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.

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.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter1: Introduction To Physiology And Homeostasis

Section: Chapter Questions

Problem 3TAHL: The hormone insulin enhances the transport of glucose (sugar) from the blood into most body cells....

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The regulation of the blood glucose level represents an important feedback loop in the hu- man body. After a meal, the blood glucose level becomes elevated, stimulating beta cells of the pancreas to release insulin into the blood. Excess glucose is then converted to glycogen in the liver, reducing blood glucose levels. Which of the following represents the stimulus in this feedback loop? A conversion of glucose into glycogen B с D elevation of the blood glucose level decrease in the blood glucose level release of insulin by the pancreas
Describe how blood sugar (e.g. glucose plasma concentration) is regulated with the hormones, insulin, and glucagon. For this feedback loop, identify the following components of the feedback loop: stimulus, receptor, control center, efferent pathway, effector, and response. Be comfortable with this feedback loop to be able to describe the effects of changing various components of the feedback loop.
Which of the following demonstrates a negative feedback response? a opening of voltage-gated potassium channels in response to a depolarizing graded potential b release of antidiuretic hormone (ADH) in response to decreased blood pressure c a decrease in heart rate in response to an increase in mean arterial pressure (MAP) d release of insulin in response to elevated levels of blood glucose during the absorptive state e all of the above
If our body lack of insulin, is it mean the glucose in our blood is low concentration now. So is it will effect pathways in mucles cell like glycolysis, fatty acids synthesis, glycogen synthesis, gluconeogenesis (increase or decrease)? I know the liver can regconize that low or high concentration of blood glucose so insulin or glucagon can act as the signal for liver can know, but is the muscle cell can do it to? If not, how they know to adjust their pathways. And if our body lack of insulin, is the liver cells response same as glucagon signaling.
An example of negative feedback mechanism is the control of blood glucose levels by insulin. A __________ in blood glucose leads to the pancreas secreting insulin that promotes __________ of glucose from the bloodstream. fall; release fall; removal rise; removal rise; release none of the above
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Which of the following cell(s)/tissue(s) require insulin to absorb glucose? leukocytes skeletal muscle neural tissue cardiac muscle
The hormone insulin enhances the transport of glucose (sugar) from the blood into most body cells. Its secretion is controlled by a negative-feedback system between the concentration of glucose in the blood and the insulin-secreting cells. Therefore, which of the following statements is correct? A decrease in blood glucose concentration stimulates insulin secretion, which in turn further towers blood glucose concentration. An increase in blood glucose concentration stimulates insulin secretion, which in turn lowers blood glucose concentration. A decrease in blood glucose concentration stimulates insulin secretion, which in turn increases blood glucose concentration. An increase in blood glucose concentration stimulates insulin secretion, which in turn further increases blood glucose concentration. None of the preceding is correct.
The hormone insulin enhances the carrier-mediated transport of glucose into most of the bodys cells but not into brain cells. The uptake of glucose from the blood by neurons does not depend on insulin. Knowing the brains need for a continuous supply of blood-borne glucose, predict the effect that insulin excess would have on the brain.
Chronic stress or GC exposure can cause insulin resistance. The influence of GC on insulin is complex, but leads to hyperinsulinemia (high circulating insulin levels) and insulin resistance. Insulin resistance is typically caused by a decreased number of insulin receptors on the cell surface. Speculate on a mechanism resulting in a decreased number of insulin receptors.
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Which of the following cell(s)/tissue(s) require insulin to absorb glucose? (Select all that apply) O leukocytes skeletal muscle neural tissue O adipose tissue