likely cause of death. 4. If you suspected that a patient’s symptoms were caused by the condition suffered by Jennifer‚ Cassandra‚ and James‚ what kinds of test would you run to confirm your suspicions? - Tests should be run to see how much sodium is in the body‚ available for use. Electrolyte tests should give an idea of the concentration of salts. 5. Once you knew the cause of their symptoms‚ what kind of emergency treatment might you try for a patient like Cassandra or James if you were
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acidosis? What is this called? What effects does it have? 3. Burn patients have damaged skin cells that are unable to prevent water loss. The kidneys help retain water by using the sodium-potassium pump. It pumps more sodium into the cells so that water can follow the movement of sodium and can be reabsorbed. Sodium ions are exchanged with potassium being pumped out of the cells into the renal tubules‚ where it’s secreted in urine. Therefore‚ potassium levels in urine are high. 4. Acidosis can
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Dehydration Sci/241 Abbe Breiter-Fineberg 4/1/2012 Passing out‚ lethargy‚ constipation‚ dry mouth and even dry eyes are very few symptoms in the long list of signs to tell us that we are dehydrated. Being dehydrated is potentially very bad and if not taken care of a person can end up in the hospital or even dying. Many things can cause dehydration including drinking too much alcohol or simply not drinking enough water. Without ample amounts of water our bodies cannot function correctly‚
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point. Muscle Cell stimulated by Acetylcholine: A motor neuron releases Acetylcholine which diffuses toward the muscle cell across the neuromuscular junction. As the Acetylcholine binds to a receptor on the muscle cell membrane‚ it signals the sodium leak channel to open. This causes a localized depolarization to occur. Soon after this causes the Na+ voltage gated channels to open spreading a wave of depolarization across the membrane and cell.le Cell at rest: As the muscle cell is at rest
Free Action potential Potassium Acetylcholine
FOUNDATION IN SCIENCE INTRODUCTION TO PRACTICAL ORGANIC CHEMISTRY – MAKING AND PURIFYING ORGANIC COMPOUNDS Stage 1 – Deciding how much reagent to use Most organic reactions do not go to completion; most reach an equilibrium position with significant quantities of reactants still remaining. In addition‚ separating the desired product from the rest of the reaction mixture‚ and then purifying it‚ will result in the loss of more of the product. The amount of product obtained expressed as a percentage
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extracellular Na+ did not significantly alter the membrane potential in the resting neuron? Your answer: There are less sodium leak channels than potassium leak channels‚ and more of the potassium channels are open. 4. Discuss the relative permeability of the membrane to Na+ and K+ in a resting neuron. Your answer: Membrane permeability to sodium is very low because there are only a few sodium leak channels. The membrane is more permeable to potassium because of the higher number of potassium leak channels
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is: Ccal=qcal∆T qrxn=nLR x ∆H The students are the ones responsible in preparing their own solution. Inside the test tube the students put the reagents used for calibration to determine the heat capacity of the calorimeter. These reagents are: sodium hydroxide and HCl. Then the students measure the temperature with 15 seconds intervals. The students made two trials and determine the change in temperature which is needed for the calculations. After the calibration‚ the students
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failure. She is awake‚ alert‚ oriented‚ and complaining of severe back pain‚ nausea and vomiting and abdominal cramps. Her vital signs are blood pressure 100/70 mm Hg‚ pulse 110‚ respirations 30‚ and oral temperature 100.4°F (38°C). Her electrolytes are sodium 120 mEq/L‚ potassium 5.2 mEq/L; her urinary output for the first 8 hours is 50 ml. The client is displaying signs of which electrolyte imbalance? A. Hyponatremia B. Hyperkalemia C. Hyperphosphatemia D. Hypercalcemia Assessing the laboratory
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The Nervous System: Membrane Potential 1. Record the intracellular and extracellular concentrations of the following ions (mM/L): | Intracellular | Extracellular | Sodium (Na+) | 15 | 150 | Potassium (K+) | 150 | 5 | Chloride (Cl–) | 10 | 125 | 2. Excitable cells‚ like neurons‚ are more permeable to K+ than to Na+. 3. How would the following alterations affect the membrane permeability to K+? Use arrows to indicate the change in permeability. a. An increase in the number of passive
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Dehydration Jessica M. Hescott Lisa Morris May 11th‚ 2011 What is Dehydration & What causes it? Water is essential to maintaining a state of good health. Considering the adult body is comprised of nearly
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