What do measures of central tendency describe?

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Question 1 of 5

A. Extent to which data points are scattered B. Graphical representation of a distribution C. Average distance from the mean D. Typical or middle data point

Correct Answer: D

Rationale: Measures of central tendency identify the center of a dataset.

Question 2 of 5

Successful continued positive impact of simulation programs depends on all the following actions EXCEPT:

A. assessing whether the program's goals and objectives are fulfilled. B. repeating the same curriculum to staff to improve performance. C. encouraging instructors to attend national conferences on simulation or quality improvement. D. inviting departmental and institutional key stakeholders to observe simulation training.

Correct Answer: B

Rationale: Repeating the same curriculum without adaptation limits improvement; ongoing evaluation and updates are key.

Question 3 of 5

A Collaborative team is recruited aimed at reducing inappropriate admissions in a community hospital. An ideal senior leader role in the collaborative team should be filled by someone who

A. holds authority over the areas affected by the change and has an ability to allocate resources to the effort. B. is a practicing physician and an opinion leader respected by his or her peers. C. holds responsibility for making day-to-day decisions and for driving the project internally. D. holds authority over physician staff and has the ability to influence physician behavior.

Correct Answer: A

Rationale: A senior leader with authority and resource control can effectively drive change.

Question 4 of 5

Using the table from the previous question (Q-232), which aspect of blood utilization would you recommend first for further investigation?

A. Typing and cross-matching B. Units wasted C. Single-unit transfusions D. Use of whole blood

Correct Answer: B

Rationale: Units wasted often indicate inefficiencies or over-ordering, warranting initial investigation.

Question 5 of 5

Intensive analysis in quality improvement

A. applies only to peer review B. is an automatic indication of a problem C. means the trigger is never set at 0% D. includes all defined sentinel events

Correct Answer: D

Rationale: Sentinel events, being serious, require intensive analysis to improve quality.

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What do measures of central tendency describe?

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