St Joseph ’s College Gregory Terrace Year 12 Biology Assessment Item 6: Extended Experimental Investigation Part A Term 1 2014 The Effect of Exercise on the Maintenance of Homeostasis Name: Jonah McLennan Class: C Teacher: Mrs Hart Group Members: James Wilkinson‚ Samuel Stark‚ Christopher Daly‚ Thomas Yip‚ Andrew
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soaked dialysis tubing * 2 dialysis tubing clamps or pieces of twine * 2 clean plastic pipettes * 1 bottle of Lugol’s solution * 2 glucose test strips Procedure: Begin the experiment by placing 4 full pipettes worth of cooked starch in a beaker. Then‚ use a second clean pipette to add 4 full pipettes worth of α-amylase to the beaker and stir to simulate food mixing with saliva in the mouth. Afterwards‚ leaving the mixture in the beaker‚ obtain a piece of soaked dialysis tubing and
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caused by variety of factors resulting in damage of the nephrons‚ which are the most important functioning unit of the kidneys. Kidney failure can be broken down into three groups: acute‚ chronic‚ end-stage. Once kidney failure is irreversible‚ dialysis or transplantation is the only method of survival. To avoid a kidney transplant‚ one needs to be aware of the pre-disposing factors‚ signs and symptoms‚ available treatments‚ and proper diet. The kidneys are twin organs about the size of a fist
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semi-permeable membrane (dialysis tubing)‚ it will be exposed to different environments and concentration gradients. Hypothesis I thought that that dialysis tubing would end up weighing more as there would be less water and more molecules within the tubing so water would move through the semi-permeable using a concentration gradient into the cell. Variables Independent Variable Solution Dependent Variable - Weight of the dialysis tubing Controlled Variable - Length of dialysis tubing
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000 per year to administer life saving dialysis for a condemned killer. Horacio Alberto Reyes-Camarena was sentenced to death row years ago for brutally stabbing to death an 18-year-old girl and disposing of her body near the Oregon coast. Reyes-Camarena is connected to a dialysis machine for four hours three times a week to expel toxins from his blood. Without dialysis‚ he would certainly die because his kidneys are undergoing renal failure. Each of his dialysis sessions cost $775.80 for treatment
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PATIENT JOHN DOE MEDICAL EXAMINATION AND MEDICAL HISTORY Case Study: You are a first-year RN student and you volunteered to work for San Antonio Hospital in the ER Department. Patient John Doe was brought by the ambulance after he collapsed at work. The triage nurse is assessing him for further evaluation by the ER Physician on duty. Based on your study of Anatomy and using your critical thinking skills‚ you were given the following criteria about Mr. Doe: 1. Personal History: 65 years
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in-center hemodialysis. Describing how a family can work as a system in promoting the health of its members. Recognizing the concept of family most used in the in-center dialysis unit along with identifying if it is the most helpful concept for considering family in nursing practice. Finally‚ relating a nursing theory to the dialysis setting. Family would be immediate members to the patient such as spouse‚ parents‚ and children. In the case where patients do not have family that lives nearby or
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For example money‚ good grades. There are further three categorizations of motivation: • Homeostatic motives • Biogenic motives • Social Motives Homeostatic Motives: Homeostasis: The ability or tendency of an organism to maintain internal equilibrium by adjusting its physiological processes. For example‚ Sweating when internal temperature becomes excessive and shivering to produce heat. Homeostatic motives include hunger‚ thirst and respiration and these motives work to keep the body in balanced
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low water concentration (Purchon 1). Diffusion is the movement of a substance from an area of high concentration to low concentration (Biological 21). With this knowledge we tried to recreate diffusion for students to understand the process. The dialysis bags represented our selectively permeable membrane with the fluid inside it‚ sucrose. How much of the substance moves from the cup to the bag quickly depends on the temperature of the substance. The class used four different temperatures to measure
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Ch 22: The Respiratory System 5-2 Objectives Functional Anatomy of the Respiratory System 1. Identify the organs forming the respiratory passageway(s) in descending order until the alveoli are reached. 2. Describe the location‚ structure‚ and function of each of the following: nose‚ paranasal sinuses‚ pharynx‚ and larynx. 3. List and describe several protective mechanisms of the respiratory system. 4. Distinguish between conducting and respiratory zone structures. 5
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