An echocardiogram (an ultrasound of the heart) on a 72 year old male, reveals backflow of blood into the left ventricle. Which of the following is the most likely diagnosis documented on the chart?

By the end of the twentieth century, Nevada ranked _________ in the world in gold production.

When Nevada legalized gambling in 1931, what headline appeared in the Chicago Tribune?

What was the second-story restriction in early Nevada gambling?

What Nevada prize fight(s) between an African American fighter and a white fighter was promoted by Goldfield publicists (including George Graham Rice) as a way to attract attention to Goldfield business interests? 

What theme did the earliest Las Vegas casinos have? 

What was the first resort casino on the Las Vegas strip?

What multimillionaire bought numerous Las Vegas casino properties in the late 1960s and played a role in reducing the organized crime influence in Las Vegas casino ownership?

What new mining camp discovered in 1900 ended Nevada’s mining depression?

What Nevada mine promoter was famously arrested and charged with enormous fraud in the advertisement and sale of mining stocks?