Exam 15: The Urinary System

Aldosterone is secreted in response to changes in

Blood volume is controlled through a negative feedback mechanism that involves several intermediate molecules; ________ not only stimulates the release of aldosterone but also causes vasoconstriction.

Given the following events involved in the regulation of blood volume, which one of the following answers best represents the order in which these events occurs? 1. sodium reabsorbed from distal tubules and collecting ducts 3) secretion of renin from juxtaglomerular apparatus 2) secretion of aldosterone 4) decrease in blood volume 5) production of angiotensin II

When urine leaves the kidneys, it enters the

Renin is secreted by which one of the following structures?

Using the letter choices on the figure above, identify the organs of the urinary system. -stores urine until it is excreted out of the body

The capillaries that serve as the major blood supply to the kidneys are called the

Using the letters on the figure above, identify the sections of the nephron. -filters plasma from glomerulus

Using the letter choices on the figure above, identify the organs of the urinary system. -location of nephrons, which filter blood to remove wastes and retain essential solutes

The nitrogenous waste ammonia is usually converted to a less toxic substance known as