Physiology of Excretion
Physiology of Excretion: Overview
This Topic covers sub-topics such as Urine Formation, Glomerular Filtration, Tubular Secretion, Tubular Reabsorption, Physiology of Excretion and, Counter Current Mechanism of Urine Concentration
Important Questions on Physiology of Excretion
Glucose contained by Glomerular filtrate compared to plasma is
The function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
Which part of nephron plays an important role in counter current mechanism?
Role of kidney in acid base balance:
Which of the following statement is correct?
Which of the following is incorrect about ultrafiltration process?
After ultrafiltration, glucose is reabsorbed in:
The osmotic concentration of the glomerular filtrate is greatest in the ‘U’ shaped loop of Henle. Here the filtrate concentration is about:
Which one of the following statements in regard to the excretion by the human kidneys is correct?
Reabsorption of useful substances back into the blood from the filtrate in a nephron occurs in:
Or
The part of nephron involved in the active reabsorption of sodium is:
Which one do not filter out from blood to Bowman's capsule in glomerular ultrafiltration
Glomerular hydrostatic pressure is present in
The amino acid that acts as a carrier of ammonia from skeletal muscle to liver
Maintenance of body potassium level is primarily by tubular
Which of the following statements on human kidney is false
Human urine is usually acidic because
Mechanism of uric acid excretion in a nephron is
The size of filtration slits of glomerulus
If excess water passes out from the tissue without being restored by the kidneys, the cells would
Choose the incorrect combinations with respect to urine formation from the following.
| Part of Nephron | Selective reabsorption | Secretion | |
| (A) | Distal convoluted tubule | Facultative reabsorption of and |
and |
| (B) | Descending limb of the loop of Henle | by passive transport | Impermeable to electrolytes |
| (C) | Proximal convoluted tubule | and ions | and urea |
| (D) | Collecting duct | and | Ammonia and |
