i. Glucose is reabsorbed in the proximal convoluted tubule. Explain how the proximal convoluted tubule is adapted to carry out its function. ii. Predict a value for the amount of glucose that is reabsorbed.
i. Glucose is reabsorbed in the proximal convoluted tubule. Explain how the proximal convoluted tubule is adapted to carry out its function. ii. Predict a value for the amount of glucose that is reabsorbed.
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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Transcribed Image Text:c. Some of the test results for glucose are not recorded. These are marked as 'NO DATA' in the table.
i. Glucose is reabsorbed in the proximal convoluted tubule. Explain how the proximal convoluted tubule is
adapted to carry out its function.
ii. Predict a value for the amount of glucose that is reabsorbed.
iii. Predict a value for the amount of glucose that is excreted in urine.
iv. Give ONE reason for the answers above.
v. Describe how the results of a diabetic patient would differ.
d. The kidney also plays an important role in osmoregulation.
i. Define the term osmoregulation.
ii. State the hormone responsible for the kidney's osmoregulatory function.
iii. Briefly explain the role of this hormone with reference to the table above.
Transcribed Image Text:4. The table below provides information about the amounts filtered, reabsorbed, and excreted by the kidney
of a healthy person over 24 hours.
Amount
Amount in Urine
Substance
Amount Filtered (g)
Reabsorbed (g)
(g)
Water
180
179
1
Amino Acids
15
15
Chlorine
630
625
Sodium
540
537
180
NO DATA
NO DATA
Glucose
53
28
25
Urea
1.4
Creatinine
1.4
a. The kidney plays an important role in homeostasis. Define the term homeostasis.
b. Calculate the percentage of sodium that was reabsorbed by the kidneys in 24 hours. Show your working
and give your answer to one decimal place.
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