What is Pheochromocytoma? 4-7-2012 What is Pheochromocytoma and is there a cure? According to the Merriam-Webster dictionary Pheochromocytoma is defined as‚ a tumor that is derived from chromaffin cells and is usually associated with paroxysmal or sustained hypertension. Chromaffin refers to staining deeply with chromium salts <chromaffin cells of the adrenal medulla>. Paroxysmal means‚ of‚ relating to‚ or marked by paroxysms < the hypertension may be either sustained or paroxysmal>
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The steps of the general adaptation syndrome that I would experience are alarm reaction‚ which is the body’s initial response to any stressors. This reaction mobilizes or arouses the body in preparation to defend itself against a stressor. This reaction involves a number of body changes‚ which are initiated by the brain and further regulated by the endocrine system and the sympathetic division of the autonomic nervous system. The next stage of the general adaptation syndrome I would experience
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By: desi Handling Stress This essay is about handling the stress of University studies. We will be looking into many ideas and different people¹s views on how to handle stress. I will also be giving my own opinions on how I think stress can be controlled or relieved. The first thing we must do is ask ourselves one very important question‚ ³what is stress²? WHAT IS STRESS? According to an Australian born physician‚ Hans Selye (1979)‚ stress is the nonspecific response of the body to any demand
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Aldosterone‚ what it is and why it is important? Aldosterone is a hormone produced and released from the adrenal glands above the kidneys. Its role is to increase the reabsorption of sodium ions from the loop of Henle and Distal tubule to conserve sodium in the blood and body fluids. When sodium ions enter the blood from the distal tubule‚ water follows by osmosis‚ which increases blood volume and blood pressure. If there is an increased blood volume and blood pressure from high salt concentrations
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Emotion is a difficult concept to define within psychology due to two different perspectives that should be considered being cognitive and biological. The cognitive perspective suggests that emotion is based more on the factors of the mental processes. The biological perspective suggests that emotion is influenced by biological systems and performances and is based on physiological responses. It has been suggested that there is a possible interaction between cognitive and biological processes that
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Describe the four classes of chemical messengers. The human body contains chemical messengers. There are four groups of chemical messengers within the human body. Each chemical messenger are unique in their own way‚ having different functions throughout the body. The four groups are as follows in no specific order: Autocrine‚ paracrine‚ neurotransmitter‚ and endocrine. Neurotransmitter chemical messengers are let out by neurons where they are deposited into the synaptic cleft. Neurotransmitter
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Recognising Adrenal Fatigue -its Symptoms And Treatment By sivanna health Mar 14‚ 2015 Adrenal Fatigue is a functional health disorder. It needs to be considered in all cases of Chronic Fatigue Syndrome. It can be a very debilitating state. Health experts state that stress is the major contributing factor‚ be it physical or emotional stress. Appropriate management is essential to ensure a positive outcome and restore wellbeing. It is vital to pick up the wide and varied symptoms that are related
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Background The stress response in the body triggered by the sympathetic nervous system (SNS) contains two different chemicals – neurotransmitters and hormones. Neurotransmitters‚ specifically norepinephrine (NE)‚ are released into the postganglionic synapses of the sympathetic nervous system (SNS) during flight or fight response. NE carries out its effects on a target cell by binding to and activating adrenergic receptors. NE is usually eliminated through the reuptake into presynaptic cells and enzymes
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Introduction Stress is caused by “the consequence of an organism’s failure to respond adequately to physical or psychological demands.” (Yu‚ Chen‚ Liu‚ & Zhou‚ 2013‚ p. 1) Stress in the long run could cause someone to become sick. Stress also affects the anterior cingulate cortex (ACC) which is partially responsible for multiple subconscious functions such as regulating blood pressure and heart rate. People and cultures have methods to control their levels of stress; one method is to chew gum. “chewing
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All of tom’s symptoms indicate a TBI. Cushing’s Triad indicates a raise in Intracranial Pressure (ICP). Cushing’s triad consists of Increased systolic pressure‚ Decreased pulse rate (bradycardia) and Irregular respiratory pattern (Leon-Villapalos‚ 2012). Tom’s blood pressure Increased from 150/90mm Hg to 170/100mm Hg within only 10 minutes. His heart rate went from 70 to 55 and his respiratory rate has increased from 18 to 22 and has stayed irregular. This shows that the Cushing’s triad is happening
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