Which of the Following Ion Exchanges Occur in the Distal

question 18

Multiple Choice

Which of the following ion exchanges occur in the distal convoluted tubule?

• A) Na⁺ for H⁺ and Na⁺ for HCO₃^-
• B) Na⁺ for H⁺ and Na⁺ for Cl^-
• C) Na⁺ for H⁺ and Na⁺ for K⁺
• D) Na⁺ for Ca⁺ and Na⁺ for K⁺

---

Definitions:

Allowance Method

An accounting technique used to estimate bad debts and adjust accounts receivable to reflect only receivables expected to be collected.

Uncollectible Account

A receivable that a company has deemed unlikely ever to be collected and is therefore written off as a bad debt expense.

Trade Accounts Receivable

Amounts owed by customers to a business, specifically from sales transactions.

Net Realizable Value

The estimated selling price of goods, minus the costs of their completion and sale.