A Letter Is Drawn from the Alphabet of 26 Letters

question 7

Multiple Choice

A letter is drawn from the alphabet of 26 letters. What is the probability that the letter drawn is a vowel?

• A) 5/26
• B) 1/26
• C) 4/26
• D) 21/26

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Definitions:

Marginal Artery

An artery that runs along the inner border of the colon, providing blood supply to the large intestine.

Circumflex Artery

A coronary artery that encircles the heart muscle, supplying blood and oxygen to the left atrium and the side and back of the left ventricle.

Bicuspid Valve

Another term for the mitral valve, located between the left atrium and left ventricle of the heart; it has two flaps (cusps).

Aortic Semilunar Valve

A valve in the heart between the left ventricle and the aorta that prevents blood from flowing back into the ventricle.