The loop of Henle is poorly developed or absent in............as it is concerned with reabsorption of water.
desert mouse
carnivorous bird
fish
snake
Correct Answer :
A. desert mouse
Related Questions
Loop of Henle is concerned with
excretory system
reproductive system
nervous system
muscular system
A person consuming a large amount of fish and meat will excrete urine rich in
ammonia
urea
uric acid
creatinine
The blood leaves the glomerulus by
afferent arteriole
efferent arteriole
renal artery
renal veins
The normal glomerular filtration rate in man is
125 ml/minute
250 ml/minute
500 ml /minute
1200 ml/minute
In mammalian kidney, the pyramids are seen in
cortex
pelvis
medulla
hilus
Under normal conditions which one is completely reabsorbed in the renal tubule?
Urea
Uric acid
Salts
Glucose
The normal renal blood flow amounts to
125 litres per day
500 litres per day
1000 litres per day
1700 litres per day
Urea is formed from ammonia and carbon dioxide in
liver cells
every living cell
kidney and muscles
liver and kidney
Which of these are uricotelic ?
Monkey
Lizard
Fish
Frog
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all of these
Ammonia is the chief nitrogenous excretory material in
reptiles
turtles
tadpoles
amphibians
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
Water absorption in the loop of Henle and distal part of tubule is controlled by
antidiuretic hormone
aldosterone
renin
both (a) and (b)
In ancestral verterbrates the kidney is known as
glomerular type
aglomerular type
holonephric type
metanephric type
The plasma passing through the glomerulus loses about
50% of its volume as filtrate
20% of its volume as filtrate
80% of its volume as filtrate
40% of its volume as filtrate
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
The total volume of blood passing through the kidneys in one minute is about
125 ml
500 ml
1200 ml
250 ml
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 the kidneys of rabbit, the loops of Henle are found in
medulla
cortex
pelvic
pyramid
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
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
Urea is transported by
WBC
RBC
Blood
Plasma
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 highest concentration of urea is found in
renal vein
hepatic portal vein
dorsal aorta
hepatic vein
The least toxic nitrogenous waste is
ammonia
uric acid
urea
both (a) and (c)
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 kidney, glucose is mainly absorbed by
Bowman's capsule
Loop of Henle
Proximal convoluted tubule
Distal convoluted tubule
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
The filtrate from glomerulus contains
blood without blood cells and proteins
plasma without sugar
blood with proteins but without cells
blood without urea
A condition in which urine contains blood is termed as
creatinine
anuria
haematuria
ketonuria