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What condition is shown in the diagram? Explain how the body regulate this process.
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- Many hormone systems regulate body functions through opposing hormone actions. Describe how opposing hormone actions regulate blood-glucose levels?Figure 37.11 Pancreatic tumors may cause excess secretion of glucagon. Type I diabetes results from the failure of the pancreas to produce insulin. Which of the following statement about these two conditions is true? A pancreatic tumor and type I diabetes will have the opposite effects on blood sugar levels. A pancreatic tumor and type I diabetes will both cause hyperglycemia. A pancreatic tumor and type I diabetes will both cause hypoglycemia. Both pancreatic tumors and type I diabetes result in the inability of cells to take up glucose.Regulation in biological systems depends on feedback .which is an exmple of in formation flow. when diabbetes destroy insulin-producing cells, what infortamtion flow in disrupted? The body is unable to send signals that indicate the amount of sugar in the blood. Cells in the bladder are no longer able to send signals when the blodder fills. Appetite signals no longer regulate feeding . The pancres is unable to produce enzymes to break down protein.
- A diabetic's blood sugar cannot be controlled because their pancreas can not produce enough insulin. To treat the illness, a person must keep track of their blood sugar levels and, if they are too high, inject insulin. What treatment do you think they'd require for low blood sugar?Choose the correct. Insulin inhibits this catabolic process:A. Conversion of protein to aminoacidsB. Conversion of aminoacids to proteinsC. Conversion of glucose to fatty acidsD. GlycogenesisE. Conversion of fatty acids to triglyceridesDiabetes mellitus is characterized by insufficiency of thepancreas to produce enough insulin to regulate the blood sugarlevel. In type I diabetes, the pancreas produces no insulin, andthe patient is totally dependent on insulin from an externalsource to be infused at a rate to maintain blood sugar levelsat normal levels. Hyperglycemia occurs when blood glucoselevel rises much higher than the norm (>8 mmol/L) for pro-longed periods of time; hypoglycemia occurs when the blood sugar level falls below values of 3 mmol/L. Both situations canbe deleterious to the individual’s health. The normal range ofblood sugar is between 3.8 and 5.6 mmol/L, the target rangefor a controller regulating blood sugar.A patient with type I diabetes needs your help to maintainher blood sugar within an acceptable range (3 mmol/L<glucose<8 mmol/L). She has just eaten a large meal (a disturbance) that you estimate will release glucose accord-ing toD(t)=0.5e−0.05t,wheretis in minutes andD(t)is inmmol/L –…
- People with non-insulin-dependent diabetes mellitus are generally not ketosis prone. This is thought to be a result of: the lack of increase in glucagons in the se individuals the presence of insulin in the individuals their obesity the fact that, their blood glucose levels do not tend to rise significantly Metabolic actions of insulin include all of the following except: increased glycogenesis decreased gluconeogenesis increased basal metabolic rate increased skeletal muscle amino acid up-take all of the above are metabolic actions of insulinWhen blood sugar is ________ the islets of Langerhans release ________ in order to tell the cells of the body to start taking in and storing glucose. low; glucagon high; glucagon low; insulin high; insulinWhich of the following statements about insulin istrue?a. Insulin acts as a transport protein, carryingglucose across the cell membrane.b. Insulin facilitates the movement of intracellularglucose transporters to the cell membrane.c. Insulin stimulates the breakdown of storedglycogen into glucose.d. Insulin stimulates the kidneys to reabsorbglucose into the bloodstream
- Which of the following is the primary process by which insulin stimulates glucose transport into adipose tissue cells?A) Activating Na+-K+ ATPaseB) Increasing synthesis of the glucose transporterC) Phosphorylating glucose to maintain the gradient of free glucose across the cellD) Promoting movement of the glucose transporter from the cytoplasm to the cell membraneBecause the prime early symptom of diabetes is a high levelof blood glucose, insulin is often associated primarily withcarbohydrate metabolism. List several other processes thatare insulin-dependent.Insulin regulates glucose uptake and breakdownIn muscle induces glucose into myocytes and gluconeogenesis there as well . true or false