CKPIPH course

Practice Question / HDA_Part 4


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Total Questions: 48

1.) Primary purpose of an information management system is to allow an organization to:

Save time

Centralize demographics

Reduce cost

Evaluate data

2.) For..which of the following is process capability BEST used?

Identifying if a process is having the intended effect

Focusing a team on the best thing to do

Narrowing down options through a systematic approach of comparison

Determining if a process meets established specifications

3.) A healthcare quality professional in the organization wants to measure the success of corrective action plan with 95% confident level. The average daily census is 1000 patient per day the best sampling technique is to review.

Review 100% of all active records on one day of past month

Review 10% of all discharge records for the past quarter

Estimate the percentage of records to be reviewed using an accepted statistical formula appropriate for the population

Identify 30% of all records that failed preliminary care plan compliance review.

4.) The average daily census at the organization is 1000 patients. The most accurate & efficient sampling technique for this study would be:

Review 100% of all active records on one day of past month

Review 10% of all discharge records for the past quarter

Review all records that uses statistical analysis methods

Identify 30% of all records that failed preliminary care plan compliance review

5.) Graphs differ from narrative data, because it can demonstrate.

Trend

Analysis

both

None of the above

6.) After team training of data review, evaluation of team learning may be one of the following:

Draw Pareto chart

Draw Histogram

Interpretation of data

Tabulate result

7.) Bias of measure occurs when the measure:

Produce different results on repetitive measuring

Measures whats intended to measure

Produce data errors consistently and systematically

Exclude the negative cases consistently

8.) Sample results are often more accurate than results based on population because

Sample could be studied more quickly than population

Probability methods could be used to estimate the error in the resulting statistics

Studying sample is easier

Possibility of bias when studying population

9.) In special cause variation, the source of variation is:

Intermittent, unpredictable, chronic, extrinsic and assignable

Intermittent, unpredictable, unstable, extrinsic and assignable

Intermittent, inliers, unstable, extrinsic and assignable

Intermittent, unpredictable, unstable, and intrinsic and assignable

10.) A common cause variation is:

An intrinsic, inliers, unpredictable, chronic variation

The responsibility of the process owners

Correctable by top management and the team

An intrinsic, outlier, unpredictable, acute variation

11.) In a population that NOT normally distributed (Skewed) the best Statistic of the following in describing this population would be:

Mean

Median

Mode

Standard deviation

12.) If data include patients blood pressures, these data are categorized as:

Nominal

Continuous

Ordinal

Discrete

13.) A hospital needs to decide whether or not to incorporate a new feature into its current services, and as a result has commissioned qualitative research that will provide detailed feedback. Specifically, the hospital would like to collect opinions from patients and other hospital customers with a wide range of experience and backgrounds. Which of the following types of assessments is most likely to be of use to the hospital?

Case study

Survey

Team analysis

Focus group

14.) A patient care unit has a high fall rate. The Patient Safety Committee wants to know more about the data. A patient safety professional displays the number of falls and where they occurred. Which of the following is the best way to show this to the committee?

Scatter diagram

Bar chart

Run chart

Pie graph

15.) Which type of chart uses to identify variation for the aggregated data

Pie chart

Bar chart

Control chart

Histogram

16.) When sampling a population for data collection, consider

The size of the sample the larger, the better

The time-period being sampled the longer, the better

If the collection mechanism is biased toward improving an outcome

If the characteristics of the sample are the same as the target population

17.) Which of the following is a nominal variable?

Age

Religion

Blood Pressure

Occupation

18.) In Statistical procedures, generally as sample size increases.

The standard error increases in size

The standard error decreases in size

The standard error remains the same

The standard error is a constant that is not related to sample size

19.) You are doing research on hospital personnel including orderlies, technicians, nurses, pharmacists, and doctors. You want to be sure you draw a sample that has cases in each of personnel categories. An appropriate sampling method would be:

Simple random sampling

Stratified random sampling

Cluster sampling

Convenience sampling

20.) Measures of Central tendency describe

The extent to which the data points are scattered

Graphical representation of a distribution

The average distance of any variable in the data set from the mean

The typical or middle data point

21.) A sampling interval of 10 was used to select a sample from a population of 1200. How many elements are to be in the sample?

12

120

1200

1180

22.) Generally, large quantity data sets are summarized using

Descriptive Statistics

Inferential Statistics

Reports

Newsletters

23.) Standard deviation is

The spread of the data from the highest to lowest numbers

The average distance of observations from the mean

A sort of data that are symmetrically distributed

The middle value of 50% reference point of all occurrences

24.) Failure free operation over time can be used to describe which of the following characters of a measuring procedures?

Reliability

Validity

Sensitivity

Specificity

25.) The most effective data collection tools follow the of patient care and medical records documentation, whether the data are collected retrospectively or prospectively.

Actual flow

Chart review

Data analysis

Registration system

26.) A healthcare organization has experienced an increase in errors related to patient identification. The patient safety specialist has been asked to provide data showing what type of errors are occurring and at what frequency. Which of the following is the best tool to effectively demonstrate this?

Pareto chart

Run chart

Scatter diagram

Control chart

27.) Which of the following charts would be best to justify focusing on a few large problems and ignoring many smaller ones?

Scatter plot

Histogram

Pareto chart

Run chart

28.) Which of the following traits to histogram, Pareto chart, and Scatter plots have in common?

They are all bar charts.

They are all visual tools to display data

They all show change over time

All of the above

29.) What famous Italian economist is credited with the theory behind the 80/20 rule?

Michelangelo Histogram

Vilredo Pareto

Benedetto Cotrugli

Joseph M. Juran

30.) Which of the following best describes the purpose of a histogram?

To show the relationship between two variables

To show variation in weight over time

To show distribution of continuous data

None of the above

31.) ..arises from a single or small set of causes that are not part of event or process and therefore can be traced, identified, and implemented or eliminated. In general, researchers are interested in this variation because they can link-or-assign variation to a single specific cause and act accordingly.

Process variation

Assignable variation

Random variation

Performance variation

32.) In December 2016, a hospital reports a clostridium difficile infection rate of 8% and begins a series of infection prevention measures to reduce hospital acquired infections in general, including the use of stronger anti-bacterial cleaners throughout the hospital and a hand hygiene awareness campaign. In December 2017, this hospital reports a clostridium difficile infection rate of 4%. What is the best conclusion that can be drawn from these rates?

The hospital was successful in reducing their infection rate in 2017

The hospital reduced their clostridium rate, though one cannot tell which intervention was most effective.

Multiple infection prevention efforts are needed to decrease

No conclusion can be drawn

33.) The board of Hospital A ants to know how hospital As safety performance in central line associated blood stream infection (CLABSI) compares to that of other hospitals in their region. Which data display would best inform them for that decision?

Control chart of overall infection rate by quarter for the past two years for each hospital in the region

A table indicating the CLABSI infection rates of all hospitals in the region relative to National Healthcare Safety Network benchmark for CLABSI infections for the past two years.

A written report summarizing the current CLABSI prevention protocols of each hospital in the region

A table showing the number of CLABSI infections in each hospital in the region by quarter for the past two years.

34.) Variance in healthcare quality is considered:

Negative in any amount

Negative only if it is above 2 standard deviations

Negative only if it is more than 3 standard deviations

Positive for diversity purpose

35.) Benchmarking is best described as:

Illegal

Positive Competition

Counterproductive

Unethical

36.) The following quality tool is not based on Statistics:

Pareto diagram

Control chart

Histogram

Ishikawa diagram

37.) A facility had seven falls last month and 400 patient days. Which of the following is the fall rate per 1,000 patient days?

7

0.0175

7000

17.5

38.) Histogram represents:

Variation in a set data

Relationship between two variables

Trend

Special Cause Variation

39.) Medication error in facilityA 50%, B- 40%, C- 30%, D- 80%To make interpretation of data we must know

Numerator and Denominator

Mode of error

Day of errors

Staff ratio

40.) The hospital aggregated data find that there is a defect in a process of occurrence reporting, the hospital decided to develop an orientation program for the staff, but not enough resources for it. What type of tool help the hospital in finding the targeted population?

Control chart

Flow chart

Pareto

Bar chart

41.) Which of the following would not be considered a discrete variable?

Nurses working in the hospital

Hospitals in a system

Patients with HIV

Infection rate

42.) In a normal probability distribution, the relatioship among the median, mean and mode is that:

They are all equal to the same value

The median and mode have the same value but the mean is different

The median always has the highest value

The mean equals the sum of both the median and the mode

43.) A time sequence chart displaying plotted values of a statistic, including a center line and statistically determined control limits is a:

Process flow chart

Scatter diagram

Run chart

Control chart

44.) A Gantt chart

is used to schedule independent activities

represents an important event in the completion of a project

relates interdependent activities to their completion time

uses footstones and inchstones to represent events of lesser importance

45.) The practice of setting operating targets for a particular function by selecting the top performance levels, either within or outside an organization is known as

Benchmarking

Linkage

Quality

Monitoring

46.) RN Lora measured the customer variable "feelings toward quality of provided care" with the categories very satisfied, satisfied, indifferent, dissatisfied, and very dissatisfied. RN Lora was using which of the following level of measurement?

Ordinal

Nominal

Ratio

Interval

47.) Common cause variation in a specific program is

not concerning since it demonstrates the results are similar and in control

very concerning since it demonstrates that the program is in control but not meeting its goals

not concerning since it demonstrates extreme differences between results

very concerning since it demonstrates the program is out of control

48.) In a scatter diagram, if the data begin to form a straight-line pattern, this evidence that:

there is a correlation between the two variables

there is no correlation between the two variables

No conclusion can be reached regarding correlation

Data were incorrectly plotted