I. Describe the role of the following hormones in the formation of urine‚ specifically explain the stimulus for their release‚ actions (decrease/increase GFR) and whether or not dilute/concentrated urine results): ADH (Vasopressin) – ADH has an antidiuretic action that prevents the production of dilute urine. Formation of urine = in the DCT and collecting ducts‚ water movement out of the body is regulated by ADH. Stimulus for their release = lowered blood pressure or low salt or water concentration
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1: HOMEOSTASIS: A FRAMEWORK FOR HUMAN PHYSIOLOGY An understanding of homeostasis is essential to the successful mastery of physiology. It is one of the unifying concepts of physiology. Even though our review of various systems of the body are presented across differetn weeks‚ they are all inextricably linked by their role in maintaining the constant internal environment of the body. Learning objectives: The Scope of Human Physiology Students should be able to: identify physiology as the
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liver. D. Summarize the mechanisms of lipid transport and distribution. E. Discuss the use of proteins as an energy source. F. Define metabolic rate‚ discuss the factors involved in determine an individual’s BMR‚ and discuss the homeostatic mechanisms that maintain a constant body temperature. Energetics –Is the flow of energy and its changes from one form to I. another II. Metabolism - Refers to all chemical reactions in an organism A. Introduction to Terms
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P5- Explain dysfunction in relation to water balance and its possible treatments. M3- Discuss dysfunctions in relation to water balance and its possible treatments. For P5 and M3‚ I am going to explain the dysfunctions that relate to the balance between water intake and the disturbance of water output. Then I am going to discuss it in more detail. Oedema‚ also known as dropsy‚ is one of the dysfunctions and this is when there is too much fluid retention in the body. In other words‚ the accumulation
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stable internal environment‚ despite it being affected from the conditions of the external environment. Thermoregulation is a homeostatic system that maintains the body’s core internal temperature. For humans they must maintain an internal temperature of 36.7OC (this is the set point for the internal environment of a human to remain at homeostasis state). Components of a homeostatic system is a receptor‚ a control centre and an effector; The receptor that detects the change from a stimuli (when it becomes
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level decreases Which of the following is correctly matched? Alkalosis and Hypokalemia Body fluid pH will rise dramatically when which condition occurs? Large amounts of bicarbonate are ingested As other mechanisms prepare to respond to a pH imbalance‚ immediate buffering is a result of an increase in which of the following? Bicarbonate/Carbonic Acid regulation Which of the following statements concerning Potassium is false? SIADH is characterized by which of the following? Dilutional
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about there are corresponding systems to maintain this normal‚ stable range. The body maintains homeostasis through a self regulating control system‚ or "homeostatic mechanism" (Shier) if you will. All of these homeostatic
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P5: Explain the concept of homeostasis. P6: Follow guidelines to interpret collected data for heart rate‚ breathing rate and temperature before and after a standard period of exercise. M2: Discuss the probably homeostatic responses to changes in the internal environment during exercise. M3: Present Date collected before and after a standard period of exercise. D2: Evaluate the importance of homeostasis in maintaining the healthy functioning of the body. P5 Homeostasis is a natural
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Big Idea 2 Biological systems utilize free energy and molecular building blocks to grow‚ to reproduce and to maintain dynamic homeostasis. Living systems require both free energy and matter to maintain order‚ grow and reproduce. Organisms employ various strategies to capture‚ use and store free energy and other vital resources. Energy deficiencies are not only detrimental to individual organisms; they also can cause disruptions at the population and ecosystem levels. Biological systems must both
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Chapter One – The human Body: An Orientation (we will assume that the subject is a healthy 22 year old female 125lbs or male 155lbs. I. Define and contrast anatomy and physiology: Anatomy provides is a static image of the body’s architecture vs. Physiology which reveals the body’s dynamic and animated workings. a. Anatomy: (derived from the Greek words “to cut apart”) is the study of the structures of the body parts and their relationship to one another. The essential tools for studying anatomy
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