CPAS System Integration & Interoperability 2

Question 1

Which DICOM service is used by a PACS to query a remote archive for available studies?

Accepted Answer

C-FIND

Answer

C-FIND is the DICOM query service that allows a SCU (Service Class User) to search a remote SCP (Service Class Provider) for matching studies, series, or instances.

Question 2

In DICOM networking, what is the purpose of a Service Class Provider (SCP)?

Accepted Answer

It responds to service requests from a Service Class User

Answer

The SCP is the server-side role that receives and fulfills DICOM service requests, such as storing images (C-STORE SCP) or responding to queries (C-FIND SCP).

Question 3

XDS (Cross-Enterprise Document Sharing) is an IHE profile designed to:

Accepted Answer

Share clinical documents including imaging reports across healthcare enterprises

Answer

IHE XDS enables sharing of clinical documents, including radiology reports and image references, across different healthcare organizations using a registry/repository model.

Question 4

A hospital wants clinicians at an affiliated clinic to view PACS images through their EHR without installing separate viewer software. Which approach BEST supports this goal?

Accepted Answer

Implementing a web-based zero-footprint viewer using WADO-RS or DICOMweb

Answer

A zero-footprint web viewer using DICOMweb standards (WADO-RS, STOW-RS, QIDO-RS) delivers images through any browser without client software installation.

Question 5

What does the acronym RIS stand for in the context of PACS integration?

Accepted Answer

Radiology Information System

Answer

RIS (Radiology Information System) manages scheduling, orders, results reporting, and billing in a radiology department, and is a key integration partner for PACS.

CPAS - Certified PACS Associate Practice Test

CPAS - Certified PACS Associate Practice Test

CPAS System Integration & Interoperability 2