Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 or 23 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through?50‚100‚ 200 4. Which materials diffused from the left beaker to the right beaker? Urea‚ NaCl and glucose diffused 5. Which did not? Why? Albumin was too large to diffuse into the right beaker. Activity 2: Simulating Dialysis 6. What happens to the urea concentration
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Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through? 50‚ 100‚ and 200 4. Which materials diffused from the left beaker to the right beaker? NaCl‚ Urea‚ and Glucose at MWCO 200 5. Which did not? Why? Albumin‚ too large to diffuse Activity 2: Simulating Dialysis 1. What happens to the urea concentration in the left beaker
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membranes allowed both of these ions through?50‚ 100 and 200 4. Which materials diffused from the left beaker to the right beaker Urea‚ NaCl and glucose diffused 5. Which did not? Why? Albumin‚ because it is too large to diffuse Activity 2: Simulating Dialysis 1. What happens to the urea concentration in the left beaker (the patient)? Its concentration gradient changes and causes it to move down 2. Why does this occur? It happened because the more concentrated it became it causes the
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Simple Diffusion Activity 1: Simulating Simple diffusion 1.What is the molecular weight of Na+? 22.9 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through? 50‚ 100‚ and 200 4. Which materials diffused from the left beaker to the right beaker? Urea‚ NaCl and glucose diffused 5. Which did not? Why? Albumin‚ because the molecular weight exceeded the highest MWCO membrane‚ thus being to large to pass through
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contains more nonpenetrating solute particles than the interior of the cell. c. it contains the same amount of nonpenetrating solute particles as the interior of the cell. 3. Which of the following would require an input of energy? a. diffusion b. filtration c. osmosis d. vesicular transport 4. Circle the correct term. In pinocytosis / phagocytosis‚ parts of the plasma membrane and cytoplasm expand and flow around a relatively large or solid material and engulf it. 5. Circle the correct term. In active
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Excretion in Humans Excretion is the removal of toxic materials‚ the waste products of metabolism and substance in excess of requirements from organisms. Metabolism is chemical reactions taking place inside cells‚ including respiration. The body excretes three main waste materials. These are Carbon Dioxide‚ Urea and Water. Excretion is a very important feature to us because without it toxic substances will build up in our bodies and kill us. It also helps in maintaining the composition of body
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The response to drug treatment seen in the elderly is very different to that seen with younger patients. Altered drug response in the elderly is often associated with changes in the body that result in modification to the pharmacokinetics of the drugs in older people. Absorption changes result from Morphological changes to the gastrointestinal mucosa. GI function changes have an effect on enzymatic breakdown‚ dissolution‚ and drug ionization which then leads to alterations in oral drug absorption
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filtrate and material movement in and out of the nephron’s structural components. 14. Research the points in the nephron’s structure where the three key processes of filtration‚ reabsorptionand secretion occur. Think about how these three processes relate to the composition of blood and to urine. 15. Use a green marker to label where filtration‚ reabsorption and secretion occur along the nephron. 16. Use purple arrows to show where glucose reabsorption occurs in the nephron. Make sure the arrows are
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Best Practice & Research Clinical Anaesthesiology 24 (2010) 365e374 Contents lists available at ScienceDirect Best Practice & Research Clinical Anaesthesiology journal homepage: www.elsevier.com/locate/bean 6 Neonatal fluid management Isabelle Murat‚ MD‚ PhD *‚ Alexis Humblot‚ MD‚ Laure Girault‚ MD‚ Federica Piana‚ MD Department of Anesthesia‚ Hôpital d’Enfants Armand Trousseau‚ 26 avenue du Dr Arnold Netter‚ 75571 Paris‚ Cedex 12‚ France Keywords: blood transfusion colloid
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Chronic renal failure is a worldwide public health problem. Millions of Americans are affected by this disease each year. It is a common condition in which there is progressive loss of kidney functioning. The loss of function usually takes months or years to occur‚ sometime not appearing until kidney function is less than one-tenth of normal. The kidneys have the important job of filtering‚ wastes and excess fluids from your blood‚ which are then excreted in the urine (Huether‚ 2012). When the kidneys
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