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-STORE

Answer

C-MOVE

Answer

C-ECHO

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

It initiates a DICOM association to request a service

Answer

It compresses images before transmission

Answer

It validates HL7 messages for PACS ingestion

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

Encrypt DICOM images during modality acquisition

Answer

Synchronize PACS hardware clocks

Answer

Perform automated quality control on image datasets

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

Installing a thick DICOM viewer on every clinic workstation

Answer

Burning studies to CD for courier delivery

Answer

Configuring a VPN with direct PACS database access

Question 5

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

Accepted Answer

Radiology Information System

Answer

Remote Image Server

Answer

Radiographic Imaging Software

Answer

Rapid Integration Suite

Question 6

Which protocol is used to retrieve DICOM objects from a PACS using a RESTful HTTP-based approach?

Accepted Answer

WADO-RS (Web Access to DICOM Objects via RESTful Services)

Answer

DIMSE (DICOM Message Service Element)

Answer

SFTP (Secure File Transfer Protocol)

Answer

HL7 MLLP (Minimal Lower Layer Protocol)

Question 7

When configuring a DICOM Application Entity (AE) title, which element uniquely identifies a DICOM device on the network?

Accepted Answer

AE Title combined with hostname/IP and port number

Answer

IP address alone

Answer

MAC address of the network adapter

Answer

Serial number of the imaging device