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 Tables
Table 1: Solut
...
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 Tables
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.
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