LABORATORY REPORT Activity: Homeostatic Imbalances of Thyroid Function Name: Theres Castle Instructor: Virgil Stoia Date: 10.20.2014 Predictions TSH levels in patients with primary hypothyroidism are high Thyroxine (T4) levels in patients with primary hypothyroidism are low TSH levels in patients with secondary hypothyroidism are low Thyroxine (T4) levels in patients with secondary hypothyroidism are low TSH levels in patients with hyperthyroidism are low Thyroxine
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adrenal insufficiency is typically accompanied by: Diabetes mellitus. Hypercalcaemia. Sudden recent weight gain. Hypotension. Causes of hypoparathyroidism listed below are true EXCEPT: Post- ? 1 therapy for hyperthyroidism or thyroid cancer. Complication of thyroid and /or parathyroid surgery. Parathyroid solitary (multiple) adenomas. Autoimmune. The following statements are true except…: Stroke. Is one of the most common neurologic disease. Is a hereditary disease of an individual whose
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cracking skin. Graves’ disease is mainly associated with the thyroid ophthalmopathy; however‚ hypothyroidism is can also result in this kind of a disorder. The symptoms involved are inclusive
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that of the hypophysectomized rat’s baseline metabolic rate because it lacked thyroid-stimulating hormones. The following questions refer to Activity 2: Determining the Effect of Thyroxine on Metabolic Rate. 4. What effect did administering thyroxine have on each of the rats? It caused the metabolic rate to increase in all three rats. 5. Explain why thyroxine had these effects. It is a thyroid-stimulating hormone that causes more metabolism to occur. The following questions refer to
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(Bradycardia): 52 Normal range is 60-100 Respiratory rate is on the low end of normal: 12 Normal range 12-25 2. List eight general questions you might ask R.M. to get a "ball park" idea of what is going on with her. 1. Does your family have history of thyroid‚ adrenal‚ or pituitary disease? 2. Is there a history of diabetes in your family? 3. Have you had weight fluctuation over the past 6 months? 4. How has your appetite been over the past 6 months? 5. Have you been exceptionally anxious or nervous
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dissection of the components of the endocrine system of the fetal pig by doing the following: a. Describe the endocrine organs that are located in the throat region (e.g.‚ function and appearance). Thyroid - small dark brown‚ pink gland in the trachea. Its function is to regulate metabolism and secrete hormones.
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(please post an introduction to the lab‚ include what you will be doing for each activity) Activity 1: Determining Baseline Metabolic Rates Data: (add your results here in numbers - Chart 1 is used in Activities 1-4) Chart 1 – Effects of Hormones on Metabolic Rate Rat Types Baseline: Normal Thyroidectomized Hypophysectomized Weight 249.9g 245.3g 244.4g ml O2‚ 1 min. 7.0ml 6.1ml 6.1ml ml O2/hr. 420ml 366ml 366ml Metabolic Rate 1680.72ml O2/kg/hr 1492.45ml/O2/kg/hr
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cause of Bado’s hypocalcemia is chronic hypoparathyroidism which is secondary to a thyroidectomy. Hypoparathyroidism may be due to a failure to respond to vitamin D or a deficiency of it or a failure to respond to PTH. With the removal of Bongo’s thyroid‚ that is what caused his low levels of blood plasma Calcium level to be where it was when it was tested. 2. a. Hypocalcemia decreases the concentration of calcium outside of cell which increases the cells excitability and lowers the threshold potential
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The normal rat will become hyperthyroidic and develop a goiter. Predict Question 4: Propylthiouracil (PTU) is a drug that inhibits the production of thyroxine by blocking the attachment of iodine to tyrosine residues in the follicle cells of the thyroid gland (iodinated tyrosines are linked together to form thyroxine). What do you think will happen after you inject PTU into the three rats? Your answer : d. The normal rat will become hypothyroidic and develop a goiter. Stop & Think Questions:
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1. The normal rat had the fastest BMR. 2. Because of the different organs that were removed from the two other rats that would produce certain hormones. My prediction was correct. 3. Thyroxine would be missing in its blood. 4. Thyroxine wouldn’t be released which helps maintain metabolism and body. The hormone levels would be lower as a result. 5. The metabolic rate went up.My prediction was correct. 6. It raised the rate‚ even though it wasn’t as high as the normal rat’s‚ it was
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