// Numbas version: exam_results_page_options
{"name": "IV time needed (easier)", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"preamble": {"js": "", "css": ""}, "ungrouped_variables": ["V", "r", "type", "m", "h", "time"], "advice": "<p><span data-jme-visible=\"type=1\">\\begin{align}\\text{time (hr)}&amp;=\\frac{\\text{volume (mL)}}{\\text{flow rate (mL/hr)}}\\\\&amp;=\\frac{\\var{V}\\text{ mL}}{\\var{r} \\text{ mL/hr}}\\\\&amp;=\\var{h} \\text{ hours and } 0 \\text{ minutes} \\end{align}</span></p>\n<p><span data-jme-visible=\"type=3\">\\begin{align}\\text{time (hr)}&amp;=\\frac{\\text{volume (mL)}}{\\text{flow rate (mL/hr)}}\\\\&amp;=\\frac{\\var{V}\\text{ mL}}{\\var{r} \\text{ mL/hr}}\\\\&amp;\\approx \\var{time} \\text{ hours} \\\\&amp;=\\var{h} \\text{ hours and }&nbsp;\\var{m}&nbsp;\\text{ minutes}\\end{align}</span></p>\n<p><span data-jme-visible=\"type=2 or type=4\">\\begin{align}\\text{time (hr)}&amp;=\\frac{\\text{volume (mL)}}{\\text{flow rate (mL/hr)}}\\\\&amp;=\\frac{\\var{V}\\text{ mL}}{\\var{r} \\text{ mL/hr}}\\\\&amp;= \\var{time} \\text{ hours} \\\\&amp;=\\var{h} \\text{ hours and }&nbsp;\\var{m}&nbsp;\\text{ minutes}\\end{align}</span></p>", "metadata": {"description": "Nursing question. IV question. Given volume and flow rate what time will is take for the bag to run dry? Answers are designed to be easy to handle, e.g. full hours, half hours, quarter hours and thirds of an hour.", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "variable_groups": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "parts": [{"customName": "", "sortAnswers": false, "variableReplacementStrategy": "originalfirst", "type": "gapfill", "customMarkingAlgorithm": "", "scripts": {}, "showFeedbackIcon": true, "useCustomName": false, "variableReplacements": [], "prompt": "<p>Your patient is ordered $\\var{V}$ mL of intravenous (IV) normal saline. If the IV is set at $\\var{r}$ mL/hr, how long will it take to deliver the fluid?</p>\n<p>[[0]]&nbsp;hours&nbsp;[[1]] minutes</p>", "unitTests": [], "gaps": [{"variableReplacementStrategy": "originalfirst", "precisionMessage": "You have not given your answer to the nearest whole number.", "customMarkingAlgorithm": "", "type": "numberentry", "showFeedbackIcon": true, "showPrecisionHint": false, "useCustomName": false, "minValue": "h", "marks": 1, "showCorrectAnswer": true, "precisionType": "dp", "mustBeReducedPC": 0, "maxValue": "h", "customName": "", "correctAnswerFraction": false, "precision": 0, "notationStyles": ["plain", "en", "si-en"], "precisionPartialCredit": 0, "scripts": {}, "strictPrecision": false, "allowFractions": false, "variableReplacements": [], "unitTests": [], "correctAnswerStyle": "plain", "extendBaseMarkingAlgorithm": true, "mustBeReduced": false}, {"customName": "", "correctAnswerFraction": false, "variableReplacementStrategy": "originalfirst", "showFractionHint": true, "type": "numberentry", "customMarkingAlgorithm": "", "scripts": {}, "showFeedbackIcon": true, "correctAnswerStyle": "plain", "useCustomName": false, "allowFractions": false, "variableReplacements": [], "unitTests": [], "minValue": "m", "notationStyles": ["plain", "en", "si-en"], "showCorrectAnswer": true, "marks": 1, "extendBaseMarkingAlgorithm": true, "mustBeReducedPC": 0, "mustBeReduced": false, "maxValue": "m"}], "showCorrectAnswer": true, "marks": 0, "extendBaseMarkingAlgorithm": true}], "tags": [], "statement": "<p>Evaluate the following&nbsp;without using a calculator.</p>\n<p>If you are unsure of how to do&nbsp;a question, click on&nbsp;<i>Reveal answers</i>&nbsp;to see the full working. Then, once you understand how to do the question, click on&nbsp;<em>Try another question like this one</em>&nbsp;to start again.</p>", "variables": {"h": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random(1..4)", "name": "h"}, "type": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random(1,2,3,4)", "name": "type"}, "r": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "random(50..400#25)*type", "name": "r"}, "m": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "switch(type=1,0,type=2,random(0,30),type=3,random(20,40), type=4,random(15,30,45))\n", "name": "m"}, "time": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "h+m/60", "name": "time"}, "V": {"templateType": "anything", "description": "", "group": "Ungrouped variables", "definition": "r*time\n", "name": "V"}}, "rulesets": {}, "functions": {}, "extensions": [], "name": "IV time needed (easier)", "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}]}], "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}