If We Were to Design an Experiment to Test the Hypothesis

question 6

Multiple Choice

If we were to design an experiment to test the hypothesis that aspirin takes headaches away, the independent variable would be _____ and the dependent variable would be _____

• A)headaches; aspirin.
• B)aspirin; Tylenol.
• C)aspirin; headaches.
• D)measured; manipulated.

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Definitions:

White Blood Cells

Cells of the immune system involved in defending the body against both infectious disease and foreign materials.

Myelin

Fatty material produced by neuroglial cells; insulates axons and thus speeds conduction of action potentials.

Neuroglial Cells

Supportive cells in the nervous system that provide insulation, nutrients, and structural support for neurons, and participate in signal transmission.

Myelin

A fatty covering that insulates nerve fibers in the brain, spinal cord, and peripheral nerves, speeding the transmission of nerve impulses.