Straighterline BIO201L Lab 4 Diffusion Worksheet

Question # 00631726
Course Code : BIO201L
Subject: Biology
Due on: 01/17/2022
Posted On: 01/16/2022 07:48 PM
Tutorials: 1
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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?

2.            Compare and contrast the male and female urethra.

3.            Describe the two layers of the kidneys.

Experiment 1: Kidney Filtration

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 part of the kidney does the dialysis tubing represent? What is this part’s function?”

”2. What does the yellow food coloring represent at the end of the experiment? What does the Congo Red represent? ”

”3. Why is it important that the kidney filters the blood? ”

Experiment 2: Urinalysis

Table 3: Urine Test

Test

Normal

Abnormal

pH

4.5 - 7.5

 

Glucose

None

 

Protein

None

 

Yeast

None

 

Ketones

Little or None

 

 

Table 4: Simulated Urine pH Test

Simulated Urine Sample               pH

A            

 

B            

 

C            

 

D            

 

Table 5: Simulated Urine Glucose Test

Simulated Urine Sample               Color Before Hot Water Bath      Color After Hot Water Bath

Simulated Urine Sample

Color Before Hot Water Bath

Color After Hot Water Bath

A

   

B

   

C

   

D

   

 

Table 6: Simulated Urine Protein Test

Simulated Urine Sample               Color Before Biuret Solution       Color After Biuret Solution

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?

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            

B            

C            

D            

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

 

Glucose

 

Protein

 

Yeast

 

Ketones

 

Table 10: Sample B

Test

Test Results

pH

 

Glucose

 

Protein

 

Yeast

 

Ketones

 

 

Table 11: Sample C

Test

Test Results

pH

 

Glucose

 

Protein

 

Yeast

 

Ketones

 

 

Table12: Sample D

Test

Test Results

pH

 

Glucose

 

Protein

 

Yeast

 

Ketones

 

 

 

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:

Table 10 Diagnosis:

Table 11 Diagnosis:

Table 12 Diagnosis:

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? ”

”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? ”

”4. What other conditions can urine be used to test for? ”

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?

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 of the Urinary System

1.            Identify the labeled components of the kidney in the image below.

 A -medullary pyramid

B -calyx

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.

Insert photo of your pig’s dissected kidneywith your name clearly visible in the background: ”

 

 

 

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Straighterline BIO201L Lab 4 Diffusion and Osmosis Worksheet

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