25. The Urinary System

In the context of the nephron, the functional unit of the kidney is the:

The descending limb of the nephron loop is impermeable to the movement of which substance out of the tubule?

In the nephron, what structures make up the renal corpuscle?

Which structure in the nephron, as shown in Figure 26-2, is primarily responsible for the filtration of blood?

The functional unit of the kidney is the:

What is the primary function of the loop of Henle in the nephron?

Which choice describes the countercurrent mechanism of the nephron loop?

In which region of the nephron is a steep osmotic gradient created?

Which structure do the collecting ducts empty directly into?

Which of the following correctly matches a region of the nephron with its primary function?

In renal anatomy, what is the name of the functional unit of the kidney responsible for filtering blood and forming urine?

Which structure of the nephron is primarily responsible for filtering blood?

In the context of the nephron, the basic working (functional) unit of the kidney is called the:

A nephron consists of which two main parts?

Approximately how many nephrons are found in a single human kidney?