In What Part of the World Did the Mutation for Lactose

question 49

Multiple Choice

In what part of the world did the mutation for lactose tolerance first appear?

• A)Northern Europe
• B)Eastern Asia
• C)South America
• D)North America

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Definitions:

Negative Pressure

A condition where the pressure in a specified environment is lower than the surrounding atmosphere, often used in wound healing or isolation rooms to prevent contamination.

Nonblanchable Erythema

A red mark on the skin that doesn’t turn white (blanch) when pressed, indicating potential skin damage or pressure ulcer.

Reactive Hyperemia

An increase in blood flow to an area of the body following a period of ischemia or lack of blood supply.

Purulent Drainage

A type of discharge from a wound that is often thick, yellow, green, or brown and is a sign of infection.