Urinary System Flashcards by Daniel Maloney

Q

What are the organs of the urinary system?

A

kidneys
ureters
bladder
urethra

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Q

What does the urinary system do?

A

excretion of metabolic waste
elimination of waste
homeostasis (volume & solute concentration of blood)

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Q

What does the urinary system do?

A

excretion of metabolic waste
elimination of waste
homeostasis (volume & solute concentration of blood)

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Q

What do kidneys do?

A

produce urine
regulate homeostasis

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Q

What artery is connected to the kidneys?

A

renal artery

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Q

What are some points about blood flow volume to kidneys?

A

they receive about 20 - 25% cardiac output
about 1.2L of blood per min flows through kidneys

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Q

What is the operating unit of the kidney?

A

Nephron (microscopic functional unit, two types)

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Q

What are the three parts of urine formation?

A

filtration (through glomerular capillaries)
reabsorption
secretion

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Q

What are the four parts of a nephron?

A

corpuscle (removes plasma proteins)
proximal (water, glucose, sugars and ion reabsorption)
loop (Na+ and Cl- ions reabsorbed)
distal (H+ ions, creatine, drugs and toxins secreted)

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