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Questions and Answers
Blood flows through the nephron in the following order?
How many nephrons are there in each kidney?
The following are not actively reabsorbed except?
Which of the following renal function tests perform the regulation of acid-base balance?
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The BASEMENT MEMBRANE has _____________ that prevents albumin from being excreted in the urine.
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Microalbuminuria is considered significant when?
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The following are not passively reabsorbed except?
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What is the role of cortical nephrons?
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What is the significance of the provided health indicators: Blood pressure 180/130, Urine color: tea colored, Microscopic RBC analysis: 100/hpf, Protein chem strip: 3+, Temperature: 38C?
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Study Notes
### Nephron Blood Flow
- Blood flows through the nephron in the following order: afferent arteriole, peritubular capillaries, vasa recta, efferent arteriole.
Number of Nephrons
- Each kidney contains approximately 1 to 1.5 million nephrons.
Reabsorption & Secretion
- Glucose, water, and urea are actively reabsorbed by the nephron.
- Albumin is not actively reabsorbed.
- Sodium, water, and urea are passively reabsorbed by the nephron.
Renal Function Tests
- Tubular absorption and tubular secretion are renal function tests that play a role in regulating the acid-base balance.
Basement Membrane
- The basement membrane of the nephron contains a shield of negativity that prevents albumin from being excreted in the urine.
Microalbuminuria
- Microalbuminuria is considered significant when at least 10 mg of albumin is excreted per 24 hours or when the albumin-to-creatinine ratio (AER) is 20-200 ug/min.
Cortical Nephrons
- Cortical nephrons play a role in removing waste products, reabsorbing nutrients, and concentrating urine.
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Description
Test your knowledge on the nephron, including blood flow, reabsorption processes, and renal function tests. This quiz covers the key components and functions of nephrons, along with important concepts such as microalbuminuria and the significance of the basement membrane.
