CHAPTER 19: EXCRETORY PRODUCTS AND THEIR ELIMINATION

Removal of proximal convoluted tubule from the nephron will result in

Which one of the following statements in regard to the excretion by the human kidneys is correct?

Angiotensinogen is a protein produced and secreted by

The principal nitrogenous excretory compound in humans is synthesised

Human urine is usually acidic because

In ornithine cycle, enzyme arginase breaks down arginine into

A decrease in blood pressure/volume will not cause the release of

The part of nephron involved in active reabsorption of sodium is

Which blood vessel in mammals would normally carry the largest amount of urea?

Duct of Bellini is concerned with

Which one of the following correctly explains the function of a specific part of a human nephron ?

Which one has nothing to do with nitrogeneous excretion?

Human urine contains

Which of the following hormone/enzyme is/are correctly paired with its function?

I.Renin – Enzyme that catalyses the formation of angiotensin I.

II.Aldosterone – Regulates water reabsorption at the distal convoluted tubule.

III.Anti-diuretic hormone – It is a powerful vasoconstrictor that stimulates the secretion of aldosterone.

IV.Angiotensin II – Promotes reabsorption of sodium at distal convoluted tubule.