Module 8 Lab

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Pima Community College *

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203

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Biology

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May 13, 2024

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pdf

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3

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4/26/24, 11 : 49 AM PhysioEx Exercise 9 Activity 5 Page 1 of 3 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex9/act5/ PhysioEx Lab Report Exercise 9: Renal System Physiology Activity 5: Reabsorption of Glucose via Carrier Proteins Name: Jaylin Thomas Date: 26 April 2024 Session ID: session-f42d4c1a-9731-c17d-43af-07d44adb822e Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Experiment Results Predict Question Stop & Think Questions Renal processing of plasma glucose does not normally include You correctly answered: secretion. 1 How does antidiuretic hormone (ADH) a ff ect the renal processing of plasma glucose? You correctly answered: ADH has no direct e ff ects on renal processing of plasma glucose. 2 Glucose reabsorption in the nephron includes You correctly answered: secondary active transport along the apical membrane of proximal tubule cells. 3 Because carrier proteins are required to move glucose from the lumen of the nephron into the interstitial spaces, which of the following statements is false ? You correctly answered: The number of glucose carriers in a nephron can be altered as needed by the body. 4 Predict Question: What will happen to the glucose concentration in the urinary bladder as glucose carriers are added to the proximal tubule? Your answer: The glucose concentration will increase. 1
4/26/24, 11 : 49 AM PhysioEx Exercise 9 Activity 5 Page 2 of 3 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex9/act5/ Experiment Data Glucose Conc. Capsule Glucose Conc. Distal Glucose Conc. Bladder Total Glucose Carriers Conc. Grad. 6.00 6.00 6.00 0 1200 6.00 4.29 4.29 100 1200 6.00 2.57 2.57 200 1200 6.00 0.86 0.86 300 1200 6.00 0.00 0.00 400 1200 Post-lab Quiz Results You scored 100% by answering 3 out of 3 questions correctly. Review Sheet Results Why is the glucose concentration the same in both Bowman's capsule and the urinary bladder? You correctly answered: Glucose cannot be reabsorbed in the absence of carriers. 1 Is a transport maximum reached in these experiments? You correctly answered: yes. 2 Glucose carrier proteins are located in which region of the nephron? You correctly answered: the proximal convoluted tubule. 1 If the concentration of glucose in the fi ltrate exceeds the transport capacity of the carrier proteins, then You correctly answered: a transport maximum has been reached. 2 Why does glucose appear in the urine of untreated diabetic patients? You correctly answered: An excessive amount of glucose is present in their fi ltrate. 3 What happens to the concentration of glucose in the urinary bladder as the number of glucose carriers increases? 1
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