1.) Track the movement of any given RBC through the kidneys anatomy with the nep

Question

1.) Track the movement of any given RBC through the kidneys anatomy with the nephron being a medullary nephron.

2.) What role does blood pressure have in the production of urine? Exaclty how does the kidney regulate blood pressure?

3.) Why does it make sense that the kidney regulate acid/balance balance? Electrolyte balance? Water balance?

4.) In what way is osmosis used to produce the urine? Why are doctors concerned about patients with Hypo or Hypernatremia?

5.) If a patient goes into blood acidosis, what effect would this have on the kidney? On the production of urine?

6.) What is the difference between a local and physiological buffer?

Explanation / Answer

1. A medullary nephron is one present in medulla region of the kidney. Now, blood enters all nephrons through afferent arteriole and leaves the glomerulus through efferent arteriole.

So, if and RBC carrying oxygenated blood enters through glomerulus' afferent arteriole, it will exit via the efferent arteriole of the same glomeruli. In this way blood is filtered by the kidneys for removal of urea. About 1/3 of cardiac output passes through renal artery.

So, RBC will move through blood -----> into renal artery----> afferent arteriole of nephron of medulla----> efferent arteriole------> renal artery.

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