BIOS256 Week 4 Lab: #10 Influence of Fluid Intake on Urine Formation Laboratory Report Activity 10: Influence of Fluid Intake on Urine Formation PREDICTIONS 1. Urine output will be highest during: water loading 2. Urine osmolality will be lowest during: dehydration 3. Plasma osmolality: increases with dehydration METHODS AND MATERIALS 1. Dependent variable: urine and plasma values 2. Independent variable: fluid intake 3. Controlled variables: age‚ gender‚ and weight;
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Maple Sugar Urine Disease Classic Maple Sugar Urine Disease or MSUD is a genetic amino acid disorder in which body isn’t able to break down the amino acids found in proteins such as leucine‚ isoleucine and valine. MSUD is also referred to as branched chain ketoaciduria. BCKADs or Branched-Chain Alpha-Keto Acid Dehydrogenase are enzymes that break down those amino acids. This causes the urine to smell like maple syrup. When these amino acids build up in the blood they cause complications.
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Urine production If body fluids are hypo osmolar‚ then kidney will produces hypo osmolar urine. (Dilute urine) If body fluids are hyper osmolar (dehydration) then kidney produces hyperosmolar urine. (concentrated urine) In the renal cortex the osmolarity of interstitial fluid is 300mOs/L going to 1200mOs/L in the papilla. From the cortex to the papilla there is an increasing hyper osmolarity of the interstitial fluid. Cortico papillary osmolarity gradient. Urine with osmolarity more than 300mOs/l
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Homeostasis –Urine Analysis OBJECTIVES 1) To know know the various urine components 2) To detect abnormal constituents 3) To get a brief introduction on clinical biochemistry INTRODUCTION Homeostasis mechanism of human body will regulate the osmotic pressure of the blood. This function is carried out by the kidneys‚ that will filter blood and produces urine through three stages: ultrafiltration‚ reabsorption and secretion. The end product of the process will produce urine‚ which contains
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products in the urine‚ but hour by hour‚ the other functions are more important. UREA Urea is a waste product of amino acid metabolism. Remember‚ proteins are made of amino acids‚ so when you break down proteins‚ you break down amino acids‚ and the waste product left over is urea. This is the main waste product in urine. COLOR OF URINE When you urinate‚ it should be mostly clear with almost no yellow color. The more yellow the urine is‚ the more dehydrated you are. If the urine is very dark yellow
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relax and expand to store urine‚ and contract and flatten to empty urine through the urethra. The typical healthy adult bladder can store up to two cups of urine for two to five hours. * Two sphincter muscles - circular muscles that help keep urine from leaking by closing tightly like a rubber band around the opening of the bladder. * Nerves in the bladder - alert a person when it is time to urinate‚ or empty the bladder. * Urethra - the tube that allows urine to pass outside the body
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of the different types of kidney stones? A kidney stone develops from crystals that separate from urine and build up on the inner surfaces of the kidney. Normally‚ urine contains chemicals that prevent or inhibit the crystals from forming‚ however‚ in some people‚ stones still become formed. Crystals that remain small enough will travel through the urinary tract and pass out of the body in the urine without even being noticed. · calcium stones Calcium stones are the most common type of stones.
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However‚ urine is a very good indicator on how things work in the one’s body. The amount of urine output is one of the many things that have to be considered in examining the health of a person. In this experiment‚ the researchers would want to know the effects of exercise‚ salty foods‚ and water in the urine output of a person. III. Objectives • To determine the effect of sodium chloride on the urine output of man • To distinguish the influence of exercise on the urine output of
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(right). The product of the kidneys is urine‚ a watery solution of waste products‚ salts‚ organic compounds‚ and two important nitrogen compounds: uric acid and urea. Uric acidresults from nucleic acid decomposition‚ and urea results from amino acid breakdown in the liver. Both of these nitrogen products can be poisonous to the body and must be removed in the urine. Nephron The functional and structural unit of the kidney is the nephron. The nephron produces urine and is the primary unit of homeostasis
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usually seen in women who have given birth as it is related to pelvic relaxation. Patients lose urinary control when they cough or bear down due to increased intraabdominal pressure. Overflow incontinence occurs when the bladder is full of urine and the urine spills out because it has reached its filling capacity. This usually occurs in men with
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