renal 5

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Southern Union State Community College *

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MISC

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Biology

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Apr 3, 2024

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pdf

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Uploaded by PresidentAnteater4138

3/27/24, 11:14 PM PhysioEx Exercise 9 Activity 5 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex9/act5/ 1/3 PhysioEx Lab Report Exercise 9: Renal System Physiology Activity 5: Reabsorption of Glucose via Carrier Proteins Name: n Date: 27 March 2024 Session ID: session-34d775b1-5e54-ae32-3475-f8dc6f27f95d Pre-lab Quiz Results You scored 0% by answering 0 out of 4 questions correctly. Experiment Results Predict Question Renal processing of plasma glucose does not normally include You did not answer this question. Correct answer: secretion. 1 How does antidiuretic hormone (ADH) affect the renal processing of plasma glucose? You did not answer this question. Correct answer: ADH has no direct effects on renal processing of plasma glucose. 2 Glucose reabsorption in the nephron includes You did not answer this question. Correct answer: 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 did not answer this question. Correct answer: 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 decrease. 1

3/27/24, 11:14 PM PhysioEx Exercise 9 Activity 5 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex9/act5/ 2/3 Stop & Think Questions 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 0% by answering 0 out of 3 questions correctly. Why is the glucose concentration the same in both Bowman's capsule and the urinary bladder? Your answer: Glucose cannot be filtered in the absence of carriers. Correct answer: Glucose cannot be reabsorbed in the absence of carriers. 1 Is a transport maximum reached in these experiments? Your answer: no. Correct answer: yes. 2 Glucose carrier proteins are located in which region of the nephron? You did not answer this question. Correct answer: the proximal convoluted tubule. 1 If the concentration of glucose in the filtrate exceeds the transport capacity of the carrier proteins, then You did not answer this question. Correct answer: a transport maximum has been reached. 2 Why does glucose appear in the urine of untreated diabetic patients? You did not answer this question. Correct answer: An excessive amount of glucose is present in their filtrate. 3

3/27/24, 11:14 PM PhysioEx Exercise 9 Activity 5 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex9/act5/ 3/3 Review Sheet Results What happens to the concentration of glucose in the urinary bladder as the number of glucose carriers increases? You did not answer this question. 1 What types of transport are utilized during glucose reabsorption and where do they occur? You did not answer this question. 2 Why does the glucose concentration in the urinary bladder become zero in these experiments? You did not answer this question. 3 A person with type I diabetes cannot make insulin in the pancreas, and a person with untreated type II diabetes does not respond to the insulin that is made in the pancreas. In either case, why would you expect to find glucose in the person's urine? You did not answer this question. 4

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