The American Population in 1900 Can Best Be Described as

question 109

Multiple Choice

The American population in 1900 can best be described as

• A) ethnically and racially mixed.
• B) reaching nearly 76 million people.
• C) one in seven people were foreign-born.
• D) None of these
• E) All of these

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Definitions:

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta, preventing blood from flowing back into the heart.

Heart Sound

Sounds produced by the closing of heart valves during the cardiac cycle; typically described as a "lub-dub" sound.

Heart Murmur

An unusual or abnormal sound heard between heartbeats, which can be innocent or indicate a heart problem.

Extra Heart Beat

An additional heartbeat that occurs outside of the normal rhythm, also known as premature contraction.