Patrick's urine sample reveals a high concentration of glucose. Is glucose normally present in urine? Suggest two possible mechanisms to explain why the kidney would excrete excess glucose, and what abnormality may underlie those conditions.
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6) Patrick's urine sample reveals a high concentration of glucose. Is glucose normally present in urine?
Suggest two possible mechanisms to explain why the kidney would excrete excess glucose, and what abnormality may underlie those conditions.
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- A urinalysis reveals that the patients urine contains glucose, hemoglobin, and white blood cells (pus). Are any of these substances abnormal in urine? Explain.Answer the following questions: a. Is glucose normally present in urine? In what condition can it be detected in urine? b. In the presence of positive result in Fehling's and Benedict's tests, how would you eliminate the reducing effect of uric acid and creatinine?1.8 Which of the following is likely to cause the kidney to change the reabsorption of water and/or NaCl? Select one: a. Drinking 1 L of water in a short period of time. (Assume that you weren't dehydrated.) b. Eating a big bag of salty potato chips. c. Forgetting to drink water all day. d. Exercising vigorously in a very hot environment. e. All of the above
- 1. Mention at least 5 proteins, besides albumin, that are present in the urine under pathological conditions. 2. Differentiate pre-renal, renal and post-renal proteinuria and give one example of each. 3. Explain why glucose test that is normally reabsorbed in the proximal convoluted tubule may appear in the urine, and state the renal threshold levels for glucose.Name two metabolic disorders which can be diagnosed by the analysis of urine.Mention at least 5 proteins, besides albumin, that are present in the urine under pathological conditions. Explain why a glucose test that is normally reabsorbed in the proximal convoluted tubule may appear in the urine, and state the renal threshold levels for glucose.
- a. Using Table 10.1, identify the diseases that result when the filtration membranes within the kidneys become damaged and are unable to restrict or regulate the movement/filtration of larger substances. b. What kinds of disorders cause damage to the filtration membrane? ABNORMAL CONDITION CAUSE COMPONENT Caused by glucose levels in the blood that exceed the renal tubule's ability to reabsorb it. It is a common sign of diabetes mellitus. Glucose Glycosuria or Glucosuria Albumin Albuminuria Caused by damage to the glomerular and resulting in the leakage of large quantities of protein, including albumin, into the filtrate. filtration mer Red blood cells Caused by damage to the glomerular filtration membrane, allowing whole cells from the blood to pass into the filtrate. Hematuria Hemoglobinuria Caused by the hemolysis of red blood cells within the bloodstream, which releases hemoglobin into plasma that crossek the glomerular filtraton membrane during Hemoglobin renal filtration. Diseases…Indicate whether the following sentences is True or False 1) Urea is the major nitrogen-containing metabolic product of protein catabolism in humans, accounting for > 75% of the nonprotein nitrogen eventually excreted 2) Dialysis is the process of separating substances in solution based on size and the difference in their diffusion rates through a semipermeable membraneFor many years, antimuscarinic drugs have been the gold standard for treatment of overactive bladder (OAB) syndrome. Focusing on their mechanism of action, describe the advantages and disadvantages of using this class of drugs for the treatment of OAB syndrome.
- a) How does the kidney regulate blood volume and pressure? b) Explain the role of both the autonomic and somatic nervous systems in the regulation of lower urinary tract function and sphincter control.Which of the following statements is true regarding Renal Function and the filtration of molecules? (this is not the same question as '48') 49. A. Large molecules like Glucose are not filtered into the renal tubules because Glucose is too big. B. Glucose molecules are ultimately secreted into the renal tubules; thát is why Glucose is found in the urine of a normal healthy person. C. Glucose molecules are filtered into the renal tubules but are rapidly reabsorbed; that is why very little glucose is found in the urine of a healthy person. D. Plasma Electrolytes are simply too big to be filtered into the renal tubules; that is why only a small concentration of extracellular electrolytes are is found in the urine of a healthy person.24. Measurements are made of the renal tubular fluid concentration of various substances along the length of the proximal tubule and plotted as the tubular fluid to plasma concentration ratio (TF/P). As these substances are reabsorbed along with water, the following profiles are obtained. (All substances are freely filtered at the glomerulus, the TF/P = 1 at the glomerulus.) Glucose is represented by which of the following curves? OA) [Tubular fluid] [Plasma] OB) 3.0- 2.0- 1.0- 0 B O C) E 25 50 75 Proximal tubule length (%) OD) 100 OE)
