Lecture+notes+22 - Copy

Lecture+notes+22 - Copy - Lecture Notes Bio 109 Fall 2010...

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Unformatted text preview: Lecture Notes Bio 109, Fall 2010, Dr. Catherine Loudon Lecture 22 – 11/17/10 – Kidneys, Fluid and electrolyte balance 1) Announcements: a) Bio Student-Dean Luncheon tomorrow (see EEE site under “UCI clubs” tab for details) 2) Your questions a) Does the graph about renal threshold for glucose reabsorption relate to diabetes? Yes (discussed Fig. 19-15d, 10 am only because discussed in 11 am section 11/15) 3) Your questions a) Why is cranberry juice recommended for people with urinary tract infections? i) See Mayo Clinic site for discussion (http://www.mayoclinic.org/medical-edge- newspaper-2008/june-13a.html) 4) Your questions a) What are kidney stones and where do they form? (information from Mayo Clinic site) i) Small hard deposits of mineral and acid salts on inner surfaces of kidneys. ii) Exact cause unknown, but several risk factors identified iii) One risk factor is highly concentrated urine (high osmolarity) iv) Most kidney stones are small enough to pass through urinary tract on own. v) Large stones may require surgery vi) Related to solubility of different ions/molecules: many Ca++ salts have low solubility in water (such as calcium phosphate) vii) Most common crystals in kidney stones are calcium oxalate and calcium phosphate...
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This note was uploaded on 12/01/2010 for the course BIO SCI Bio Sci E1 taught by Professor Catherineloudin during the Spring '10 term at UC Irvine.

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Lecture+notes+22 - Copy - Lecture Notes Bio 109 Fall 2010...

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