AHIC Interoperability 5

Question 1

An affiliated clinic and hospital assign different medical record numbers to the same patient. Which IHE profile cross-references these identifiers across domains?

Accepted Answer

PIX

Answer

The IHE Patient Identifier Cross-Referencing (PIX) profile links a patient's identifiers across multiple identifier domains.

Question 2

In an IHE XDS.b affinity domain, what is the role of the document registry?

Accepted Answer

It indexes document metadata so documents can be located

Answer

The XDS registry holds searchable metadata and pointers, while repositories store the documents themselves.

Question 3

A web-based viewer must retrieve radiology images from a PACS over RESTful services. Which standard family is the most appropriate?

Accepted Answer

DICOMweb

Answer

DICOMweb defines RESTful services, such as WADO-RS, for retrieving DICOM imaging objects over HTTP.

Question 4

A primary care practice sends a referral summary directly to a specialist's address through a HISP. Which mechanism is the Direct Project based on?

Accepted Answer

SMTP email secured with S/MIME and X.509 certificates

Answer

Direct secures push messaging between known participants using SMTP, S/MIME encryption, and X.509 certificates.

Question 5

An enterprise master patient index links records from two different people because their demographics are nearly identical. What is this error, and why does it matter?

Accepted Answer

A false positive that can combine clinical data unsafely

Answer

A false positive match wrongly links different patients and can expose clinicians to another person's allergies, medications, or results.

(AHIC) AMIA Health Informatics Certification Practice Test

(AHIC) AMIA Health Informatics Certification Practice Test

AHIC Interoperability 5