Question

Consider the following statements.
I. The filtrate is hypertonic in descending limb while hypotonic in ascending limb of Henle's loop.
II. The descending limb is impermeable to electrolytes while ascending limb is permeable to electrolyte.
III. DCT secretes $H^{+},K^{+}$ions and $N{H}_3$ into the filtrate during urine formation.
IV. Ions like $HC{O}_3^{-},N{a}^{+}$and water are reabsorbed by DCT.
Select the option containing correct statements.

• A. I, II and III
• B. II, III and IV
• C. I, III and IV
• D. I, II , III and IV

Answer 1

Answer: (D)

Correct answer is (d) I, II , III and IV