Gce Model Questions Vol1 2020 Biology Question 35

Practice objective / multiple choice question 35 from the 2020 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2020 Biology Objective / Multiple Choice Medium Difficulty
Question 35 GCE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • objective

In urine the concentrations of calcium and oxalate are 5 mmol L⁻¹ and 0.2 mmol L⁻¹ respectively. Calcium oxalate stone formation occurs when the product of these concentrations exceeds 0.8 mmol² L⁻². Citrate therapy binds 30 % of the free calcium, reducing the free calcium concentration proportionally. After citrate treatment, will the product of calcium and oxalate concentrations be below the stone‑formation threshold?

Answer Options

A. No, the product remains above the threshold
B. No, the product falls below the threshold
Correct Answer C. Yes, the product falls below the threshold
D. Yes, the product is exactly at the threshold
Correct Answer
C
Correct Option:
Yes, the product falls below the threshold

About This Question

This is Gce Model Questions Vol1 2020 Biology Question 35. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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