In the proximal tubule, the most important change to the urine is reabsorption o

Question

In the proximal tubule, the most important change to the urine is reabsorption of solutes only reabsorption of water only reabsorption of solutes and water reabsorption and secretion of solutes If mean arterial pressure rises from 100 to 120 mmHg (well within the normal range of MAP changes), glomerular filtration rate would be expected to decrease substantially stay about the same or increase slightly. increase substantially. No answer provided. As blood passes through CO_2 producing tissues, which of the following should increase in concentration in the blood? CO_2 H^+ HCO_3 Two of these. All of these.

Explanation / Answer

1. ans: 4 - Reabsorption and secreation of solutes. The proximal tubule regulate the ph of filtrate by reabsorption and secreation of solutes.

2. ans: 4 - IN men increase in the arterial pressure decreases the glomeular rate leads to disfunction of kidney. While in women MAP was not associated with decreased GFR.

3. ans: 3 - As the blood enters into the tissue basing upon the principal of diffuse of gases while tissue is producing carbondioxide out in the blood plasma the HCO-3.

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