It's Very Rare for Two Sets of Capillaries to Occur

question 50

Multiple Choice

It's very rare for two sets of capillaries to occur in sequence;what physiological challenge could occur in such a situation?

• A) All the pressure that maintains blood flow would be depleted in the first capillary set.
• B) Blood arriving at a capillary with a low oxygen concentration would pull oxygen from the cells rather than deliver it.
• C) Signaling molecules (a hormone,for example)would be removed at the first capillary;the more distant cells could not be regulated.
• D) The combined production of carbon dioxide from twice as many cells would irreparably damage the red blood cell.

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Definitions:

Behavioral Economics

A field of economics that examines how psychological, cognitive, emotional, cultural, and social factors influence the economic decisions of individuals and institutions.

Neoclassical Economics

An economic thought framework that emphasizes the determination of goods, outputs, and income distributions in markets through supply and demand.

Behavioral Economics

A branch of economics that examines the impact of psychological, cognitive, emotional, cultural, and social influences on the economic choices made by individuals and institutions.

Hedonic Treadmill

The observed tendency of humans to quickly return to a relatively stable level of happiness despite major positive or negative events or life changes.