EXCRETORY SYSTEM

• Basic functional unit of kidney is ________________.

Answer :  nephron

• _____ is the largest excretory organ of the body.

Answer :  Skin

• Cluster of capillaries in kidneys are called ____.

Answer :  glomerulus

• Proximal and distal convoluted tubules are parts of _______.

Answer :  nephron

• Reabsorption of useful substances from glomerulus filtrate occurs in _______.

Answer :  proximal convoluted tubule

• Structure in kidney where blood is filtered:

Answer :  nephron

• Straw coloured liquid that is removed from kidneys:

Answer :  urine

• Organ that stores urine temporarily:

Answer :  urinary bladder

• Sphincter is ______.

Answer :  a ring of muscles

• Substance that cannot pass through semipermeable walls of glomerulus:

Answer :  Albumin and Blood cells

• Artery which passes blood to the kidney is?

Answer :  renal;

• Condition where urea accumulates in blood is _______.

Answer :  Uremia

• Inflammation of joints due to accumulation ;of uric acid crystals is called _____.

Answer :  Gout

• About 90% of kidney stones can pass out through the urinary system by drinking _______.

Answer :  Water

• The first step in urine production is?

Answer :  Glomerular filtration

• Conversion of excess amino acids into urea is done in?

Answer :  Liver

• Malpighian body is present in:

Answer :  Kidney

• Main excretory organs in man are:

Answer :  Kidneys

• Bunch of capillaries present in Bowman’s capsule is called:  

Answer :  Glomerulus

• Most of reabsorption of salts and water occurs in ______.  

Answer :  proximal tube

• _____ is cup like structure that receives urine from collecting duct. 

Answer :  calyx

• _____ conducts urine from kidney to bladder.

Answer :  ureter

• _____ keeps an organism’s fluid from being too dilute or concentrated: 

Answer :  osmoregulation

• Which of the following causes glucose to be excreted in urine ?

Answer :  hyperglycemia

• Outermost tissue layer surrounding the kidney is?  

Answer :  Fibrous capsule

• Which of these has highest concentration in urine?

Answer :  Sodium

• Entrance into kidney is called _____?

Answer :  Hilum

• Each minor calyx receives urine from _____   ?

Answer :  Renal papillae

• Renal pyramids are located within _____  ? 

Answer :  Medulla

• What causes urine to flow from kidneys to bladder?

Answer :  Peristalsis

• Excretion involves:

Answer :  removal of nitrogeneous wastes

• The organ that produces urea is?

Answer :  liver

• The blood vessel that supplies impure blood to the kidney is?

Answer :  renal artery

• The Bowman’s capsule and glomerulus together form the:

Answer :  Malphighian body

• Nitrogeneous waste in urine is made of:

Answer :  urea, uric acid and ammonia

• (a)glomerular alteration(b)tubular secretion;(c)tubuluar reabsorption. Correct order is?

Answer :  acb

• Blood flows through the glomerulus under

Answer :  high pressure

• Malpighian bodies are present in

Answer :  kidney cortex

• Loop of Henle is required for reabsorption of

Answer :  water and sodium ions

• Renal vein contains more urea than the renal artery

Answer :  False

• Each kidney contains millions of microscopic filtering units called:

Answer :  nephrons