When the pancreas detects a high concentration of the blood’s sugar glucose it releases group of answer choices?

When the pancreas detects high concentration of the blood’s sugar glucose it releases?

Insulin is released from the beta cells in your pancreas in response to rising glucose in your bloodstream. After you eat a meal, any carbohydrates you’ve eaten are broken down into glucose and passed into the bloodstream. The pancreas detects this rise in blood glucose and starts to secrete insulin.

When glucose is taken in by the digestive track and enters your blood cells are triggered to take in the glucose by what mechanism?

Glucagon binds a GPCR on liver and muscle cells called the glucagon receptor, which then stimulates the cells to release glucose into the bloodstream. Another hormone involved in glucose control is called glucagon-like peptide-1 (GLP-1).

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Which one of the following site stores nutrients for release to meet the cells needs between meals?

The liver is the only organ in the human body that is capable of exporting nutrients for energy production to other tissues. Therefore, when a person is in between meals (fasted state) the liver exports nutrients and when a person has just eaten (fed state) the liver stores nutrients within itself.

Which of the following hormones signals the liver to release stored glucose molecules into the bloodstream?

Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream. High BG levels stimulate the release of insulin.

What does the pancreas secrete?

The pancreas contains exocrine glands that produce enzymes important to digestion. These enzymes include trypsin and chymotrypsin to digest proteins; amylase for the digestion of carbohydrates; and lipase to break down fats.

How does the pancreas detect blood glucose levels?

The beta cells of the pancreatic islets of Langerhans respond to changes in glucose concentration by varying the rate of insulin synthesis and secretion. Beta cells sense glucose concentration by the levels of the products of glucose catabolism.

How does insulin move glucose into cells?

In response, the pancreas secretes insulin, which directs the muscle and fat cells to take in glucose. Cells obtain energy from glucose or convert it to fat for long-term storage. Like a key fits into a lock, insulin binds to receptors on the cell’s surface, causing GLUT4 molecules to come to the cell’s surface.

Where does 90 of digestion occur?

The small intestine is the next location where digestion takes place. But unlike the stomach, which has minor absorptive property, 90% of food absorption occurs in the small intestine. The small intestine has three segments: the duodenum, the jejunum, and the ileum.

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What is the main role of insulin in glucose carbohydrate metabolism quizlet?

Insulin is the key hormone of carbohydrate metabolism, it also influences the metabolism of fat and proteins. It lowers blood glucose by increasing glucose transport in muscle and adipose tissue and stimulates the synthesis of glycogen, fat, and protein.

Where does most of the digestive process take place?

Your small intestine is the longest part of the human digestive system. It’s 20 feet long. After food leaves your stomach, it passes into your small intestine. This is where most of the digestive process takes place.

Which of the following organs stores and releases nutrients?

The hepatocytes are the main cell type of the liver. They process, store, and release nutrients into the blood.

What sites store and release nutrients between meals?

Liver. The liver produces a digestive juice called bile. The gallbladder stores bile between meals.

When does the liver release glucose?

When nutrients become scarce, even after a few hours of fasting, the liver releases glucose to the blood by regulating the two primary glucose production metabolic pathways, glycogenolysis and gluconeogenesis. In order to achieve net glucose production or uptake, key enzymes in these pathways must be tightly regulated.

What hormone released from the pancreas in response to a low blood glucose level acts to raise blood glucose back to normal?

Glucagon is produced to maintain glucose levels in the bloodstream when fasting and to raise very low glucose levels.

Which of the following pancreatic hormones lowers the blood glucose level?

The most important hormone that the pancreas produces is insulin. Insulin is released by the ‘beta cells’ in the islets of Langerhans in response to food. Its role is to lower glucose levels in the bloodstream and promote the storage of glucose in fat, muscle, liver and other body tissues.

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