Question

1. Which of the following is used to calculate GFR? a. insulin b. creature c. PAH...

1. Which of the following is used to calculate GFR?
a. insulin
b. creature
c. PAH
d. both a and b

2. The average GFR is equal to
a. 125 ml/min
b. 150 ml/min
c. 250 ml/min
d. none of the above

3. if the effective renal plasma flow equals 900 ml/min, TRPF equals.
a. 800 ml/min
b. 1000 ml/min
c. 1250 ml/min
d. none of the above

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Homework Answers

Answer #1

(1)

Inulin and creatinine are used to estimate the GFR (glomerular filtration rate) because they have the characteristics of the ideal markers. The characteristics that make them ideal markers for the estimation of glomerular filtration rate are given below:-

  • They are freely filtered by the glomerulus.
  • These are not reabsorbed or secreted in the tubules.
  • It is not metabolized or synthesized by the kidney.

The options provided in the question are misspelled. Kindly note that "Inulin and Creatinine" is the correct answer.

(2)

The average glomerular filtration rate (GFR) in men is "125 mL/min" and the GFR in women younger than the age of 40 is "90–120 mL/min".

Hence, the option (a) is correct.

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