Q&A Hero

Q: The number of medications a person is taking is an example of ordinal data.

Q: What would be the numerator for calculating the incidence rate of cardiovascular disease in the study?

Q: It appears from the information that the leadership perceptions of the majority of students improved as a result of their clinical internship in management. Do you agree or disagree? Explain.

Q: What kind of data is shown?

Q: Which hospital had the fewest admissions for September?

Q: Which hospital drew the fewest patients from the city?

Q: Which hospital appears to be located in the suburbs?

Q: What kind of data is shown?

Q: What is the median LOS for patients having nosocomial viral pneumonia?

Q: What is the mean LOS for patients having community-acquired viral pneumonia?

Q: In which column is the ratio specified?

Q: Which fiscal agent provided more covered care for females than for others?

Q: What kind of data is shown?

Q: What was the relative frequency for the data in the 10,000-14,999 interval?

Q: What kind of data is shown?

Q: The _________________________ demonstrates how values are spread around the mean and is the square root of the variance.

Q: The ____________________ is the difference between the highest and lowest values.

Q: ____________________ is a measure of how often data are classified in the same manner.

Q: The ____________________ denotes the middlemost value when the values are arranged in numerical order.

Q: A whole number divided in 100 parts is a ____________________.

Q: The ____________________ is the average number of observations.

Q: The average lengths of stay in the intensive care, cardiac care, and intermediate care units were 13, 7, and 4 days, respectively. The three units have seen 18, 10, and 18 patients, respectively. What was the weighted average length of stay? a. 6.2 days b. 7.4 days c. 7.9 days d. 8.2 days

Q: Ten patients were discharged from the obstetrical service on May 4 at Rocky Mountain Hospital. The day's stay for each patient was 3, 2, 1, 1, 6, 5, 1, 2, 2, and 4. What was the range for these patients' length of stay? a. 5 b. 4 c. 3 d. 6

Q: Ten patients were discharged from the obstetrical service on May 4 at Rocky Mountain Hospital. The day's stay for each patient was 3, 2, 1, 1, 6, 5, 1, 2, 2, and 4. What was(were) the mode(s) for these patients? a. 1 b. 2 c. 1 and 2 d. 3

Q: Ten patients were discharged from the obstetrical service on May 4 at Rocky Mountain Hospital. The day's stay for each patient was 3, 2, 1, 1, 6, 5, 1, 2, 2, and 4. What was the median day's stay for these patients? a. 1 b. 2 c. 3 d. 4

Q: Which is the average number of days of service for each inpatient discharged within a given period? a. Median b. Inpatient census c. Average length of stay d. Occupancy average

Q: Which of the following should be excluded in computing the net autopsy rate? a. Death occurring under 48 hours b. Postoperative deaths c. Medical examiner deaths that cannot be autopsied d. None of the above

Q: In an 800-bed health care facility during the month of January the total inpatient days for adults were 13,500. What was the percentage of occupancy? a. 54.9% b. 54.4% c. 60% d. 55.4%

Q: In an 800-bed health care facility during the month of January the total inpatient days for adults were 13,500. What was the average daily census? a. 439.5 b. 435.5 c. 440 d. 453.5

Q: What type of data are these examples: the number of records that are analyzed, the number of patients interviewed in a patient satisfaction survey? a. Continuous b. Nominal c. Discrete d. Ordinal

Q: What is it called when every member of the population has the same chance of being included in the sample and the selection of one member has no effect on the selection of another member? a. Random sample b. Type II error c. Population d. Type I error

Q: A type I error is when the researcher a. Accepts the null hypothesis when it is false. b. Rejects the null hypothesis when it is true. c. Accepts the alternative hypothesis. d. Both a and b

Q: Which is a measure of dispersion that is computed by taking the square root of the variance, thereby demonstrating how the values are spread around the mean? a. Mode b. Median c. Range d. Standard deviation

Q: When two groups have very different means, it is best to compare their a. Standard deviation. b. Mean. c. Median. d. Coefficient of variation.

Q: What is the major disadvantage of the range? a. Based on ordinal data only b. Based on percentages c. Based on extreme values and ignores all other values d. Based on small values and ignores all other values

Q: A sample is a subset of a population that is valid if it is a true representation of a. The population. b. The subset. c. The mean of the sample. d. The median of the population.

Q: Which statistic is most appropriate to use when describing ordinal or ranked data? a. Mean b. Median c. Mode d. Standard deviation

Q: What was the average length of stay for the following patients: 4, 3, 2, 5, 5,10? a. 5.8 b. 4.8 c. 6.0 d. 7.8

Q: When intervals are used in frequency distribution tables, the intervals should be a. No less than 5 and no more than 20. b. Of equal width. c. End points that do not overlap. d. All of the above.

Q: The ranking of variables according to some criterion is called _____ data. a. Nominal b. Ordinal c. Discrete d. Continuous

Q: What type of data is weight, height, temperature, pulse, cost, or charges in dollars? a. Nominal b. Ordinal c. Discrete d. Continuous

Q: What is the term for the number of new cases of a disease? a. Incidence b. Prevalence c. Attack rate d. Spectrum of disease

Q: What is the term for the number of existing cases of a disease? a. Incidence b. Prevalence c. Mortality d. Morbidity

Q: What is an infection called that occurs more than 72 hours after admission? a. Community-acquired infection b. Comorbidity c. Complication d. Nosocomial infection

Q: What is the major difference between the gross and net autopsy rates? a. Net autopsy rate excludes unautopsied coroner€s cases. b. Gross autopsy rate excludes unautopsied coroner€s cases. c. Gross autopsy rate excludes inpatient deaths. d. Net autopsy rate excludes inpatient deaths.

Q: If a hospital has an SMR of 2.53 for a specific DRG, this means that the hospital has a _____% higher mortality for the DRG than was expected. a. 153 b. 2.53 c. 1.0 d. 50

Q: When should the standardized mortality ratio (SMR) be used? a. When age-specific rates are available b. When the number of deaths per age category is large c. When age-specific rates are not available d. All of the above

Q: Which denominator is appropriate for computing the maternal death rate? a. Total discharges (including deaths) of all patients b. Total discharges (including deaths) of obstetrical patients c. Total deaths of obstetrical patients d. Total discharges of surgical patients

Q: Which of the following retains the original vital statistics certificate for permanent filing? a. NCHS b. State registrar c. Hospital d. None of the above

Q: Data collected from births, adoptions, marriages, divorces, deaths, and fetal deaths are all considered a. Registers of events. b. Vital statistics. c. Public health statistics. d. Epidemiological data.

Q: Which statistic represents the number of individuals in a specific category divided by the number of individuals in the category? a. Rate b. Percentage c. Proportion d. Ratio

Q: The electronic development of systems analysis aids can be facilitated by RFPs.

Q: An entity relationship is represented by a rectangle in an ERD.

Q: A system hierarchy chart is used to illustrate the logical design of an information system database.

Q: Attributes describe both entities and relationships in a database.

Q: Icons have cross-cultural advantages over dialog and menu interfaces when considering systems design.

Q: When considering the physical design of a system, window interfaces can be used to provide views of the document.

Q: Windows and icons are interfacing elements for data displays in an information system.

Q: When the combined labor of users and Information Systems staff results in the successful implementation of an EHR system, most likely there was a strong collaboration during all phases of the project.

Q: Information technology people think in terms of business tasks; users think in terms of systems.

Q: When the Chief Financial Officer (CFO) of a health care organization continues to demand written, weekly detailed progress reports of an in-house EHR implementation, he is exhibiting the collaboration principle of trust.

Q: Collaboration in health care projects occurs only when there are formally established groups.

Q: Over time, no one will know the EHR system better than its users € including the Information Systems department.

Q: It is enough to have a clear understanding and commitment to the final outcome of an EHR project for it to be a success.

Q: In the absence of clear principles and policies concerning information management, staff will always work it out.

Q: When there is a steady stream of EHR processes in a health care organization, this is known as an EHR project.

Q: When upgrading an EHR system, physicians, nurses, social workers, and radiology technicians are all examples of potential stakeholders.

Q: Work teams established to perform specific tasks are known as environmental basics.

Q: There are many principles to consider when embarking on a major systems development project such as an EHR implementation. The chapter suggests at least eight such principles. Name at least three.

Q: When a HIM director realizes there is a problem with attending physicians receiving their transcribed reports in the EHR for authentication, she decides to use tools to identify where the issue(s) is(are) occurring. The general term for these tools is(are) ___________________________ tools.

Q: These tools need to be updated on a regular basis to assure they meet the latest discoveries, medication interactions, and any quality-of-care issues. They are called ___________________________ tools.

Q: When the HIM director and her management team are meeting to decide on the necessities of a new coding system for ICD-11, they are in the ____________________ phase.

Q: Those individuals who have a strong interest in connecting medical devices to the organization's EHR system are called ___________________.

Q: A _______________manual lists, defines, and describes system features, while a _______________manual describes system features critical to specific users.

Q: A year ago, a skilled nursing facility purchased a computer system to process billing claims. Six months ago, the administrative office also acquired a computer system to support clerical functions. Two months ago, a system was purchased to assist with dietary planning. Last month, a consultant was hired to merge the systems. Referring to the information in the scenario above, which of the following technology management practices is likely at the current point in time for this organization? a. Little control b. Centralization of all resources c. Centralization of technology standards d. Integration of technologies

Q: Health Information Management Services has an automated release of information (ROI) system that was installed 4 years ago to assist staff in responding to requests for information. The system is updated regularly to accommodate user needs and changes in laws and regulations. Given this information, at what phase in the information system's life cycle is the ROI system? a. Design phase b. Implementation phase c. Maintenance phase d. Obsolescence phase

Q: A hierarchy chart is composed of which elements? a. Attributes b. Processes c. Entities d. Nodes

Q: Which is true of CASE products? a. Increase productivity b. Reduce costs c. Standardize output d. Both a and c

Q: Which of the following provides a global view of the information and forms the basis for the physical design of the database? a. RFPs b. DFDs c. ERDs d. Data dictionary

Q: ERDs should be developed whether the information system is to be developed in-house or purchased from a vendor. Do you agree? a. Yes b. No