Urinary Lab
Urinary Physiology Student Name Date 1 Pre-Lab Questions PLAN UP TO 2 HOURS FOR THIS LAB –Please be sure to look ahead in your lab report and note where you need to take images of your experiment. Read the Background provided on the lab instructions, information from your textbook, and any information provided in the READINGS area of the module to help you answer these pre-lab questions: ***1) What is the function of the ureter? ***2) Describe the two layers of the kidneys ***3) Identify the labeled components of the kidney in the image below. A) B) C) D) E) F) © 2017 Carolina Biological Supply Company 2 Activity 1 – Measuring Specific Gravity Using a Hydrometer Insert the photos from Activity 1, step 4. The location of the line on the hydrometer that intersects the lowest point of the meniscus should be visible. Indicate the source of each sample: synthetic standard urine, synthetic abnormal urine, and real urine. Data Table 1. Specific Gravity Normal Simulated Urine Unknown Simulated Urine Real urine ***4) What is the significance of the specific gravity of the abnormal urine? Activity 2- Assessing the Appearance and Odor of Real Urine Data Table 2. Appearance and Odor of Real Urine Characteristic Observation Color Clarity Smell Insert the photo from Activity 2, step 1. The clarity of the urine sample should be apparent. Insert the photo from Activity 2, step 2. © 2017 Carolina Biological Supply Company 3 Activity 3 – Determining Urine Composition Data Table 3.Urine Composition Test Normal Simulated Urine Unknown Simulated Urine Real urine pH Glucose Ketones Leukocytes Nitrite Protein Blood hemoglobin ***5) If you were a doctor and a patient’s urinalysis came back with a high level of glucose, ketones, and an acidic pH, what diagnosis would you immediately consider? ***6) What other conditions can urine be used to test for? Insert the photos from Activity 3, step7. All indicators should be visible. Indicate the source of each sample: synthetic standard urine, synthetic abnormal urine, and real urine. Insert the photo from Activity 3, step 8. © 2017 Carolina Biological Supply Company 4 Activity 4 – Modeling Urine Production Data Table 4. Urine Production Property Before Rice Treatment After Rice Treatment Volume Color ***7) What is represented by the coffee in Activity 4? ***8) What specific component of the kidney does the dialysis tubing represent? What is the function of this component? ***9) Why is it important that the kidney filters blood? Insert the photo from Activity 4, part A, step 5. Insert the photo from Activity 4, part B, step 9. Insert the photo from Activity 4, part B, step 14. © 2017 Carolina Biological Supply Company
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