Answer:
An automated blood pressure monitor at the grocery store.
Step-by-step explanation:
A automated blood pressure monitor is a digital blood pressure meter, also called Sphygmomanometer. This device is used to measure the blood pressure, that's why Lilia should by this technology, it will help her to manage her high blood pressure. She will be able to measure it every day and be aware of any problem.
Other options aren't gonna help Lilia to manage her high blood pressure, they are not tools for it. An app, an emergency nurse or a satellite don't fit to Lilia's needs. For example, an emergency nurse is not viable because Lilia is just monitoring and managing her high blood pressure, a emergency nurse is needed if Lilia is not able to watch the device, or put it on herself, which is not the case.
Therefore, the correct answer is the first option.