It is influenced by plant species (Hiltner‚ 1904). It is reported that the carbon assimilated by plants is releases 10–40% in the soil as a form of root secretions. These secretions are composed of numerous organic compounds that act as chemo-attractants for bacteria of rhizosphere even at very low concentration (Philippe‚ 2006). Communities of rhizobacteria recovered from rhizospheric zones of different plants in
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survival & vital chemical activity growth & development of the body repairing function reproductive function lactation FUNCTION to keep the mouth moist‚ required for talking & swallowing of food intake of food digestion secretion of digestive juices from various glands absorption of water‚ vitamins‚ minerals absorption of digestive end products of carbohydrates‚ proteins‚ fats water balance acid-base balance electrolyte balance maintenance of blood sugar level production
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The kidney is made up of nephrons‚ which are a kidney’s functional units. These nephrons collect fluid filtered from the blood. The kidney connects to the renal artery‚ renal‚ vein‚ and ureter. Purified blood leaves the kidney using the renal vein‚ urine leaves using a ureter and the renal artery carries blood from the aorta to the kidney. The nephron has a cup-shaped nephric capsule that surrounds a cluster of capillaries called the glomerulus. A good deal of fluid from the blood filters into the
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extracellular matrix. 4) The junction type that lets neighboring cells exchange small molecules is the A) desmosome. B) hemidesmosome. C) gap junction. D) tight junction. E) zonula adherens. 5) Epithelial cells that are adapted for absorption or secretion usually have ________ at their free surface. A) mitochondria B) cilia C) microvilli D) junctional complexes E) Golgi complexes 6) Dead skin cells are shed in thin sheets because they are held together by "spots" of proteoglycan reinforced
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There are toxic particles in smoke that can stimulate mucus secretion and destroy the infection-fighting phagocytes. (McMillan‚ 2010). Smoking can also make a person more susceptible to colds and other illnesses. Smoking has many risks‚ including bronchitis‚ cancer‚ asthma‚ emphysema‚ COPD‚ cardiovascular disease‚
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ZAP VAP YVONNE SENTNER WAYNESBURG UNIVERSITY NUR589: EVIDENCE-BASED NURSING PRACTICE NANCY STYNCHULA‚ BSN‚ RN OCTOBER 6‚ 2010 INTRODUCTION Ventilator Associated Pneumonia (VAP) is the second most common infection that patients develop while in the hospital and the leading cause of death due to hospital acquired infections (Augustyn‚ 2007). Hospital acquired infections are also known as nosocomial infections. VAP usually happens when patients are on mechanical ventilation (the ventilator)
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Chapters 9 and 10 HOMEWORK 9.1 The Respiratory System 1. Summarize the role of the respiratory system. 2. Distinguish between inspiration and expiration. 3. Identify the structures of the human respiratory system. 9.2 The Upper Respiratory Tract 1. Summarize the role of the nose‚ pharynx‚ and larynx in respiration. 2. Identify the structures of the upper respiratory system and provide their function. 3. Explain how sound is produced by the larynx. 9.3 The Lower Respiratory
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Anticholinergic (Parasympatholytic) Bronchodilators History and Development The prototype anticholinergic agent is atropine‚ which is found naturally in the plants Atropa belladonna and the Datura species. Scopalamine is also extracted from the belladonna plant‚ and both atropine and scopolamine are called belladonna alkaloids. |Agent |Date |Event | |Belladonna
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large dose of the parasympathomimetic drug pyridostigmine. WHat side effects of parasympathetic overstimulation do you expect to see? Answer A. Decreased urination B. Constipation C. Dry eye and eye irritation D. Excessive secretion production 1 points Question 5 1. Your patient has bradycardia. What type of drug do you recommend? Answer A. Sympatholytic B. Sympathomimetic C. Parasympathomimetic D. Both A and C 1 points Question 6 1
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HOMEOSTASIS GROUP 5 RESEARCHERS MUNASHE MUDUMISO R136670X TAWANDA CHIKUKUZA R136602Y JOHN MTINIWA R136553H LEARNMORE SHOTI R136619N WELLINGTON CHIPADZE R113616B MASIMBA Homeostasis is the ability to maintain a stable internal body environment in an ever changing outside world. It can also be said to be the body’s attempt to maintain a relatively constant internal environment in the face of constantly
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