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Questions and Answers
Where is the renal pelvis located?
Where is the renal pelvis located?
- Outside the kidney
- Inside the kidney (correct)
- Near the adrenal glands
- Attached to the bladder
What is the function of the kidneys in maintaining balance in the body?
What is the function of the kidneys in maintaining balance in the body?
- Maintaining electrolyte, water, and acid-base balances (correct)
- Regulating blood pressure only
- Filtering out toxins from the blood
- Producing and excreting urine
What is uremia?
What is uremia?
- A type of kidney stone
- A hormone produced by the kidneys
- Normal waste elimination process in the body
- Accumulation of metabolic wastes to toxic levels in blood due to excretion failure (correct)
Where are the kidneys located in relation to the back muscles?
Where are the kidneys located in relation to the back muscles?
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What is the function of a nephron?
What is the function of a nephron?
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Where is the renal pelvis located?
Where is the renal pelvis located?
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What is the function of the renal corpuscle?
What is the function of the renal corpuscle?
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What is the primary function of the medulla in the kidney?
What is the primary function of the medulla in the kidney?
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What happens in uremia?
What happens in uremia?
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What is the location of the kidneys in relation to the back muscles?
What is the location of the kidneys in relation to the back muscles?
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Study Notes
- Urinary system functions: producing and excreting urine, regulating body fluid levels, filtering wastes from blood, maintaining electrolyte, water, and acid-base balances in the body.
- Kidneys' location: under back muscles, behind the parietal peritoneum, above the waistline. Right kidney is slightly lower than left. 20% of total blood is pumped by the heart to the kidneys.
- Kidneys' internal structure: renal artery and vein, renal column, medulla, pyramid, pelvis, ureter. Cortex is the outer layer, medulla is the inner portion, pyramids are triangular divisions of medulla, and papilla is the innermost end of a pyramid. Renal pelvis is an expansion of the upper end of ureter inside the kidney, and calyces are its divisions (papilla opens into each calyx).
- Descending and ascending limbs of Henle, loop of Henle, and calyx of renal pelvis are part of the kidneys' internal structure.
- Nephron structure: kidneys have over a million nephrons, each made up of 2 parts - renal corpuscle in the cortex and the nephron itself, which looks like a tiny funnel with a long stem. The nephron is further divided into descending limb of Henle, loop of Henle, and collecting tubule.
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