Exhibit 19-4

question 37

Multiple Choice

Exhibit 19-4.Consider the following data on the prices (in dollars) of three items,A,B,and C,from 2000 through 2002. Refer to Exhibit 19-4.If the price of item C in 2002 was 210 instead of 207,calculate the unweighted price index for 2002 for the three items,using 2000 as the base year.

• A)98.09
• B)100.45
• C)102.03
• D)101.94

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Definitions:

Ascending Limb

The portion of the loop of Henle in the nephron that carries fluid from the renal medulla toward the cortex of the kidney, crucial for the concentration of urine.

Active Transport

The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.

Facilitated Diffusion

Carrier-mediated process that does not require ATP and moves substances into or out of cells from a high to a low concentration.

Proximal Convoluted Tubule

The proximal convoluted tubule is part of the nephron in the kidney, playing a crucial role in the reabsorption of water, ions, and nutrients back into the bloodstream.