Biology > Lab Experiment > The Urinary System. PRE-LAB QUESTIONS. Experiment 1: Kidney Filtration, Experiment 2: Urinalysis, Ex (All)
PRE-LAB QUESTIONS 1. What is the function of the ureter?. 2. Compare and contrast the male and female urethra. 3. Describe the two layers of the kidneys. Experiment 1: Kidney Filtration Data Ta... bles Table 1: Solutions Present in Each Container Before 60 Minutes Submersion Solution Dialysis Tubing Beaker Congo Red Yellow Food Coloring Table 2: Solutions Present in Each Container After 60 Minutes Submersion Solution Dialysis Tubing Beaker Congo Red Yellow Food Coloring Post-Lab Questions 1. What specific component of the kidney does the dialysis tubing represent? What is the function of this component? 2. What does the yellow food coloring represent at the end of the experiment? What does the Congo Red stain represent? 3. Why is it important that the kidney filters blood? . Experiment 2: Urinalysis Data Tables Table 3: Urine Test Test Normal Abnormal pH 4.5 - 7.5 . Glucose None Glucose present (red or green color after test); diabetes mellitus. Protein None Protein present (violet color after test); kidney disease. Yeast None Yeast present (bubbles form after test); yeast infection in urinary tract. Ketones Little or None Table 4: Simulated Urine pH Test Simulated Urine Sample pH A 9 B 6 C 7 D 6 Table 5: Simulated Urine Glucose Test Simulated Urine Sample Color Before Hot Water Bath Color After Hot Water Bath A Blue Blue B Blue Reddish orange C Blue Lighter reddish orange D Blue blue Table 6: Simulated Urine Protein Test Simulated Urine Sample Color Before Biuret Solution Color After Biuret Solution A B C D Table 7: Simulated Urine Yeast Test Simulated Urine Sample Bubbles Before Hydrogen Peroxide? Bubbles After Hydrogen Peroxide? A B C D Table 8: Simulated Urine Ketone Test Simulated Urine Sample Odor Observation A No smell B Slightly sweet smell C No smell D No smell Table 9: Sample A Test Test Results pH 9 Glucose blue Protein purple Yeast no Ketones No smell Table 10: Sample B Test Test Results pH 6 Glucose Reddish orange Protein Light blue Yeast no Ketones Slightly sweet smell Table 11: Sample C Test Test Results pH 7 Glucose Reddish orange Protein Light purple Yeast no Ketones No smell Table 12: Sample D Test Test Results pH 6 Glucose blue Protein blue Yeast no Ketones No smell Post-Lab Questions 1. Using the results from each urine sample, along with Table 3, diagnose the condition(s), if any, that each sample patient is experiencing.. 2. 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? 3. If you were a doctor and a patient’s urinalysis came back with an alkaline pH and high levels of protein, what diagnosis would you immediately consider? 4. What other conditions can urine be used to test for? Experiment 3: Virtual Model – The Urinary System Post-Lab Questions 1. Which component of the urinary system is more lateral: the left kidney or the urinary bladder? 2. Which component of the urinary system is a funnel shaped cavity formed by the union of calices, ending in the ureter. 3. What is the most superior component of the urinary system 4. Where is the prostatic sinus in relation to the prostate?. Experiment 4: Fetal Pig Dissection –The Urinary System Post-Lab Questions 1. Identify the labeled components of the kidney in the image below. A___ Medullary pyramid___________ B____ Renal Pelvis__________ C____ Cortex__________ D___ _Renal Artery__________ E____ Renal Vein__________ F____ Ureter__________ 2. What is the function of the urinary bladder?. 3. What is the function of the adrenal glands? 4. Would you think the kidneys are highly vascularized? Why or why not? 5. Explain in detail the process by which urine is made. [Show More]
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