Which Is the Correct Equation Showing What Happens When Blood $\rarr$

question 28

Multiple Choice

Which is the correct equation showing what happens when blood enters the lungs under normal circumstances?

• A)Hydrogen ions + bicarbonate ion \(\rarr\) water + carbon dioxide \(\rarr\) carbonic acid
• B)Hydrogen ions + bicarbonate ion \(\rarr\) carbonic acid \(\rarr\) water + carbon dioxide
• C)Water + carbon dioxide \(\rarr\) hydrogen ions + bicarbonate ion \(\rarr\) carbonic acid
• D)Water + carbon dioxide \(\rarr\) carbonic acid \(\rarr\) hydrogen ions + bicarbonate ion
• E)Hydrogen ions + carbon dioxide \(\rarr\) carbonic acid \(\rarr\) water + bicarbonate ion

---

Definitions:

Output

The aggregate output of products or services generated by a corporation, sector, or economic system.

Price-Taker Market

A market in which sellers have no ability to influence the price of the goods or services they sell; price is determined by supply and demand.

Marginal Cost

The expense associated with manufacturing an extra unit of a product.

Marginal Revenue

The additional income received from selling one more unit of a good or service.