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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.
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Because several disciplines support the foundation of informatics nursing, it is important for the informatics nurse to understand that:
- A. informatics nursing differs from other disciplines, as it focuses on supporting the process of obtaining data.
- B. informatics nursing uses the concepts, tools, and methods of various disciplines to facilitate nursing process.
- C. information technology and nursing technology are synonymous, as they have the same goal.
- D. the boundaries between the various disciplines are clearly defined.
Correct Answer: B
Rationale: Informatics nursing integrates concepts, tools, and methods from multiple disciplines (e.g., computer science, information science, and nursing) to support the nursing process, rather than focusing solely on data collection or having synonymous goals with IT.
The basic network protocol that determines the rules used to create and route packets of data between computers is:
- A. HL7.
- B. URL.
- C. TCP/IP.
- D. XML.
Correct Answer: C
Rationale: TCP/IP (Transmission Control Protocol/Internet Protocol) is the fundamental protocol suite that governs how data packets are created, transmitted, and routed across networks, including the internet.
The problems of an existing system have been identified, along with possible solutions. What is the next step in the systems analysis stage?
- A. A feasibility study.
- B. Requirements gathering.
- C. Systems design.
- D. Systems testing.
Correct Answer: A
Rationale: After identifying problems and solutions, a feasibility study assesses whether proposed solutions are practical and viable before proceeding.
What type of testing is performed on functionally grouped components to ensure that the subset works with the entire system?
- A. Integration.
- B. System.
- C. Unit.
- D. User acceptance.
Correct Answer: A
Rationale: Integration testing verifies that functionally grouped components work together seamlessly within the larger system.
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.