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The informatics nurse is working on a chart to demonstrate the increasing incidence of obesity in the patient population at a health clinic. The data will represent patients who are of normal weight, overweight, obese, and morbidly obese, and it will include the percentage of the total population for each group. This type of data is most effectively represented by a:
- A. bar chart.
- B. column chart.
- C. line chart.
- D. pie chart.
Correct Answer: D
Rationale: A pie chart is ideal for showing the proportion of each category (e.g., normal weight, obese) as a percentage of the total population.
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The informatics nurse violates a patient's legal right to privacy and confidentiality, by:
- A. discussing a patient's diagnosis with an authorized family member.
- B. discussing care-related information with the patient's physical therapist.
- C. looking up a colleague's diagnosis and laboratory results while he or she is hospitalized.
- D. providing a handoff report containing patient information to another department.
Correct Answer: C
Rationale: Accessing a colleague's health information without a legitimate care-related reason violates HIPAA and the patient's right to privacy and confidentiality.
The foundation of strategic system planning begins with a review of the:
- A. existing computing environment.
- B. health care industry.
- C. information system plan.
- D. organization's business mission.
Correct Answer: D
Rationale: Strategic system planning starts with aligning IT initiatives with the organization's business mission to ensure that technology supports organizational goals.
What is the most common risk to patient privacy and confidentiality?
- A. An organization's employees.
- B. Inadequate firewall protection.
- C. Inadequate system design.
- D. Viruses, worms, and Trojan horses.
Correct Answer: A
Rationale: Employees, through intentional or unintentional actions (e.g., unauthorized access or mishandling data), pose the most significant risk to patient privacy and confidentiality.
In promoting change, the people who are recognized as opinion leaders and role models are known as:
- A. early adopters.
- B. early majority.
- C. innovators.
- D. risk takers.
Correct Answer: A
Rationale: Early adopters are individuals who embrace new technologies or changes early and serve as opinion leaders and role models, influencing others in the adoption process.
System analysis is the process by which:
- A. data is collected from various sources.
- B. requirements are gathered and problems are identified.
- C. a blueprint is created for hardware and software.
- D. data is transformed into a usable form.
Correct Answer: D
Rationale: System analysis involves evaluating and transforming data into a usable form to understand system requirements and identify issues.