WGU C431 PA Questions & Answers
The U.S. Centers for Disease Control and Prevention has reported that hospital-acquired
infections affect up to 1 in 25 patients, leading to significant patient morbidity and mortality.
Why should evidence-based practice be applied to address this issue? – ✔✔Because it applies
scientific evidence from peer-reviewed clinical research.
A skilled nursing facility administrator has noticed that patient satisfaction scores are low when
compared to the national average.
Why should evidence-based practice be used to improve these patient scores? – ✔✔It focuses on
the delivery of patient-centered care.
A clinical manager at a community health center has asked an intern to develop a pilot study on
the effectiveness of two alternative approaches to breast cancer education. The intern wants to
measure the knowledge women have about breast cancer before and after the distribution of a
brochure or before and after a session with the physician.
Which methodology will provide information about the effectiveness of one cancer education
method over the other? – ✔✔Evaluating participants’ knowledge
A researcher wanted to investigate the effects of fast food restaurant availability on the local
adult obesity epidemic over a period of five years. The hypothesis is that in a specific zip code
the number of fast food establishments is positively associated with the number of obese adults.
All fast food locations in a certain zip code have been identified, and physicians have been
contacted to provide each patient’s de-identified age, gender, height, weight, and body mass
index (BMI). Patients will be placed in groups according to their weight and height.
Which type of research was conducted? – ✔✔Quantitative cohort study
The vice president of nursing at a large hospital is reviewing patient satisfaction scores from a
recent survey that asked a series of questions about how patients felt about the care received.
Which type of survey methodology was utilized in this study? – ✔✔Quantitative
A pharmaceutical company is currently testing a new drug. The physicians in the study do not
know if they are prescribing the new drug or a previously used medication.
Which type of research methodology is being used? – ✔✔Randomized control trial
A chief of medicine is reviewing the current treatment protocol for simple pneumonia patients.
New medications are available that might improve patient outcomes and reduce the inpatient
stay. The chief of medicine asks an assistant to contact the pharmacist to research possible
benefits for these new medications and the impact on the treatment protocol.
Which evidence-based practice process step is demonstrated in this situation? – ✔✔Performing
the search
Recent employee surveys at a local hospital have indicated that the nursing staff, particularly the
staff on the third shift, has a much lower-than-average job satisfaction rating. Given the time and
cost involved to hire and train replacement nurses, the vice president of nursing has contacted the
vice president of human resources to discuss the situation.
Which stage of the evidence-based process is this? – ✔✔Recognize the need for information
A clinical manager of a hospital’s tobacco cessation program is seeking new, effective clinical
guidelines.
Which source should the manager consult? – ✔✔Agency for Healthcare Research and Quality
The chief financial officer has asked an administrator to confirm the incentive payment schedule
and amount for eligible professionals who adopt an electronic health record and can demonstrate
its meaningful use.