04 Endocrine System

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University of Ontario Institute of Technology *

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1201

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Biology

Date

Feb 20, 2024

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docx

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5

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1 | The Endocrine System How to uLASDVse this document This GoogleDoc is set as “View Only.” Please do NOT select “Request Edit Access.” If you want to make your own notes, sign in with any Google account, go to “File” and then select “Make a 2W3ERcopy” to make notes in your own GoogleDocs or select “Download” and a file format if you want to make notes in another program such as Microsoft Word. The Endocrine System Preparation for class Please go through these recorded lectures BEFORE class 1. Endocrine 1 Regulation : GoogleSlides ( GoogleDocs ) and Recording ( YouTube ) 2. Endocrine 2 Glands: GoogleSlides ( GoogleDocs ) and Recording ( YouTube ) Endocrine 1 Regulation
2 | The Endocrine System Think it through questions 1. Explain the hormonal interactions that regulate blood glucose levels.
3 | The Endocrine System 2. Explain how the cell is able to become more or less sensitive to a specific hormone. 3. c Multiple choice questions 4. All of the following describe hormone receptors, EXCEPT for: a. they tend to increase when hormone levels are deficient b. they are specific c. they are located on the outside of the cell membrane d. they tend to decrease when hormone levels are in excess 5. Parathyroid hormone (PTH) and calcitonin produce opposite effects on blood calcium levels. What relationship do these two hormones have to each other? a. opposability b. antagonism c. permissiveness d. synergism 6. The effects of steroid hormones occur slowly because: a. it is harder for steroid hormones to cross the plasma membrane b. Receptors for steroid hormones are constantly downregulated c. The process of protein synthesis takes hours or days d. Plasma proteins which bind strongly to steroid hormones make it difficult for the steroid hormones to bind to their receptors 7. Select the correct sequence of duration of response of acetylcholine, cortisol and insulin, starting from shortest to longest. a. Acetylcholine, cortisol, insulin b. Acetylcholine, insulin, cortisol c. Cortisol, acetylcholine, insulin d. Cortisol, insulin, acetylcholine 8. Which of the following is TRUE of upregulation? a. It occurs when the level of a specific hormone is too high b. It occurs when the level of a specific hormone is too low c. It increases the production and release of a specific hormone d. It decreases the production and release of a specific hormone 9. Which of the following is NOT a way hormone secretion is regulated? a. Signals from the nervous system b. Chemical changes in the blood c. Signals from the peripheral nervous system d. The action of other hormones
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