Test your medical IQ with this Heart Disease Quiz. Thanks to the folks at Medicine.Net who created this great quiz and important heart health facts. See how many you can answer correctly… Q1: In the US, 1 in every ___ deaths is caused by heart disease. A: 4 Explanation: Heart disease causes the deaths of over half a million people in the US annually, which totals a quarter of all deaths in men and women each year. Approximately three quarters of a million US heart deaths are