Which of the following accurately describes the role of insulin in glucose metabolism?
Insulin increases blood sugar levels by promoting glucose uptake into cells.
Insulin decreases blood sugar levels by promoting glycogen breakdown in the liver.
Insulin decreases blood sugar levels by promoting glucose uptake into cells.
Insulin increases blood sugar levels by inhibiting glycogen synthesis.
The Correct Answer is C
Insulin plays a key role in glucose metabolism by facilitating the uptake of glucose into cells, reducing blood sugar levels. It also promotes glycogen synthesis in the liver and muscle cells.
Incorrect choices:
a. This choice is incorrect. Insulin promotes glucose uptake into cells, leading to decreased blood sugar levels.
b. This choice is incorrect. Insulin promotes glycogen synthesis, which stores glucose and reduces blood sugar levels.
d. This choice is incorrect. Insulin promotes glycogen synthesis, contributing to the storage of glucose and lowering blood sugar levels.
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Related Questions
Correct Answer is C
Explanation
Insulin plays a key role in glucose metabolism by facilitating the uptake of glucose into cells, reducing blood sugar levels. It also promotes glycogen synthesis in the liver and muscle cells.
Incorrect choices:
a. This choice is incorrect. Insulin promotes glucose uptake into cells, leading to decreased blood sugar levels.
b. This choice is incorrect. Insulin promotes glycogen synthesis, which stores glucose and reduces blood sugar levels.
d. This choice is incorrect. Insulin promotes glycogen synthesis, contributing to the storage of glucose and lowering blood sugar levels.
Correct Answer is D
Explanation
Long-standing hyperglycemia in diabetes mellitus can lead to impaired wound healing, as high blood sugar levels affect blood flow and immune function, increasing the risk of infections.
Incorrect choices:
a. This choice is incorrect. Polyuria, polydipsia, and polyphagia are the "three P's" associated with diabetes-related hyperglycemia.
b. This choice is incorrect. Nausea, vomiting, and abdominal pain are not typically related to long-standing hyperglycemia in diabetes.
c. This choice is incorrect. Blurred vision and vision loss are manifestations of diabetic retinopathy, a microvascular complication, rather than impaired wound healing.
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