HIMSS Updated CPHIMS Exam Questions and Answers by andy

VoIP (Voice over Internet Protocol) enables voice communication using an internet connection by converting analog voice signals into digital data packets and transmitting them over IP-based networks. In healthcare technology environments, VoIP is widely used for organizational telephony systems, call centers, clinician communications, and unified communications platforms that integrate voice, messaging, and conferencing. Instead of relying on traditional circuit-switched telephone lines, VoIP operates on packet-switched networks, which can reduce infrastructure costs and support mobility (e.g., softphones on workstations and secure mobile apps).

From a healthcare operations and compliance perspective, VoIP implementations typically require careful attention to quality of service (QoS) to minimize latency, jitter, and packet loss—factors that directly affect call clarity and reliability in clinical settings. They also require strong security controls such as network segmentation, encryption where available, authentication, and monitoring to reduce risks like eavesdropping or service disruption. VoIP can also support integrations with clinical workflows (for example, nurse call escalation, on-call scheduling, or contact directory services), improving responsiveness and coordination of care.

The other options listed are not standard, widely recognized technologies for internet-based voice communication in healthcare IT environments, making VoIP the correct answer.

The described capability is authorization —the process of determining what an authenticated user is allowed to access or do within the EHR based on their role, job function, and assigned permissions. Authorization is commonly implemented through role-based access control (RBAC) , where user types (e.g., physician, nurse, pharmacist, registrar, billing specialist) are mapped to permission sets that control specific functions such as ordering medications, signing notes, viewing sensitive charts, editing allergy lists, releasing results, or accessing administrative reports. This is exactly what “discern user types” and “ability to perform certain functions” refers to: differentiating users and enforcing permitted actions accordingly.

By contrast, authentication verifies the user’s identity (e.g., username/password, MFA, badge tap) but does not define what they can do after login. Identity proofing is the process of validating a person’s identity before issuing credentials (often during onboarding or account creation). Provisioning is the administrative workflow of creating accounts and assigning roles/permissions (often via IAM tools), which supports authorization but is not the access decision itself. In healthcare environments, strong authorization is essential for privacy, minimum-necessary access, workflow safety, and compliance, ensuring users can only perform tasks appropriate to their responsibilities.

The Triple Aim is the recognized strategic framework that explicitly targets three linked goals: (1) improving the individual experience of care (quality, safety, and satisfaction), (2) improving the health of populations , and (3) reducing the per-capita cost of healthcare . These three aims are designed to be pursued together because progress in one area can be undermined if the others are ignored—for example, improving patient experience without controlling cost may be unsustainable, while cost cutting that harms outcomes or experience fails the overall purpose of healthcare.

“Population health” (option B) is one component of the Triple Aim, but by itself it does not inherently ensure the other two aims (experience and per-capita cost). “Home health care” (option C) is a care setting/service model that may contribute to better outcomes and lower cost for certain groups, but it is not a comprehensive system-wide framework. “Tertiary care” (option D) refers to specialized, high-complexity services and likewise does not define a three-part improvement strategy.

Therefore, the option that best matches the combined goals in the question is Triple Aim .

Within healthcare information system implementations, formal governance and structured change control are essential components of effective project management. When a critical gap is identified during the requirements phase—particularly one that affects scope, cost, or resource allocation—the appropriate action is to initiate a formal change request process . This ensures that the proposed modification is documented, evaluated, and reviewed through established governance channels before execution.

Creating a change request allows the project manager to formally define the scope impact, cost implications, resource adjustments, timeline changes, risks, and expected benefits. The request is then submitted to key stakeholders, sponsors, or a steering committee for structured review and approval. This aligns with healthcare IT governance best practices, which emphasize transparency, accountability, and executive oversight—especially when budget or strategic objectives are affected.

Option A relates to organizational change management but does not address scope or funding authorization. Option B assumes approval and prematurely adjusts baseline plans without formal authorization. Option D may be useful earlier during gap analysis but does not resolve funding or approval requirements.

Healthcare Information and Management Systems governance principles stress that scope, cost, and resource changes must follow formal change control procedures , making option C the correct and most compliant response.