Urinary System

What are the main excretory organs?

• bladder

• kidneys

• ureters

• urethra

The process of artificially filtering the blood to remove waste is known as

• kidney failure

• kidney stones

• lithotrypsy

• dialysis

The urine passes through the __________ as it passes out of the body.

• urethra

• ureters

• bladder

• kidney

Urine production takes place in the:

• nephrons
• bladder
• ureter
• renal pelvis

In homeostasis, the kidney regulates the:

• levels of electrolytes 
• amount of water in the body
• pH
• all of the above

Which stage of urine production involves returning water, nutrients, and electrolytes to the bloodstream?

• filtration
• excretion
• secretion
• reabsorption 

Which stage of urine production involves the removal of substances from the bloodstream?

• reabsorption
• excretion
• filtration
• secretion

What C-shaped structure in the nephron surrounds the glomerulus?

• Bowman's capsule
• bladder
• renal pelvis
• hilum

What is the function of ADH?

• decreases reabsorption of water and salts
• increases reabsorption of hydrogen ions
• increase reabsorption of salts
• increases reabsorption of water 

The proximal convoluted tubule in the nephron aids in:

• Reabsorption
• Secretion
• Filtration
• Urination