(1)Arthritis has been around for many years and has affected millions of people around the world. I believe to fully understand this disease you should first understand the history of it and where it came from. So first off what is arthritis? (3)Arthritis is the inflammation of one or more joints with various reasoning such as injury to joint autoimmune disorders to normal wear and tear. There are many types of arthritis such as rheumatoid arthritis‚ Osteoarthritis and Gouty. These are not the only
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human body requires homeostasis to keep a set point at a constant. With feedback loops‚ the internal environment of the body can achieve to keep it at the set point. All homeostatic mechanisms use a feedback loop to inform the body about any changes that occur externally or internally. There are two different kinds of homeostatic mechanisms: a positive feedback mechanism and a negative feedback mechanism. Positive feedback mechanisms boost physiological processes and amplify the system’s action to
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A) The year 2003‚ started off fine and well just like other years‚ but it didn’t last for long. In the month of February‚ came devastating news that shocked the Nation. It was identified as severe acute respiratory syndrome (SARS). The disease was contracted by young woman who had holidaying abroad. SARS virus spread rapidly and several fatal cases were reported. Apart from Singapore‚ several other neighbouring countries were also affected by the SARS virus. It was a global epidemic. It was a
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Homeostasis is a mechanism that allows organisms to maintain stable internal conditions (Reece 2014). The capability to perform homeostasis is essential for the survival of all organisms. Homeostatic mechanisms include a range of responses that regulate internal imbalances‚ including body temperature. A vital component of homeostasis is known as thermoregulation‚ the process of maintaining temperatures within a normal range (Reece 2014). When ambient temperatures change‚ animals must control their
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Anaemia – a condition where there is a reduction in the number of red blood cells and a deficiency of haemoglobin in the blood. Possible Causes of Anaemia – severe blood loss‚ failure of the bone marrow to produce red blood cells‚ genetic inability of red blood cells to carry oxygen adequately‚ destruction of red blood cells by the body or foreign substances‚ dietary (problems with child growth). Common types of Anaemia – Iron deficiency – lack of iron which is the main constitute of Hb‚ pernicious
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Chapter 1 : Organization of the Human Body Anatomy · Study of the structure and shape of the body and its parts Physiology · Study of how the body and its parts work or function Anatomy: Levels of Study · Gross/Macroscopic Anatomy · Large structures · Easily observable · Regional anatomy · all the structure (muscles‚ bones‚ blood vessels‚ nerves‚ etc.) in the particular region of the body‚ such as the abdomen or leg‚ are examined. · Systemic anatomy
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in the environment. Nervous systems are thus faced with a fundamental problem: how to allow plastic mechanisms to shape their output and function‚ without compromising the stability and integrity of the underlying circuits that drive behavior. Homeostatic plasticity mechanisms that allow neurons to sense how active they are and to adjust their properties to maintain stable function Given the complexity of most central neural circuits‚ maintaining stability in function is a problem that permeates
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body which interact together and balance each other. Studies say that high levels of adenosine leads to sleepiness. According to the two process model of sleep regulation the timing and structure of sleep are determined by the interaction of a homeostatic and a circadian process. The original qualitative model was elaborated to quantitative versions that included the ultradian dynamics of sleep in relation to the non rem-rem sleep cycle. The time course of eeg slow wave activity is the major marker
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co-ordinating homeostatic mechanisms’ (Human Body) whilst using feedback. If a change in condition is detected a corrective mechanism is activated‚ conditions return to set point and the corrective mechanism is then switched off. The conditions are then at constant level. Some of the factors controlled by homeostatic mechanism are: body temperature‚ blood glucose level‚ water content of the body‚ respiration and urea being carried by the blood. The changes within the homeostatic system is often
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herniation. C. Protrusion of disk material may be detected by CT scan or myelogram. D. Part of the nucleus pulposus is extruded through a weak area or tear in the annulus fibrosus. Ans: B Page: 736 3. Which of the following statements regarding gout is INCORRECT? A. It is a disturbance of purine metabolism. B. It is associated with an autoantibody directed against antigens in joint cartilage. C. Uric acid may precipitate in tissues‚ forming gouty tophi. D. The frequency of attacks can be reduced
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