In the kidneys, the pressure gradient or the effective filtration pressure (E.F.P.) is determined by
glomerullar hydrostatic pressure
capsular hydrostatic pressure
blood colloidal osmotic pressure
all of these
Correct Answer :
D. all of these
Related Questions
The highest concentration of urea is found in
renal vein
hepatic portal vein
dorsal aorta
hepatic vein
Urea is formed from ammonia and carbon dioxide in
liver cells
every living cell
kidney and muscles
liver and kidney
In rabbit, the urinary bladder opens into
uterus
urethra
vestibule
ureter
The vessel carrying blood into the Bowman's capsule in kidney of frog is known as
aferent arteriole
efferent arteriole
renal portal vein
any of these
The final concentration of the fluid to produce a markedly hypertonic urine takes place in the
loop of Henle
distal convoluted tubule
collecting tubule
both (a) and (b)
In kidney, glucose is mainly absorbed by
Bowman's capsule
Loop of Henle
Proximal convoluted tubule
Distal convoluted tubule
Separation of amino acid into amino and carboxyl group is known as
deamination
excretion
animation
egestkxi
The blood leaves the glomerulus by
afferent arteriole
efferent arteriole
renal artery
renal veins
Diuresis is the condition in which
the excretion of volume of urine increases
the excretion of volume of urine decreases
the kidneys fail to excrete urine
the water balance of blood is disturbed
In the kidneys, the pressure gradient or the effective filtration pressure (E.F.P.) is determined by
glomerullar hydrostatic pressure
capsular hydrostatic pressure
blood colloidal osmotic pressure
all of these
In normal adult humans, glomerular filtration rate (G.F.R) is on an average
100 litres/day
120 litres/day
150 litres/day
180 litres/day
Water absorption in the loop of Henle and distal part of tubule is controlled by
antidiuretic hormone
aldosterone
renin
both (a) and (b)
Loop of Henle is concerned with
excretory system
reproductive system
nervous system
muscular system
The loop of Henle is poorly developed or absent in............as it is concerned with reabsorption of water.
desert mouse
carnivorous bird
fish
snake
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all of these
The conversion of ammonia into urea occur in
kidneys
lungs
liver
intestine
Liquid part of blood having undergone ultrafiltration from the glomerulus and reaching the Bowman's capsule normally would not contain
glucose
sodium chloride
creatinine
albumin
The total volume of blood passing through the kidneys in one minute is about
125 ml
500 ml
1200 ml
250 ml
The normal renal blood flow amounts to
125 litres per day
500 litres per day
1000 litres per day
1700 litres per day
Vitamin excreted in urine by higher vertebrates is
A
B
K
C
The hormone which converts angioten-sinogen to angiotensin is
angio tensinase
renin
rennin
none of these
The least toxic nitrogenous waste is
ammonia
uric acid
urea
both (a) and (c)
Malpighian bodies are found in
kidney of vertebrates and is involved in ultrafiltration
kidney of vertebrates and is involved in passive filtration
kidney of vertebrates and is involved in selective reabsorption
insects and involved in excretion
The renal threshold for glucose in blood of man is
80 mg/100 ml
150 mg/100 ml
200 mg/100 ml
300mg/100 ml
A condition in which urine contains blood is termed as
creatinine
anuria
haematuria
ketonuria
Of the 180 litres of glomerular filtrate produced each day the amount of reab-sorption is
96 per cent
80 per cent
95 per cent
99 per cent
Which of these are uricotelic ?
Monkey
Lizard
Fish
Frog
Malpighian corpuscle in vertrf>rate kidney
consists of Bowman's capsule and afferent arteriole
consists of glomerulus and Bowman's capsule
consists of ciliated channels
is inner wall of Bowman's capsule and glomerulus
In which animal, the excretory substance is ammonia?
Camel
Cartilaginous fish
Whale
Fresh water fish
In mammalian kidney, the pyramids are seen in
cortex
pelvis
medulla
hilus