In an Experiment Examining the Level of UV-B Radiation on the Incidence

question 44

Multiple Choice

In an experiment examining the level of UV-B radiation on the incidence of skin cancer, the level of UV-B radiation would be the _____________.

• A) independent variable
• B) dependent variable
• C) non-independent variable
• D) control variable
• E) extraneous variable

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Definitions:

Parasympathetic Preganglionic Axons

Nerve fibers originating in the central nervous system that extend to a ganglion in the parasympathetic part of the autonomic nervous system.

Sacral Region

The area of the lower back and pelvis, encompassing the five sacral vertebrae fused together to form the sacrum.

Splanchnic Nerves

A group of nerves that innervate the viscera (internal organs), playing a crucial role in the autonomic nervous system.

Pelvic Nerves

Nerves located in the pelvis that innervate the lower abdomen, genitals, and parts of the lower back and legs.