Gce Model Questions Vol1 2017 Biology Question 36
Practice objective / multiple choice question 36 from the 2017 Gce Model Questions Vol1 Biology examination.
In a resting adult, glucose enters the bloodstream at a constant rate of \(8\) mg·dL\(^{-1}\)·min\(^{-1}\). Basal metabolism removes glucose at a constant rate of \(2\) mg·dL\(^{-1}\)·min\(^{-1}\). When the plasma glucose concentration \(G\) exceeds \(5\) mg·dL\(^{-1}\), insulin is secreted and removes glucose at a rate of \(0.5\,(G-5)\) mg·dL\(^{-1}\)·min\(^{-1}\). When \(G\) falls below \(5\) mg·dL\(^{-1}\), glucagon is released and adds glucose at a rate of \(0.6\,(5-G)\) mg·dL\(^{-1}\)·min\(^{-1}\). Assuming the system reaches a steady state, what is the equilibrium plasma glucose concentration \(G_{eq}\) (in mg·dL\(^{-1}\))?
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This is Gce Model Questions Vol1 2017 Biology Question 36. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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