Exam 24: The Urinary System

The myogenic mechanism reflects the tendency of vascular smooth muscle to stretch.

Match the following: A) Site that drains the distal convoluted tubule B) Blood supply that directly receives substances from the tubular cells. C) Site at which most of the tubular reabsorption occurs D) Site of filtrate formation. -Peritubular capillaries.

Explain what is meant by the terms cotransport process and transport maximum.

The filtration membrane includes all except ________.

The fatty tissue surrounding the kidneys is important because it ________.

The ________ artery lies on the boundary between the cortex and medulla of the kidney.

An older man sees his doctor for severe pain in his lower abdominal or flank area, elevated temperature, and nausea. Exhaustive tests rule out abdominal obstructions and infections. Plain X-rays indicate a radiopaque (whitish) spot in the area of his right ureter. Diagnose his problem. Give suggested treatment and prognosis.

Match the following: A) Site that drains the distal convoluted tubule B) Blood supply that directly receives substances from the tubular cells. C) Site at which most of the tubular reabsorption occurs D) Site of filtrate formation. -Proximal convoluted tubule.

An important characteristic of urine is its specific gravity or density, which is ________.

The macula densa cells respond to ________.

Figure 24.2 Using Figure 24.2, match the following: -Is composed of simple squamous epithelium.

Having a kinked ureter is called renal ptosis.

The act of emptying the bladder is called voiding.

In the absence of hormones, the distal tubule and collecting ducts are relatively impermeable to water.

Which of the following is not associated with the renal corpuscle?

Match the following: A) Site that drains the distal convoluted tubule B) Blood supply that directly receives substances from the tubular cells. C) Site at which most of the tubular reabsorption occurs D) Site of filtrate formation. -Collecting duct.

The trigone is so named because of the shape of the urinary bladder.

Match the following: A) Glomerular capillaries B) Peritubular capillaries C) Efferent arterioles D) Vasa recta E) Afferent arterioles -Low pressure, porous vessels that reabsorb solutes and water from the tubule cells.