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn16\" class=\"liveResultBtn2 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(16, 2);\"><\/p>\n\t   <div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"   watupro-question-id-18\">\n\t\t\t<div class=\"question-content\"><p><span class=\"watupro_num\">3. <\/span>Find the numerical value and unit of sensitivity of a LC-ESI-MS method for acetamiprid analysis in garlic.<\/p>\n<table style=\"width: 170px; height: 180px; border: 1px solid black;\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td style=\"text-align: center; border: 1px solid black;\"><strong>C (ppb)<\/strong><\/td>\n<td style=\"text-align: center; border: 1px solid black;\"><strong>Signal (au)<\/strong><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">0.2<\/td>\n<td class=\"xl64\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">10989337<\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">0.7<\/td>\n<td class=\"xl65\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">20508735<\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">1.5<\/td>\n<td class=\"xl65\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">35998848<\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">2<\/td>\n<td class=\"xl65\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">46888155<\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">3<\/td>\n<td class=\"xl65\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">65076575<\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">4<\/td>\n<td class=\"xl65\" style=\"text-align: center; border: 1px solid black;\" align=\"right\">82250446<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0<\/p>\n<p>For use with ValChrom:\u00a0<a href=\"https:\/\/sisu.ut.ee\/lcms_method_validation\/st_3-4_1_sensitivity-csv\/\" data-fid=\"41322\">st_3.4_1_sensitivity.csv<\/a><\/p>\n<p>Sensitivity (please round the answer to nearest integer and choose the correct unit from the given list):<br>\n<input type=\"text\" size=\"10\" name=\"gap_18_1\" class=\"watupro-gap answer answerof-18\" value=\"\"> \u00a0 <select name=\"gap_18_2\" class=\"watupro-gap answer answerof-18\"><option value=\"\"><\/option><option value=\"au\/ppb\">au\/ppb<\/option><option value=\"ppb\/au\">ppb\/au<\/option><option value=\"au\">au<\/option><option value=\"1\/ppb\">1\/ppb<\/option><option value=\"ppb\">ppb<\/option><\/select><\/p>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"18\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType18\" class=\"answerTypeCnt3\" value=\"gaps\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div>\t\t\t\t\t<div style=\"display:none;\" id=\"liveResult-3\">\t\t   \n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t\t\t\t\t<\/div>\t\n\t\t\t<\/div> \n\t   \t<p id=\"liveResBtn-18\" style=\"clear:both;\"><input type=\"button\" id=\"liveResultBtn18\" class=\"liveResultBtn3 watupro-live-result-btn\" value=\"See Answer\" onclick=\"WatuPRO.liveResult(18, 3);\"><\/p>\n\t   <div style=\"display:none\" id=\"question-4\">\n\t<div class=\"question-content\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t<\/div>\n<\/div>\n\n<br>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons4\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"View Results\">\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"4\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-17 00:29:45\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776385785\">\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"17:57,56,61,58,60,59 | 16:52,55,51,54,53 | 18:\">\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>\u00a0<\/p>\n<\/div>\n\n<script type=\"text\/javascript\">\n\/\/jQuery(document).ready(function(){\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \t\nvar question_ids = \"17,16,18\";\nWatuPROSettings[4] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 4;\t    \nWatuPRO.post_id = 1105;\nWatuPRO.store_progress = 0;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.68514900 1776374985\";\nvar url = \"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/show_exam.php\";\nWatuPRO.examMode = 1;\nWatuPRO.siteURL=\"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-admin\/admin-ajax.php\";\nWatuPRO.emailIsNotRequired = 0;\nWatuPRO.perDecade = 10;\nWatuPROIntel.init(4);\nWatuPRO.inCategoryPages=1;});    \t \n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":280,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-1105","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/users\/280"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/comments?post=1105"}],"version-history":[{"count":0,"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/pages\/1105\/revisions"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/lcms_method_validation\/wp-json\/wp\/v2\/media?parent=1105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}