What components make up the IPG of a pacemaker?

The correct answer identifies the primary elements that constitute the Implantable Pulse Generator (IPG) of a pacemaker. The IPG is essential for the device’s operation and includes a battery, circuitry, and connector(s).

The battery provides the necessary power for the device, ensuring that it can function over extended periods without needing replacement. The circuitry is integral to processing the electrical signals, and it controls the timing and delivery of electrical impulses to the heart. The connectors serve as the interface between the IPG and the pacing leads, allowing for the transmission of electrical impulses to the cardiac tissue.

In contrast, the other options relate to different aspects of medical devices or technology that are not specifically components of the IPG in a pacemaker. For instance, transmitters and receivers generally pertain to wireless communication systems rather than the internal workings of an IPG. Similarly, a control unit or display might be found in devices that require user interactions but are not part of the core functionality of a pacemaker's IPG. Lastly, elements such as chargers and antennas are associated with devices requiring external connectivity or power management, which do not directly contribute to the pacemaker's operation.