Vignette Donna Is a 22-Year-Old College Student on the Tennis

question 25

Multiple Choice

Vignette Donna is a 22-year-old college student on the tennis team. She prides herself on staying in shape but often eats empty-calorie meals when she is in a rush. She knows that some family members have had different kinds of cancer and is curious to find out what steps, if any, she can reduce her risks. She visits a reputable site on the Internet and gleans several useful suggestions that she plans on implementing. Let's see if you agree with her new found information.
Among Donna's favorite foods are hot dogs and the traditional cured ham featured in her mother's Sunday dinners. What type of cancer is associated with high intakes of Donna's favorites?

• A) colon
• B) esophagus
• C) liver
• D) stomach
• E) pancreas

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Definitions:

Bases

Substances that accept protons according to the Brønsted-Lowry definition or donate electrons in the Lewis definition, commonly displaying a pH greater than 7.

Buffers

Substances that minimize changes in the pH of a solution when an acid or base is added to it, helping to maintain stability in biological systems.

α-Helix

A common motif in the secondary structure of proteins, characterized by a right-handed coiled or spiral shape, where the amino acid residues are arranged in a helical structure.

Secondary

Pertaining to a secondary stage or level, implying it follows a primary stage and usually is dependent on or results from it.