There Is an Evolutionary Basis for the Development of Stranger

question 147

Multiple Choice

There is an evolutionary basis for the development of stranger anxiety.Learning to stay close to familiar persons helps infants to ____.

• A) not be abducted by strangers
• B) not follow unfamiliar people so that they become lost
• C) be protected and safe
• D) learn object discrimination

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Definitions:

Plasma Colloid Osmotic Pressure

The pressure exerted by plasma proteins on the capillary walls, influencing the movement of water between capillaries and tissues.

Vasomotor Tone

Relatively constant frequency of sympathetic impulses that keep blood vessels partially constricted in the periphery.

Blood Colloid Osmotic Pressure

The pull exerted by large proteins in the plasma portion of blood that tends to draw water into the circulatory system.

Interstitial Fluid

The fluid that surrounds the cells in tissues, providing a medium for the exchange of substances between blood and cells.