In mammalian kidney, the pyramids are seen in
cortex
pelvis
medulla
hilus
Correct Answer :
C. medulla
Related Questions
The normal glomerular filtration rate in man is
125 ml/minute
250 ml/minute
500 ml /minute
1200 ml/minute
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
In ancestral verterbrates the kidney is known as
glomerular type
aglomerular type
holonephric type
metanephric type
Birds and reptiles excrete their nitrogenous waste in the form of
uric acid and urea
urea
urea and uric acid respectively
uric acid
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 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
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 highest concentration of urea is found in
renal vein
hepatic portal vein
dorsal aorta
hepatic vein
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
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
Under normal conditions which one is completely reabsorbed in the renal tubule?
Urea
Uric acid
Salts
Glucose
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 blood leaves the glomerulus by
afferent arteriole
efferent arteriole
renal artery
renal veins
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
Water absorption in the loop of Henle and distal part of tubule is controlled by
antidiuretic hormone
aldosterone
renin
both (a) and (b)
The hormone which converts angioten-sinogen to angiotensin is
angio tensinase
renin
rennin
none of these
A condition in which urine contains blood is termed as
creatinine
anuria
haematuria
ketonuria
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
In the kidneys of rabbit, the loops of Henle are found in
medulla
cortex
pelvic
pyramid
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
In man, the kidneys are
pronephric
mesonephrk:
metanephric
all types
The conversion of ammonia into urea occur in
kidneys
lungs
liver
intestine
Loop of Henle is concerned with
excretory system
reproductive system
nervous system
muscular system
Vitamin excreted in urine by higher vertebrates is
A
B
K
C
Urea is transported by
WBC
RBC
Blood
Plasma
The normal renal blood flow amounts to
125 litres per day
500 litres per day
1000 litres per day
1700 litres per day
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 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