Comprehension-Level Multiple-Choice Items

When the blood glucose level rises after a meal, the first organ to respond is the:

Question

Comprehension-Level Multiple-Choice Items

​When the blood glucose level rises after a meal, the first organ to respond is the:

BlackTom AI · Accepted Answer

Question restatement: When the blood glucose level rises after a meal, the first organ to respond is the:

Option 1: kidney. While the kidneys filter blood and play a role in glucose reabsorption and homeostasis, they are not the first responders to a rise in blood glucose after a meal. Their involvement in glucose handling occurs after glucose has entered the bloodstream and has been sensed by other organs, making this choice unlikely as the initial responder.

Option 2: stomach. The stomach is mainly involved in mechanical digestion and the release of gastric contents, acid, and enzymes. It does not directly detect or regulate blood glucose levels in response to a meal, so this is not the first organ to respond to elevated glucose.

Option 3: pancreas. The pancreas contains beta cells that secrete insulin in response to rising blood glucose. This rapid hormonal response is central to lowering blood glucose after a meal by promoting glucose uptake into tissues. This option aligns with the canonical sequence of postprandial glucose regulation, making it a strong candidate for the first responder.

Option 4: gallbladder. The gallbladder stores and concentrates bile and releases it in response to fat intake, aiding digestion but not regulating blood glucose levels directly. It does not serve as the first sensor or regulator of post-meal glucose rise.

Option 5: liver. The liver plays a key role in glucose metabolism, including glycogen storage and gluconeogenesis, and it responds to insulin and glucagon. However, the initial response to a rise in blood glucose is typically insulin release from the pancreas, after which the liver adjusts glucose production and uptake. Thus, while the liver is involved, it is not the first organ to respond.

Summary: Among the options, the organ most directly responsible for the immediate response to increased blood glucose after a meal is the pancreas, which detects the rise and secretes insulin to facilitate glucose uptake by tissues. The other organs have important digestive or metabolic roles but do not initiate the first response to postprandial glucose elevation.

Comprehension-Level Multiple-Choice Items When the blood glucose level rises after a meal, the first organ to respond is the:单项选择题

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Multiple Choice: Which of the following is NOT True concerning blood sugar regulation?

When blood glucose levels are high, the pancreas releases [ Select ] pancreatic juices glucagon insulin to induce the liver and body to take up circulating glucose. When blood glucose is low, the pancreas releases [ Select ] insulin glucagon to induce the liver to increase blood glucose levels.

When blood glucose levels are low, the pancreas releases [ Select ] pancreatic juices insulin glucagon to induce the liver to increase blood glucose levels. When blood glucose is high, the pancreas releases [ Select ] glucagon insulin to induce the body to take up circulating glucose.

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Comprehension-Level Multiple-Choice Items ​When the blood glucose level rises after a meal, the first organ to respond is the:单项选择题