Correct Answer: B

Rationale: A flat database stores data in a single table with no relationships between different data elements. Relational databases involve multiple linked tables, while network and hierarchical databases have more complex structures.

Correct Answer: A

Rationale: Red throat and fever are classic symptoms of acute pharyngitis due to inflammation.

Correct Answer: A

Rationale: The primary goal of implementing an electronic documentation system is to enhance patient safety, improve clinical decision-making, and ultimately improve health outcomes. Enhanced ability to extract information and availability of an audit trail are secondary benefits. Decreased decentralization is not a typical goal or benefit of electronic documentation systems.

Correct Answer: C

Rationale: Cyberchondria is a term used to describe heightened anxiety that arises from compulsively searching for health-related information online, often leading to unnecessary worry about potential health conditions. It is not classified as a personality disorder. While individuals with cyberchondria do search for health information online, the defining feature is the anxiety caused by these searches. It is not typical of most consumers; it is specific to individuals with excessive and anxiety-driven search behaviors.

Correct Answer: A

Rationale: CINAHL (Cumulative Index to Nursing and Allied Health Literature) is the most widely used database by nursing professionals for research and evidence-based practice. ANA is an organization, Socinfo focuses on social sciences, and Medic is not a recognized database.