// Numbas version: exam_results_page_options
{"name": "Nursing Question 6", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"metadata": {"description": "<p>Dosage questions using percentages</p>", "licence": "Creative Commons Attribution 4.0 International"}, "name": "Nursing Question 6", "variables": {"b2": {"name": "b2", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "100 - b"}, "ans": {"name": "ans", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "a-(a*b*0.01)"}, "b": {"name": "b", "description": "", "group": "Ungrouped variables", "templateType": "randrange", "definition": "random(5..95#1)"}, "d": {"name": "d", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "b2/100"}, "b1": {"name": "b1", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "b/100"}, "ans1": {"name": "ans1", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "ans*0.001"}, "c": {"name": "c", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "b1*a"}, "a": {"name": "a", "description": "", "group": "Ungrouped variables", "templateType": "randrange", "definition": "random(0..950#5)"}}, "rulesets": {}, "extensions": [], "variablesTest": {"condition": "", "maxRuns": 100}, "tags": [], "functions": {}, "parts": [{"variableReplacementStrategy": "originalfirst", "steps": [{"variableReplacementStrategy": "originalfirst", "prompt": "<p><strong>Method 1</strong></p>\n<p>Convert the Percentage into a decimal by dividing by 100.</p>\n<p>Multiply your answer by the original drug amount.</p>\n<p>Take your answer away from the original drug amount.</p>\n<p><strong>Method 2</strong></p>\n<p>Percentage means \"out of 100\" so the maximum a true percentage can be is 100.&nbsp;</p>\n<p>If we reduce something by a percentage then what is left is 100 minus the original percentage which is our new percentage.</p>\n<p>Convert the new percentage into a decimal by dividng by 100.</p>\n<p>Multiply your decimal answer by the original drug amount.</p>", "showCorrectAnswer": true, "showFeedbackIcon": true, "marks": 0, "variableReplacements": [], "scripts": {}, "type": "information"}], "prompt": "<p>The normal adult dose of drug A is $\\var{a}$mcg. Since the patient is a child, they require a reduction in dosage of $\\var{b}\\%$. What is the new dose that the patient should be given? Give your answer in both mcg and mg.</p>\n<p>[[0]]mcg</p>\n<p>[[1]]mg</p>", "showCorrectAnswer": true, "showFeedbackIcon": true, "gaps": [{"variableReplacementStrategy": "originalfirst", "scripts": {}, "showFeedbackIcon": false, "variableReplacements": [], "minValue": "{ans}", "notationStyles": ["plain", "en", "si-en"], "type": "numberentry", "allowFractions": false, "marks": "2", "correctAnswerStyle": "plain", "showCorrectAnswer": true, "correctAnswerFraction": false, "maxValue": "{ans}"}, {"variableReplacementStrategy": "originalfirst", "scripts": {}, "showFeedbackIcon": true, "variableReplacements": [{"part": "p0g0", "variable": "ans", "must_go_first": true}], "minValue": "{ans1}", "notationStyles": ["plain", "en", "si-en"], "type": "numberentry", "allowFractions": false, "marks": "1", "correctAnswerStyle": "plain", "showCorrectAnswer": true, "correctAnswerFraction": false, "maxValue": "{ans1}"}], "marks": 0, "variableReplacements": [], "scripts": {}, "stepsPenalty": "2", "type": "gapfill"}], "statement": "<p>Dosages using percentages</p>", "preamble": {"js": "", "css": ""}, "ungrouped_variables": ["a", "b", "ans", "ans1", "b1", "c", "b2", "d"], "variable_groups": [], "advice": "<p><strong>Method 1</strong></p>\n<p>Convert the Percentage into a decimal by dividing by 100. -&gt; $\\dfrac{\\var{b}}{100} = \\var{b1}$</p>\n<p>Multiply your answer by the original drug amount. -&gt; $\\var{b1}\\times\\var{a} = \\var{c}$</p>\n<p>Take your answer away from the original drug amount. -&gt; $\\var{a} - \\var{c} = \\var{ans}$</p>\n<p><strong>Method 2</strong></p>\n<p>Percentage means \"out of 100\" so the maximum a true percentage can be is 100.&nbsp;</p>\n<p>If we reduce something by a percentage then what is left is 100 minus the original percentage which is our new percentage. -&gt; $100 - \\var{b} = \\var{b2}$</p>\n<p>Convert the new percentage into a decimal by dividng by 100. -&gt; $\\dfrac{\\var{b2}}{100} = \\var{d}$</p>\n<p>Multiply your decimal answer by the original drug amount. -&gt; $\\var{a} \\times \\var{d} = \\var{ans}$</p>\n<p>To convert, divide your answer by 1000. -&gt; $\\dfrac{\\var{ans}}{1000} = \\var{ans1}$</p>", "type": "question", "contributors": [{"name": "Mark Hodds", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/510/"}]}]}], "contributors": [{"name": "Mark Hodds", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/510/"}]}