The Food and Drug Administration Wishes to Determine Whether the Claim

question 5

Multiple Choice

The Food and Drug Administration wishes to determine whether the claim that Vitamin C prevents colds has any truth. In a clinical drug trial, 30 subjects were randomly assigned to either the Vitamin C group (receiving a daily supplement of the minimum daily requirement) or the placebo group (who received no supplement but did get a placebo pill) . The number of self-reported colds is recorded after 3 years. $\begin{array}{cc}\text { Vitamin C } & \text { Placebo } \\\hline 3 & 8 \\8 & 8 \\6 & 7 \\7 & 10 \\4 & 11 \\9 & 4\\2 & 3 \\5 & 7 \\7 & 6 \\11 & 8 \\10 & 4 \\8 & 10 \\7 & 6 \\6 & 8 \\7 & 5\\\hline\end{array}$
-What significance level should be reported?

• A)p < .05
• B)p < .01
• C)p < .001
• D)p > .05

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Definitions:

Caveolae

Small, flask-shaped invaginations in the plasma membrane of cells, involved in processes like signal transduction and endocytosis.

Plasma Membrane

The cell is encased in a lipid bilayer membrane, which regulates the entry and exit of materials.

Ion Channels

Protein structures in cell membranes that allow ions to flow in and out of cells, crucial for various cellular processes including signal transmission and muscle contraction.

Increased Vascularity

A condition or process characterized by an increase in the number of blood vessels in a specific area, often associated with healing or growth.