The glomerulus is primarily associated with which function? Possible Answers: Active transport. Correct answer: Filtration. Explanation : The glomerulus is a capillary structure associated with the first section of the nephron where blood enters the renal corpuscle.
Possible Answers: Water is reabsorbed in the descending limb of the loop of Henle. Water is reabsorbed in the distal convoluted tubule. The macula densa cells are found within the lumen of the distal convoluted tubule. Correct answer: All of these. Explanation : All of the answer choices are true. Possible Answers: Glomerulus. Possible Answers: Reabsorption of water increases as a result of additional aquaporins being placed in the distal convoluted tubules and collecting duct. Correct answer: Reabsorption of water increases as a result of additional aquaporins being placed in the distal convoluted tubules and collecting duct.
Explanation : ADH acts upon the collecting ducts and distal convoluted tubules of nephrons to increase water reabsorption. Concentration and dilution of urine is a major responsibility of what part of the nephron? Correct answer: Loop of Henle. Explanation : As filtrate passes through the Loop of Henle, the level of concentration of the fluid that will become urine is determined by the length of the loop of Henle how far into the medulla it dips and, the osmolality of the medulla.
Possible Answers: water and solute impermeable. Correct answer: water permeable and solute impermeable. Explanation : The descending limb of the loop of Henle is both water permeable and solute impermeable. Possible Answers: vasa recta. Correct answer: vasa recta. Explanation : The afferent and efferent arterioles are located near the glomerulus and control the glomerular filtration rate by constriction and dilation. Copyright Notice. View Tutors.
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An ADH test alone is usually not enough to make a diagnosis. Your doctor will probably need to perform a combination of tests. Some tests that may be performed with an ADH test include the following:. Excessive urination volume or polyuria occurs when you urinate more than normal. Urine volume is considered excessive if it equals more than 2. Diabetes insipidus DI is not a form of diabetes. Nephrogenic diabetes insipidus NDI is a rare disorder that occurs when your kidneys are unable to concentrate urine.
Find out about the causes and…. A urine concentration test determines how well your kidneys are functioning. Find out what to expect. Polydipsia is the feeling of extreme thirstiness. Learn how polydipsia is related to diabetes, including causes, symptoms, and more.
A metabolic disorder occurs when the metabolism process fails. We'll explain the causes and different types. Discover the link between type 2 diabetes and kidney disease, the leading cause for kidney failure in the United States. Learn preventive steps you…. Health Conditions Discover Plan Connect. Medically reviewed by Elaine K. Luo, M. What is ADH? Purpose of ADH level testing. How the blood sample is taken. How to prepare for your blood test.
A low level results in greater urine production. Normally, the amount of ADH in the body is higher during the night. This helps prevent urination while you are sleeping.
But if the levels of ADH remain low during the night, the body will produce large amounts of urine, so urination during the night is more likely. Sometimes this hormone system develops slowly in children and prevents the normal nighttime increase in ADH. This can increase the risk of Bedwetting during the night.
Over time, this problem usually gets better on its own. Author: Healthwise Staff.
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