Your Middle-Aged Aunt Says That She Always Feels More "Tipsy

question 124

Multiple Choice

Your middle-aged aunt says that she always feels more "tipsy" than her same-size husband,even though their alcohol intake is the same.You respond by saying to your aunt:

• A)"Men have greater amounts of liver acetaldehyde dehydrogenase and so can oxidize the alcohol at a faster rate."
• B)"Women have less stomach alcohol dehydrogenase enzyme and consequently absorb more of the alcohol into the bloodstream."
• C)"Men have greater amounts of alcohol dehydrogenase in the brain,resulting in reduced exposure of brain neurons to alcohol."
• D)"Women have less liver alcohol dehydrogenase and acetaldehyde dehydrogenase and so more alcohol is released into the systemic circulation."

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Definitions:

Phloem

The plant's vascular system responsible for moving sugars and other substances produced during metabolism from the leaves downward.

Springwood

The portion of a tree's annual growth ring that is formed in the early part of the growing season, characterized by larger and less dense cells than those produced later in the season.

Conducting Cells

Cells in plants that form the tubes for transporting water, minerals, and nutrients, namely xylem and phloem cells.

Sieve Tubes

A series of tube-like structures found in plants that are part of the phloem and responsible for transporting sugars and other organic nutrients.