The normal glomerular filtration rate in man is
125 ml/minute
250 ml/minute
500 ml /minute
1200 ml/minute
Correct Answer :
A. 125 ml/minute
Related Questions
The conversion of ammonia into urea occur in
kidneys
lungs
liver
intestine
Vitamin excreted in urine by higher vertebrates is
A
B
K
C
The plasma resembles in its composition with the filtrate produced in the glomerulus except for the presence of
chlorides
amino acids
glucose
none of these
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
When urine is allowed to stand, it gives strong ammoniacal odour, due to
conversion of urea to ammonia via ornithinearginine cycle
conversion of urea to ammonia by bacteria
conversion of urea and uric acid to ammonia
none of these
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 least toxic nitrogenous waste is
ammonia
uric acid
urea
both (a) and (c)
The total volume of blood passing through the kidneys in one minute is about
125 ml
500 ml
1200 ml
250 ml
In which part of the excretory system of a mammal can you first use the term urine for the fluid it contains?
Bowman's capsule
Loop of Henle
Collecting tubule
Urinary bladder
The hormone which converts angioten-sinogen to angiotensin is
angio tensinase
renin
rennin
none of these
The normal glomerular filtration rate in man is
125 ml/minute
250 ml/minute
500 ml /minute
1200 ml/minute
Columns of Bertini in the kidneys of mammals are formed as extension of
medulla into pelvis
medulla into cortex
cortex into medulla
pelvis into ureter
The loop of Henle is poorly developed or absent in............as it is concerned with reabsorption of water.
desert mouse
carnivorous bird
fish
snake
The liquid which collects in the cavity of Bowman's capsule is
concentrated urine
blood plasma minus blood proteins
a solution containing excretory wastes
a solution containing wastes
The normal renal blood flow amounts to
125 litres per day
500 litres per day
1000 litres per day
1700 litres per day
A person consuming a large amount of fish and meat will excrete urine rich in
ammonia
urea
uric acid
creatinine
In which animal, the excretory substance is ammonia?
Camel
Cartilaginous fish
Whale
Fresh water fish
In kidney, glucose is mainly absorbed by
Bowman's capsule
Loop of Henle
Proximal convoluted tubule
Distal convoluted tubule
Which of these are uricotelic ?
Monkey
Lizard
Fish
Frog
Urea is transported by
WBC
RBC
Blood
Plasma
In mammalian kidney, the pyramids are seen in
cortex
pelvis
medulla
hilus
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 man, the kidneys are
pronephric
mesonephrk:
metanephric
all types
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all of these
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 highest concentration of urea is found in
renal vein
hepatic portal vein
dorsal aorta
hepatic vein
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
In rabbit, the urinary bladder opens into
uterus
urethra
vestibule
ureter
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
Loop of Henle is concerned with
excretory system
reproductive system
nervous system
muscular system