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Questions and Answers
What is the meaning of the combining form 'cyst/o'?
What is the meaning of the combining form 'cyst/o'?
- Bladder (correct)
- Ureter
- Kidney
- Glomerulus
What does the combining form 'nephr/o' refer to?
What does the combining form 'nephr/o' refer to?
- Kidney (correct)
- Ureter
- Glomerulus
- Bladder
What is the meaning of 'urethr/o'?
What is the meaning of 'urethr/o'?
- Bladder
- Urethra (correct)
- Kidney
- Glomerulus
What is the meaning of the term 'nephromegaly'?
What is the meaning of the term 'nephromegaly'?
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What is the purpose of the suffix '-iasis'?
What is the purpose of the suffix '-iasis'?
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Study Notes
The Urinary System
- Consists of kidneys, ureters, bladder, and urethra
- Urethra has distinct functions depending on the sex (gender) of the individual
Functions
- Eliminate waste products from the body
- Maintain homeostasis, or a constant internal environment
- Maintain constant concentrations of salt, water, and acids
Blood Flow in the Kidneys
- Blood enters the kidneys through the renal arteries
- Blood leaves the kidneys through the renal veins
Filtration in the Kidneys
- Blood is filtered in the glomerulus
- Glomerulus is part of the functional unit of the kidney called the nephron
- Nephrons are contained within the renal cortex and renal medulla
Urine Storage and Elimination
- Urine is stored in the bladder until there is enough pressure to cause it to enter the urethra
- Urethra carries urine from the bladder to the outside
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