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ERB3 Practical 5B
Paula Brunton
Created on April 15, 2024
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Transcript
Start
Pre-Lab Quiz (1 of 6)
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Pre-Lab Quiz (2 of 6)
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Pre-Lab Quiz (3 of 6)
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Pre-Lab Quiz (4 of 6)
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Pre-Lab Quiz (5 of 6)
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Pre-Lab Quiz (6 of 6)
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Predict Question 1
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Stop & Think Question 1
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800).
Results
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Stop & Think Question 2
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800).
Results
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Stop & Think Question 3
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800).
Results
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Predict Question 2
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Stop & Think Question 4
Judging from their BMR (an indicator of thyroid function), categorize the rats administered thyroxine as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800).
Results
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Stop & Think Question 5
Judging from their BMR (an indicator of thyroid function), categorize the rats administered thyroxine as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800).
Results
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Stop & Think Question 6
Judging from their BMR (an indicator of thyroid function), categorize the rats administered thyroxine as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800).
Results
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Stop & Think Question 7
Results table
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Stop & Think Question 7
Results table
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Predict Question 3
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Stop & Think Question 8
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800) after the TSH injection.
Results
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Stop & Think Question 9
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800) after the TSH injection.
Results
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Stop & Think Question 10
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800) after the TSH injection.
Results
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Stop & Think Question 11
Results table
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Predict Question 4
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Stop & Think Question 12
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800) after the PTU injection.
Results
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Stop & Think Question 13
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800) after the PTU injection.
Results
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Stop & Think Question 14
Judging from their BMR (an indicator of thyroid function), categorize the rats as hypothyroid (low thyroid levels; BMR = <1600), euthyroid (normal thyroid levels; BMR = 1650-1750), or hyperthyroid (high thyroid levels; BMR = >1800) after the PTU injection.
Results
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Stop & Think Question 15
Results table
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Post-Lab Quiz (1 of 7)
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Post-Lab Quiz (2 of 7)
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Post-Lab Quiz (3 of 7)
Experimental data
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Post-Lab Quiz (4 of 7)
Experimental data
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Post-Lab Quiz (5 of 7)
Experimental data
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Post-Lab Quiz (6 of 7)
Experimental data
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Post-Lab Quiz (7 of 7)
Experimental data
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Review Questions
Determining basal metabolic rate
1. Which rat had the highest BMR?2. Why did the metabolic rates differ between the normal rats and the surically altered rats?3. If an animal has been thyroidectomised, what hormone(s) would be missing from its blood?4. If an animal has been hypophysectomised, what effect would you expect to see on hormones levels in its body?
Experimental data
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Review Questions
Determining the effect of thyroxine on metabolic rate
5. What was the effect of thyroxine injections on the normal rat's BMR? 6a. What was the effect of thyroxine injections on the thyroidectomised rat's BMR? 6b. How does the BMR in this case compare with the normal rat's BMR? 6c. Was the dose of thyroxine too large, too small or just right? 7a. What was the effect of thyroxine injections on the hypophysectomised rat's BMR? 7b. How does the BMR in this case compare with the normal rat's BMR? 7c. Was the dose of thyroxine too large, too small or just right?
Experimental data
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Review Questions
Determining the effect of TSH on metabolic rate
8. What was the effect of thyroid stimulating hormones (TSH) injections on the normal rat's BMR? 9a. What was the effect of TSH injections on the thyroidectomised rat's BMR? 9b. How does the BMR in this case compare with the normal rat's BMR? 9c. Why was this effect observed? 10a. What was the effect of TSH injections on the hypophysectomised rat's BMR? 10b. How does the BMR in this case compare with the normal rat's BMR? 10c. Was the dose of TSH too large, too small or just right?
Experimental data
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Review Questions
Determining the effect of propylthiouracil on metabolic rate
11a. What was the effect of propylthiouracil (PTU) injections on the normal rat's BMR?11b. Why did this rat develop a palpable goiter? 12a. What was the effect of PTU injections on the thyroidectomised rat's BMR? 12b. How does the BMR in this case compare with the normal rat's BMR? 12c. Why was this effect observed? 13a. What was the effect of PTU injections on the hypophysectomised rat's BMR? 13b. How does the BMR in this case compare with the normal rat's BMR? 13c. Why was this effect observed?
Experimental data
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