NAHQ CPHQ Practice Exam

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In evaluating "long waiting times," a healthcare quality professional best demonstrates components related to staffing, methods, measures, materials, and equipment utilizing

  1. a histogram

  2. a pie chart

  3. a run chart

  4. an Ishikawa diagram

The correct answer is: a histogram

AnswerA histogram is the most appropriate tool for a healthcare quality professional to utilize when evaluating long waiting times. A histogram is a type of chart that visually displays the frequency of occurrences for a particular variable, making it effective in determining staffing levels, utilization of methods, and proper utilization of materials and equipment. B and C are not appropriate choices as they are typically used to display proportions or trends, rather than specific occurrence frequencies. D, an Ishikawa diagram, is used to identify potential causes and effects of a problem and does not directly relate to the components of staffing, methods, measures, materials, and equipment.

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