Excretory Produ...

Urinary bladder helps to :

Counter current mechanism :

i. It operates in all vertebrates.
ii. It produces hypertonic urine.

Diabetes insipidus is caused due to :

The part of a nephron which adds some material to the filtrate is :

Read the following statements about urine formation :

i. ultrafiltration doesn’t need any energy expenditure by kidney cells.
ii. selective reabsorption of glucose, water, urea, hormones, amino acids etc takes place through passive transport.
iii. PCT cells have many microvilli along with few mitochondria since most of nutrients are absorbed passively.

Rahul is anaemic and few days ago suffered from massive haemorrhage. Now what problems he may face :

In which part of nephron, reabsorption of glucose is maximum from filtrate?

If in glomerular capillaries, pressure of blood is 75 mm Hg, osmotic pressure of plasma proteins is 30 mm Hg, and hydrostatic pressure of fluid in renal tubule is 25 mm Hg then net force or the filtration pressure will be calculated as :

Reema is on dialysis and she is unable to conceive due to high levels of waste products in her body fluids. Her doctor can suggest her

Vasa recta is absent or reduced in:

The hormone with enzymatic action which catalyses conversion of angiotensinogen into angiotensin is :

People with chronic kidney disease are usually affected by anemia. It happens because damaged kidney doesn’t secrete sufficient :

Towards the centre of the inner concave surface of the kidney is a notchcalled:

Vasopressin is a hormone involved in regulation of urine formation. It is secreted from :

Match the kidney disorders and its symptoms :

Which blood vessel takes blood away from the kidney? 

The basic functional unit of human kidney is

Dev consumes large amount of alcohol and result is polyuria and dehydration due to :

In human excretory system :

i. kidneys and ureters are paired structures but urinary bladder is single.
ii. Kidneys are situated between the levels of last thoracic and third lumbar vertebra.

Read the following about renal threshold :

i. The renal threshold of glucose is 180 mg/100ml of blood.
ii. If blood level of glucose exceeds 180mg, it leads to diabetes insipidus.
iii. If blood level of glucose exceeds 180mg, it leads to diabetes mellitus.