CRE CRE Research & Evidence-Based Practice

Question 1

In respiratory care education, 'evidence-based practice' is best defined as:

Accepted Answer

Integrating best research evidence with clinical expertise and patient values

Answer

Using only the most recently published studies

Answer

Following manufacturer instructions for all equipment

Answer

Applying government-mandated treatment protocols exclusively

Question 2

Which study design provides the highest level of evidence in clinical research?

Accepted Answer

Randomized controlled trial (RCT)

Answer

Case report

Answer

Prospective cohort study

Answer

Expert consensus opinion

Question 3

In diagnostic testing, 'sensitivity' refers to a test's ability to:

Accepted Answer

Correctly identify individuals with the disease (true positives)

Answer

Correctly identify individuals without the disease (true negatives)

Answer

Predict which patients will develop disease in the future

Answer

Detect the smallest measurable physiological change

Question 4

A p-value of 0.03 in a clinical study means there is a:

Accepted Answer

3% probability the results occurred by chance

Answer

3% chance the study is correct

Answer

97% likelihood the intervention was effective

Answer

97% statistical power in the study design

Question 5

When clinical data is heavily skewed, which measure of central tendency is most appropriate to report?

Accepted Answer

Median

Answer

Mean

Answer

Mode

Answer

Range

Question 6

A systematic review differs from a narrative review primarily because it:

Accepted Answer

Uses predetermined criteria to identify and critically appraise studies

Answer

Is authored by a single recognized expert

Answer

Includes only randomized controlled trials

Answer

Restricts literature to the past 5 years only