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Lab 14 The Urinary System BIO202L
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Pre-Lab Questions
What is the function of the ureter?
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Compare and contrast the male and female urethra.
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Describe the two layers of the kidneys.
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Experiment 1: Kidney Filtration
Table 1: Solutions Present in Each Container Before 60 Minutes Submersion
Solution
Dialysis Tubing
Beaker
Congo Red
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Yellow Food Coloring
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Table 2: Solutions Present in Each Container After 60 Minutes Submersion
Solution
Dialysis Tubing
Beaker
Congo Red
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Yellow Food Coloring
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Post-Lab Questions
”1. What specific part of the kidney does the dialysis tubing represent? What is this part’s function?”
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”2. What does the yellow food coloring represent at the end of the experiment? What does the Congo Red represent? ”
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”3. Why is it important that the kidney filters the blood? ”
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Experiment 2: Urinalysis
Table 3: Urine Test
Test
Normal
Abnormal
pH
4.5 - 7.5
Acidic Urine (below 4.5) - Diabetes, starvation, dehydration, respiratory acidosis.
Alkaline Urine (above 7.5) - Kidney disease, kidney failure, urinary tract infection, respiratory alkalosis.
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
Large amount of ketones present (sweet smell of urine); starvation, prolonged vomiting, diabetes, hyperthyroidism, and other metabolic disorders.
Table 4: Simulated Urine pH Test
Simulated Urine Sample
pH
A
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B
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C
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D
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Table 5: Simulated Urine Glucose Test
Simulated Urine Sample
Color Before Hot Water Bath
Color After Hot Water Bath
A
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B
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C
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D
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Table 6: Simulated Urine Protein Test
Simulated Urine Sample
Color Before Biuret Solution
Color After Biuret Solution
A
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B
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C
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D
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Table 7: Simulated Urine Yeast Test
Simulated Urine Sample
Bubbles Before Hydrogen Peroxide?
Bubbles After Hydrogen Peroxide?
A
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B
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C
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D
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Table 8: Simulated Urine Ketone Test
Simulated Urine Sample
Odor Observation
A
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B
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C
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D
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Fill in Tables 9 through 12. Refer to Table 3 to determine if each result was normal or abnormal. If abnormal, include the data which indicates this (e.g., a pH of 3.2 means that glucose is present). Using the test results from each of the urine samples, diagnose the condition(s), if any, that each of the sample patients is experiencing. ”
Table 9: Sample A
Test
Test Results
pH
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Glucose
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Protein
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Yeast
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Ketones
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Table 10: Sample B
Test
Test Results
pH
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Glucose
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Protein
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Yeast
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Ketones
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Table 11: Sample C
Test
Test Results
pH
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Glucose
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Protein
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Yeast
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Ketones
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Table 12: Sample D
Test
Test Results
pH
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Glucose
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Protein
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Yeast
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Ketones
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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.
Table 9 Diagnosis: Click here to enter text.
Table 10 Diagnosis: Click here to enter text.
Table 11 Diagnosis: Click here to enter text.
Table 12 Diagnosis: Click here to enter text.
2. If you were a doctor and a patient’s urinalysis came back with high level of glucose, ketones and an acidic pH, what diagnosis would you immediately look into? ”
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”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 look into? ”
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”4. What other conditions can urine be used to test for? ”
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Experiment 3: Virtual Model – The Urinary System
Insert screenshot of the prostate:
Insert screenshot of the renal medulla:
Insert screenshot of the renal pelvis:
Post-Lab Questions
1. Which component of the urinary system is more lateral: the left kidney or the urinary bladder?
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Which component of the urinary system is a funnel shaped cavity formed by the union of calices, ending in the ureter.
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What is the most superior component of the urinary system?
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Where is the prostatic sinus in relation to the prostate?
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Experiment 4: Fetal Pig Dissection of the Urinary System
1. Identify the labeled components of the kidney in the image below.
A - Click here to enter text.
B - Click here to enter text.
C - Click here to enter text.
D - Click here to enter text.
E - Click here to enter text.
F - Click here to enter text.
What is the function of the urinary bladder?
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What is the function of the adrenal glands?
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Would you think the kidneys are highly vascularized? Why or why not?
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Explain in detail the process by which urine is made.
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Insert photo of your pig’s dissected kidney with your name clearly visible in the background: ”
Lab
1
4
The
Urinary
System
BIO20
2
L
Student Name:
Click here to enter text.
Access
Code (located on the lid of your lab kit):
Click here to enter text.
Pre
-
Lab Questions
1.
What is the function of the ureter?
Click here to enter text.
2.
Compare and contrast the male and female urethra.
Click here to enter text.
3.
Describe the two layers of the kidneys.
Click here to enter text.
Experiment 1: Kidney Filtration
Table 1: Solutions Present in Each Container Before 60 Minutes
Submersion
Solution
Dialysis Tubing
Beaker
Congo Red
Click here to enter text.
Click here to enter text.
Yellow Food Coloring
Click here to enter text.
Click here to enter text.
Table
2
: Solutions Present in Each Container After 60
Minutes Submersion
Solution
Dialysis Tubing
Beaker
Congo Red
Click here to enter text.
Click here to enter text.
Yellow Food Coloring
Click here to enter text.
Click here to enter text.
Post
-
Lab Questions
”
1. What specific part of the
kidney does the dialysis tubing represent? What is this part’s
function?
”
Lab 14 The Urinary System BIO202L
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Pre-Lab Questions
1. What is the function of the ureter?
Click here to enter text.
2. Compare and contrast the male and female urethra.
Click here to enter text.
3. Describe the two layers of the kidneys.
Click here to enter text.
Experiment 1: Kidney Filtration
Table 1: Solutions Present in Each Container Before 60 Minutes Submersion
Solution Dialysis Tubing Beaker
Congo Red
Click here to enter text. Click here to enter text.
Yellow Food Coloring Click here to enter text. Click here to enter text.
Table 2: Solutions Present in Each Container After 60 Minutes Submersion
Solution Dialysis Tubing Beaker
Congo Red
Click here to enter text. Click here to enter text.
Yellow Food Coloring
Click here to enter text. Click here to enter text.
Post-Lab Questions
”1. What specific part of the kidney does the dialysis tubing represent? What is this part’s
function?”
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