Final answer:
A blood pressure reading of 140/90 mm Hg indicates high blood pressure, which means the heart is exerting too much pressure on artery walls. Tonya should work with her doctor to manage her blood pressure.
Step-by-step explanation:
The blood pressure reading of 140/90 mm Hg indicates that Tonya has high blood pressure. This means that her heart is exerting too much pressure on her artery walls. High blood pressure, also known as hypertension, can put strain on the heart and increase the risk of stroke and heart attack. It is important for Tonya to work with her doctor to manage her blood pressure through lifestyle changes and possible medication.