Concentration and Dilution of Urine — MCQs

All of the following functions of vasopressin are mediated by V1 receptors, except

The site of action of vasopressin is

What happens to the concentration of inulin as fluid passes through the Proximal Convoluted Tubule (PCT)?

Which of the following is the primary mechanism that drives sodium reabsorption in the proximal tubule?

Which of the following is not true about syndrome of inappropriate antidiuretic hormone secretion (SIADH)?

In a normally functioning kidney, which part of the nephron has the lowest permeability to water during antidiuresis?

A substance has a clearance similar to inulin clearance. How is this substance primarily excreted in urine?

Polyuria with low fixed specific gravity urine is seen in ?

A 10 year old boy is having polyuria, polydipsia, laboratory data showed (in mEq/lit) – Na+ 154, K+ 4.5, HCO3- 22, Serum osmolality – 295 mOsm/kg, Blood urea – 50 mg/dl, Urine specific gravity – 1.005. The likely diagnosis is –

Hormone primarily responsible for blood pressure regulation following acute blood loss is: