1) The urinary system does all of the following except

A- Helping to stabilize blood pH

B- Excreting excess albumin molecules

C- Regulating blood volume

D- Regulating plasma concentrations of electrolytes

2) Which of the following activities is notrelated to kidney function?

A- lipid digestion

B- control of wastes in the blood

C- regulation of blood pressure

D- maintenance of various blood ion concentrations

3) The excretory functions of the urinary system are performedby the

A- ureters

B- urinary bladder

C- kidneys

D- urethra

4) Glomerular (Bowman's) capsule and the glomerulus make upthe

A- renal corpuscle

B- renal pyramid

C- nephron loop (loop of Henle)

D- Collecting tubule system

5) The region known as the macula densa is part of

A- the collecting duct.

B- the nephron loop (loop of Henle)

C- the proximal convoluted tubule.

D- the distal convoluted tubule.

6) The cells of the macula densa, the juxtaglomerular cells, andthe extraglomerular mesangial cells form the

A- nephron loop (loop of Henle).

B- afferent arteriole

C- renal corpuscle

D- juxtaglomerular complex