Study guide‚ block exam 5‚ boil 118‚ Fall 2012‚ Dr. Benjamin Smarr. * Hunger * Neural regulation of * These include hormones and nutrients from the periphery that convey information about energy availability to the brain‚ and to the hypothalamus in particular. Neurons in distinct hypothalamic nuclei that are targeted by these molecules project to other hypothalamic nuclei as well as to extrahypothalamic sites. The complex process of regulating food intake is now known to involve
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meaning urine can be produced and excreted from the body. Moreover‚ urea is a very small molecule and can easily diffuse across permeable membranes such as the capillaries in the glomerulus. The kidney contains numerous functional units called nephrons‚ which produce urine through a series of steps: ultrafiltration of the blood; selective reabsorption of the filtrate and secretion of the harmful substances. Blood flows under high pressure from the afferent arteriole into the glomerulus‚ which
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Final exam Fall 2011 1. Nephrons that control plasma volume are: a. cortical b. juxtamedullary c. juxtaglomerular d. both a and c 1. Hemoglobin that has carbon dioxide bound to it is called: a. Oxyhemoglobin b. deoxyhemoglobin c. carbaminohemoglobin d. hematopoietic 1. Urine moves from the kidney to the bladder by: a. collecting duct b. distal convoluted tubule c. descending loop of Henle d. capsular space 1. Nephrons with a short loop of Henle
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the glomeruli which act as filters‚ allowing water‚ glucose‚ salt and waste materials to pass through to the Bowman’s capsule but preventing and red blood cells and plasma proteins to pass through. Reabsorption occurs in the proximal tubules of the nephron. Water‚ glucose‚ amino acids‚ sodium and other nutrients are reabsorbed into the bloodstream in the capillaries surrounding the tubules. Water moves via the process of osmosis: movement of water from an area of higher concentration to one of lower
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that are not needed are broken down by a process called Domination. In the kidney plasma with some dissolved materials moves from the glomerulus into the Bowman’s capsule by the process of filtration. A person suffering from an inflammation of the nephrons will be diagnosed with brights disease. In order for a person to undergo peritoneal dialysis‚ a minor surgical procedure is needed to insert a tube to add and drain the dialysate as needed. this tube is called cathelar. An estimate of the maximum
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Blood Water Homeostasis or Osmoregulation Osmoregulation is the process by which the body regulated the osmotic pressure of any organism’s fluids in order to keep the homeostasis of the organisms’ water level constant. Therefore osmoregulation is used to keep the bodily fluid from being too diluted or too concentrated. An osmotic pressure is used to measure the ability of water to move from one solution to another solution through osmosis. Osmotic pressure refers to tendency for a liquid solution
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First pass metabolism. Pharmacology is the study of the effects drugs have and how they exert them. Drugs can be administered enteral or parenteral. [1] Enteral refers to any form of administration that involves the alimentary tract. The four enteral routes of administration include the mouth‚ sublingual‚ buccal and rectal. Parenteral refers to routes of administration outside of or beside of the alimentary tract. The parenteral route includes intravascular (IV)‚ Intramuscular (IM) and subcutaneous
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Exercise 9: Renal System Physiology: Activity 1: The Effect of Arteriole Radius on Glomerular Filtration Lab Report Pre-lab Quiz Results You have not completed the Pre-lab Quiz. 03/31/14 page 1 Experiment Results Predict Question: Predict Question 1: What will happen to the glomerular capillary pressure and filtration rate if you decrease the radius of the afferent arteriole? Your answer : b. Both pressure and filtration rate will decrease. Predict Question 2: What will happen to
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EXERCISE 9: RENAL SYSTEM PHYSIOLOGYHere is 9 got 95% Still need help on final 132 | ACTIVITY 1: The Effect of Arteriole Radius on Glomerular Filtration Answers 1. According to your lab manual‚ in humans the glomerular filtration rate (GFR) ranges from _____ to _____ ml/minute. 80 140 2. When the radii of both the afferent arteriole and efferent arteriole were set at 0.45mm‚ the GFR was approximately ______ ml/minute. a. 40 b. 60 c. 80 d. 120 C. 3. True or
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EXERCISE 9: RENAL SYSTEM PHYSIOLOGY Student instructions: Follow the step-by-step instructions for this exercise found in your lab manual and record your answers in the spaces below. Submit this completed document by the assignment due date found in the Syllabus. Rename this document to include your first and last name prior to submitting‚ e.g. Exercise9_JohnSmith.doc. Please make sure that your answers are typed in RED. (You may delete these instructions before submission.) Grading:
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