ATI TEAS- SCIENCE- URINARY SYSTEM
EXAM QUESTIONS WITH CORRECTION
ANSWERS
Kidneys - Answer-What are the main organs of the urinary system?
Waste excretion, regulate blood volume, regulate blood pH, regulate blood pressure,
regulate electrolytes, regulate metabolites - Answer-What are some of the functions of
the urinary system?
Kidneys - Answer-Produce urine; filters waste from the blood; maintains the electrolyte
balance in the blood; and regulate blood volume, pressure, and pH
Ureter - Answer-Transports urine from renal pelvis → bladder
Bladder - Answer-Stores urine
Urethra - Answer-Conducts urine from bladder → outside of body
95% water, 5% solids - Answer-What is urine made up of?
Urea, Uric Acid - Answer-What are organic components of urine?
Toxins, Salts - Answer-What are inorganic components of urine?
Renal Cortex → Renal Medulla → Renal Pelvis - Answer-What is the structure of the
kidney from outer to inner?
Proximal Tubule → Loop of Helene → Distal Tubule → Collecting Duct → Renal Pelvis -
Answer-What is the direction of urine in the nephron?
Water - Answer-What does the descending part of the loop of helene filter?
Solutes - Answer-What does the ascending part of the loop of helene filter?
ADH - Answer-Hormone produced that signals the shut down flow of water to outside of
body; hold onto
True - Answer-True or false; the urinary system is responsible for regulating salt and
water balance in blood?
Renal Medulla - Answer-A set of cone-shaped masses of tissue that secretes urine into
tiny-sac like tubules (innermost)
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