renal 5

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Southern Union State Community College *

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MISC

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Biology

Date

Apr 3, 2024

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pdf

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3

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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
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