2. Define hormone. it is a chemical put off by the body that serves as a message to make a compensation of certain chemicals levels. 3. Chemically‚ hormones belong chiefly to two molecular groups‚ the steroids and the amino acid-based. 4. What do all hormones have in common? it is bloodborne 5. Define target organ. the organ only respond to one particular hormone 6. If hormones travel in the bloodstream‚ why don’t all tissues respond to all hormones? The hormone only bonds with
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AP-2 Lab 01 – Lab Report Name: Shamika C. Dent Section: AP 2 – 131 – Fall 2010 Laboratory Report: Exercise 1: The Endocrine System Purpose: What is the purpose of this exercise? Is there any safety concerns associated with this exercise? If so‚ list what they are and what precautions should be taken. 1. Identify the major endocrine glands and other organs containing endocrine cells on models and diagrams (glands listed below). 2. Identify the major endocrine glands in the cat (glands
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to the answer sheets for quicker grading. A&P II Chapter 18- The Endocrine System Exam 1 Name:_______________________ Match the hormone to the Gland that Secretes it and the Target organ it effects Hormone ACTH ADH CRH FSH GHRH GnRH hGH (Somatotropin) LH MSH Oxytocin PIH (Dopamine) PRL (Prolactin) Somatostatin (GHIH) TRH TSH A. Liver B. Thyroid C. Gonads – Sperm or Ova D. Gonads - Testosterone E. Mammary Glands - Milk Secreted by 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Target organ
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What are hormones? 3. What do hormones influence? 4. How are hormones delivered from endocrine glands to their target organs? 5. Two categories of hormones are ________________ and __________________. 6. Why must insulin be injected‚ yet birth control hormones can be taken orally? 7. How does the control of hormone levels work by negative feedback? Give an example. 8. How are the actions of a hormone controlled by the presence of an antagonistic hormone? Give an
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effects d. hormones: slower in onset‚ systemic in bloodstream‚ sustained effects 2. The area of the brain that is involved in regulating “primitive” functions like water balance‚ appetite‚ etc is the hypothalamus. It has both anatomic and functional connections to the pituitary gland or hypophysis by a narrow stalk‚ the infundibulum. The adenohypophysis or anterior
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some research and fill in the data table below. Hormone Functions Adrenocorticotropic hormone (ACTH) Stimulates the adrenal cortex‚ it also stimulates secretion of glucocorticoids. Antidiuretic hormone (ADH) Helps maintain blood pressure‚ blood volume and water content by controlling the concentration of urine made by the kidneys. Follicle stimulating hormone (FSH) It regulates the functions of both the ovaries and testes. Growth hormone (GH) Helps to maintain normal body structure and
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ACTIVITY 1: Metabolism and Thyroid Hormones – Part 1 Answers 1. The baseline metabolic rate (BMR) of the normal rat was approximately ________ ml O2/kg/hr. 426 2. True or False: The BMR of all three rats was approximately the same before treatment with thyroxine‚ TSH‚ or propylthiouracil. true 3. Which rat had the fastest basal metabolic rate (BMR)? normal 4. Why did the BMR’s differ between the normal rat and the surgically altered rats? Because the metabolism of the normal rat was
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below. | Hormone | Functions | Adrenocorticotropic hormone (ACTH) | ACTH stimulates the cortex to secrete hormones called glucocorticoids. Like cortisol. Which regulates glucose‚ protein‚ and fat metabolism‚ and response to stress. | Antidiuretic hormone (ADH) | ADH regulates water retention in the kidneys‚ reduces urine volume‚ and helps prevent dehydration. Also a brain neurotransmitter. | Follicle stimulating hormone (FSH) | The pituitary secretes FSH. It stimulates the sex hormone estrogen
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An example of chronic hormone secretion would be TSH. TSH is in everyone’s body. IF TSH levels in one’s body becomes out of normal range‚ this can cause thyroid disorders. Acute hormone secretion occurs when there is a disturbance in the hormone’s concentration and levels differentiate with stimulation. Example of acute hormone secretion would be the release of epinephrine in the body. For example‚ if a person is afraid of
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secrete chemical "instant messengers" called hormones that circulate within the body via the bloodstream to affect distant cells within specific organs. Endocrine glands secrete their products immediately into the blood or interstitial fluid‚ without storage of the chemical. Hormones act as "messengers‚" and are carried by the bloodstream to different cells in the body‚ which interpret these messages and act on them. Typical endocrine glands are pituitary‚ thyroid‚ and adrenal glands‚ but not exocrine glands
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