Why did the metabolic rates differ? Because of the different organs that were removed from the two other rats that would produce certain hormones 3. If an animal has been thyroidectomized‚ what hormone(s) would be missing from its blood? thyroxine 4. As a result of the missing hormone(s)‚ what would the overall effect on the body and metabolism be? Thyroxine wouldn’t be released which helps maintain metabolism and body. So 5. How could you treat a thyroidectomized animal so that it functioned
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4 Exercise Endocrine System Physiology Advance Preparation/Comments Consider covering the following topics to prepare students for the simulation: • Describe the regulation of thyroid hormone secretion. • Explain the relationship between the hypophysis (pituitary gland) and the hypothalamus. • Describe the synthesis of thyroid hormones‚ thyroxine and triiodothyronine. • Explain disorders that result in goiter formation. • Review the factors that contribute to bone density. • Explain the regulation
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Exercise 4: Endocrine System Physiology: Activity 2: Plasma Glucose‚ Insulin‚ and Diabetes Mellitus Lab Report Pre-lab Quiz Results You scored 80% by answering 4 out of 5 questions correctly. 1. Which of the following statements is false? Your answer : c. Insulin decreases plasma glucose levels. Correct answer: d. Insulin is a hormone secreted into the stomach to aid with starch digestion. 2. Which of the following statements is true? You correctly answered: d. All of these statements are true. 3
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Lab 28B: Endocrine System Physiology Computer Simulation Introduction The endocrine system is the second greatest control system of the body and has many effects on the tissues and organs. The thyroid gland‚ which is a part of the endocrine system‚ releases a hormone that maintains metabolism. This hormone is thyroxine. Thyroxine production is controlled by thyroid stimulating hormone‚ which is released by the pituitary gland. TSH stimulates the thyroid gland to produce thyroxine. In
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Lab 4: Endocrine System Physiology | 1. | | Refer to Activity 1: Determining Baseline Metabolic Rates. How did the baseline metabolic rates of the three rats differ? Answer: | The metabolic rates for the thyroidectomized and hypophysectomized rats were lower than that of the normal rat. | | | 2. | | Why did the metabolic rates differ? Check all that apply: Answers: | The hypophysectomized rat lacked thyroid-stimulating hormone. The thyroidectomized rat lacked thyroxine hormone.
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Lab 1 – Exercise 4: Endocrine System Name: Kathryn Marso ACTIVITY 1: Metabolism and Thyroid Hormone Part 1: Chart 1: Effects of Hormones on Metabolic Rate | | Normal Rat | Thyroidectomized Rat | Hypophysectomized Rat | BaselineWeightMl O2 used in 1 minuteMl O2 used per hourMetabolic ratePalpation results | 250.9 grams 7.1 ml 426 ml 1697 ml O2/kg/hr | 245.7 grams 6.2 ml 372 ml 1514 ml O2/kg/hr | 244.6
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REVIEW SHEET EXERCISE 1 Cell Transport Mechanisms and Permeability 1. Match each of the definitions in Column A with the appropriate term in Column B. Column A Column B __E___ term used to describe a solution that has a lower concentration of solutes compared to another solution ___G__ term used to describe a solution that has a higher concentration of solutes compared to another solution ___A__ the movement of molecules from an area of higher concentration to an area of lower concentration
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The Endocrine System Controls many body functions ~exerts control by releasing special chemical substances into the blood called hormones ~Hormones affect other endocrine glands or body systems Derives its name from the fact that various glands release hormones directly into the blood‚ which in turn transports the hormones to target tissues via ducts. Exocrine glands-transport their hormones to target tissues via ducts. Endocrine glands- secrete hormones into the bloodstream The Endocrine
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Exercise 9: Renal System Physiology: Activity 3: Renal Response to Altered Blood Pressure Lab Report Pre-lab Quiz Results You scored 25% by answering 1 out of 4 questions correctly. 1. If all other variables are kept constant‚ how does the afferent arteriole radius affect the rate of glomerular filtration (select all that apply)? Your answer : b. A decreased afferent arteriole radius will increase the rate of glomerular filtration. Correct answer: c. An increased afferent arteriole radius will increase
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PhysioEx – Exercise 9 Activity 1: 1. excretion and regulation 2. glomerular capillaries (glomerulus) & Bowman’s capsule 3. The filtrate flows from the Bowman’s capsule into the renal tubule called the proximal convoluted tubule then into the loop of Henle‚ and finally into the distal convoluted tubule: a. Proximal Convoluted Tubule b. Loop of Henle c. Distal Convoluted Tubule 4. When the radius of the afferent arteriole was decreased‚ the pressure and the filtration rate both decreased
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