Chpt 20 Quiz 2

Where are the paired kidneys located?

• Against the anterior wall of the abdominal cavity

• Behind the parietal peritoneum

• In front of the stomach

• On either side of the urinary bladder

What is the correct sequence of renal tubule segments through which filtrate would flow?

• Distal tubule, ascending limb of nephron loop, descending limb of nephron loop, proximal tubule

• Proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule

• Proximal tubule, ascending limb of nephron loop, descending limb of nephron loop, distal tubule

• Collecting duct, proximal tubule, descending limb of nephron loop, ascending limb of nephron loop, distal tubule

During prolonged fasting, the kidneys produce glucose from noncarbohydrate sources.

• True

• False

If the osmotic pressure of the blood is decreased, the glomerular filtration rate is increased.

• True

• False

What vascular structure is located between the afferent and efferent arterioles?

• Cortical radiate artery

• Peritubular capillaries

• Vasa recta

• Glomerulus

What are the organs of the urinary system?

• The paired kidneys, paired ureters, a bladder and a urethra.

• The glomerular capsule, proximal convoluted tubule, the nephron loop, distal convoluted tubule, and the collecting duct.

• The renal cortex, renal pelvis, and renal medulla.

• The major and minor calyces, renal pelvis, and renal sinus.

Where does most of the sodium resorption occur?

• Collecting duct

• Proximal convoluted tubule

• Glomerular capsule

• Distal convoluted tubule

Which of the following is NOT a function of the kidneys?

• Maintaining volume, pH, and composition of body fluids within normal ranges

• Removal of metabolic wastes

• Removal of excess chemicals

• Synthesis of plasma proteins

Sympathetic nerve impulses usually cause proportional degrees of vasodilation in the afferent and efferent arterioles.

• True

• False

Which of the following would increase the rate of glomerular filtration?

• Increased blood pressure

• Dilation of the efferent arteriole

• Decreased blood pressure

• Constriction of the afferent arteriole