Data Analytics and Data Management Flashcards
7 cards from real AHIC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Analytics and Data Management flashcards as text
A hospital is integrating lab results from multiple EHR systems that use different LOINC codes for the same test. Which interoperability layer does this problem primarily affect?
Answer: Semantic interoperability
Semantic interoperability ensures that data shared between systems carries the same meaning, requiring standardized terminologies like LOINC to be consistently applied.
Which statistical measure is most resistant to the influence of extreme outlier values in a clinical dataset?
Answer: Median
The median is the middle value and is not affected by extreme outliers, making it more robust than the mean for skewed clinical distributions.
In a clinical decision support system, a rule fires an alert for every fifth patient, regardless of clinical relevance. This is an example of which problem?
Answer: Alert fatigue from low specificity
Alert fatigue occurs when too many low-specificity alerts fire, causing clinicians to ignore or override them, reducing patient safety benefit.
Which NoSQL database model stores data as key-value pairs and is best suited for session management and real-time caching in health IT applications?
Answer: Key-value store
Key-value stores offer O(1) lookup by key and are ideal for high-speed caching and session data where only simple retrieval by identifier is needed.
What does the term 'data lineage' refer to in a health data management context?
Answer: The audit trail showing where data originated and how it transformed over time
Data lineage documents the origin, movement, and transformation of data through systems, enabling traceability and root-cause analysis of data quality issues.
A health analytics team uses k-means clustering on patient records without labels. Which type of insight can this analysis NOT directly provide?
Answer: Prediction of a specific patient's diagnosis
K-means is unsupervised and produces clusters but cannot predict a specific labeled outcome like a diagnosis without a supervised model trained on labeled data.
Under the HIPAA Security Rule, which safeguard category requires covered entities to implement workforce training and access management procedures?
Answer: Administrative safeguards
Administrative safeguards encompass policies and procedures for workforce conduct, training, access authorization, and incident response under the HIPAA Security Rule.