Role Of Pancreas And Liver In The Regulation Of Absorbed Food Substance
Role of pancreas and liver In the regulation of absorbed food substance
- 1.
Insulin and Glucagon are hormones produced by?
- A.
Liver
- B.
Pancreas
- C.
Stomach
- D.
Blood cells
Correct Answer
B. PancreasExplanation
Insulin and glucagon are hormones that regulate blood sugar levels. Insulin is produced by the beta cells in the pancreas and helps to lower blood sugar levels by promoting the uptake of glucose into cells. Glucagon, on the other hand, is produced by alpha cells in the pancreas and helps to raise blood sugar levels by stimulating the liver to release stored glucose. Therefore, the correct answer is pancreas.Rate this question:
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- 2.
When is Insulin needed?
- A.
When the blood glucose concentration is high.
- B.
When the blood glucose concentration is low.
- C.
When the blood glucose concentration is normal.
Correct Answer
A. When the blood glucose concentration is high.Explanation
Insulin is needed when the blood glucose concentration is high because insulin is a hormone that helps regulate blood sugar levels. When blood glucose levels are high, the pancreas releases insulin to signal cells to take in glucose from the bloodstream, thereby lowering blood sugar levels. Insulin also helps store excess glucose as glycogen in the liver for later use. Therefore, when blood glucose concentration is high, the body requires insulin to bring it back to normal levels and maintain overall glucose homeostasis.Rate this question:
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- 3.
Which of the following is NOT the function of the liver?
- A.
Contains sodium bicarbonate(alkaline) which neutralizes the acidic material from the stomach.
- B.
Regulates blood glucose concentration.
- C.
Plays a role in carbohydrate metabolism.
- D.
The liver detoxifies blood from intestines.
Correct Answer
A. Contains sodium bicarbonate(alkaline) which neutralizes the acidic material from the stomach.Explanation
The liver performs many important functions in the body, including regulating blood glucose concentration and playing a role in carbohydrate metabolism. It also detoxifies blood from the intestines. However, the liver does not contain sodium bicarbonate to neutralize acidic material from the stomach. This function is performed by the pancreas, which produces and releases bicarbonate ions into the small intestine to neutralize the acidic chyme coming from the stomach.Rate this question:
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- 4.
Which of the following is NOT found in pancreatic juice?
- A.
Lipase
- B.
Trypsin
- C.
Protease
- D.
Chymotrypsin
Correct Answer
C. ProteaseExplanation
Protease is not found in pancreatic juice. Pancreatic juice contains enzymes that aid in the digestion of proteins, fats, and carbohydrates. Lipase is an enzyme that helps break down fats, trypsin is an enzyme that breaks down proteins, and chymotrypsin is another protein-digesting enzyme. However, protease is a general term that encompasses enzymes that break down proteins, so it is not specific to pancreatic juice.Rate this question:
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- 5.
Which of the following is false about the regulation of liver?
- A.
The liver detoxifies blood from intestines
- B.
The liver receives regulatory innervation via hormones in the blood and through the autonomic nervous system.
- C.
Iiver destroys old red blood cells and converts hemoglobin from these cells to bilirubin and biliverdin which are components of bile.
- D.
Ammonia produced by the digestion of proteins is converted to a less toxic compound by the liver.
Correct Answer
B. The liver receives regulatory innervation via hormones in the blood and through the autonomic nervous system.Explanation
The liver receives regulatory innervation via hormones in the blood and through the autonomic nervous system. This statement is false because the liver does not receive regulatory innervation through hormones in the blood. Instead, the liver is regulated by the autonomic nervous system, which consists of sympathetic and parasympathetic nerves. These nerves control the liver's functions such as glucose metabolism, bile production, and detoxification.Rate this question:
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Mar 15, 2023Quiz Edited by
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Mar 27, 2010Quiz Created by
Biopeerteaching
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