Gce Model Questions Vol1 2021 Biology Question 2

Practice objective / multiple choice question 2 from the 2021 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2021 Biology Objective / Multiple Choice Medium Difficulty
Question 2 GCE_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • objective

During a renal clearance test, a substance X has a plasma concentration of \(0.8 \text{ mg·mL}^{-1}\) and a urine concentration of \(2.4 \text{ mg·mL}^{-1}\). The urine flow rate is \(1.5 \text{ mL·min}^{-1}\). (a) Calculate the clearance of X in \(\text{mL·min}^{-1}\). (b) If the glomerular filtration rate (GFR) is \(125 \text{ mL·min}^{-1}\), state whether X is predominantly filtered, reabsorbed, or secreted.

Answer Options

Correct Answer A. a) 4.5 mL·min⁻¹; b) predominantly reabsorbed
B. a) 4.5 mL·min⁻¹; b) predominantly secreted
C. a) 6.0 mL·min⁻¹; b) predominantly secreted
D. a) 3.0 mL·min⁻¹; b) predominantly filtered
Correct Answer
A
Correct Option:
a) 4.5 mL·min⁻¹; b) predominantly reabsorbed

About This Question

This is Gce Model Questions Vol1 2021 Biology Question 2. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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