Excretory System Quiz
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Which organ of the excretory system stores urine until the body is ready to eliminate it?
A. ureters
B. urethra
C. urinary bladder
D. urea
All of the following substances are reabsorbed by active mechanism by renal tubule EXCEPT
A. Glucose
B. Amino acids
C. Na+
D. Nitrogenous wastes
Kidneys are situated between following vertebrae
A. Last thoracic and third lumbar
B. First thoracic and third lumbar
C. Last thoracic and first lumbar
D. Last thoracic and last lumbar
Urea is carried from the _______ to the _______.
A. stomach, liver
B. liver, kidneys
C. kidneys, stomach
D. kidneys, liver
The ___________ is responsible for the elimination of wastes produced by homeostasis.
A. excretory system
B. digestive system
C. nervous system
D. circulatory system
The main nitrogen-containing waste excreted in urine of aves is
A. ammonia
B. uric acid
C. nucleotides
D. urea
Blood from glomerulus is carried away by
A. Afferent arteriole
B. Efferent arteriole
C. Both of above
D. None of above
Most of the nephron’s cells contain a large amount of mitochondria, especially the proximal tubule, ascending loop of Henle and distal tubule. The reason is that these cells perform which of the following functions?
A. filtration
B. diffusion
C. osmosis
D. active transport
GFR in healthy individual is approximately
A. 100ml/ min
B. 125 ml/min
C. 150 ml/ min
D. 200 ml/min
Bowman’s capsule and glomerulus together are called
A. renal tubules
B. Malphigian tubule
C. Mammalian tubule
Following structures are situated in cortical region of kidneys
A. Malpighian corpuscle
B. PCT
C. DCT
D. All of the above
Each nephron is made up of
A. Glomerulus
B. Renal tubule
C. Both a and b
D. None of the above
Renal tubule begins with a _______cup like structure called Bowman’s capsule
A. Single walled
B. Double walled
C. Tripple walled
D. None of the above
What is A correct order of the steps of function within the nephron?
A. Secretion, Reabsorption, Filtration
B. Reabsorption, Secretion, Filtration
C. Filtration, Reabsorption, Secretion
D. Secretion, Filtration, Reabsorption
Which of the following is/are the function of Kidney?
A. Carry Urine
B. Store Urine
C. Filter Waste products from blood
D. Remove Urine
These organs are responsible for ………………………..
A. storing urine
B. storing water
C. filtering blood
D. they don’t have a particular job
Which kidney is slightly superior in position?
A. right
B. left
C. no difference
Kidneys are situated close to
A. Dorsal inner wall of abominal cavity
B. Ventral inner wall of abominal cavity
C. Both of above
D. None of the above
In which excretory organ is urea produced?
A. skin
B. liver
C. kidneys
D. lungs
Which part of Henle’s loop continues as another highly coiled tubular region called distal convoluted tubule.
A. Ascending limb
B. Descending limb
C. Both of above
D. None of above
________ is formed when small molecules like salts, glucose, urea and water are forced out from the blood plasma when blood flows through the kidney tubules.
A. Filtrate
B. Urine
C. Waste
D. Excretion
Which endocrine tissue is responsible for the secretion of ADH?
A. hypothalamus
B. islets of Langerhans
C. anterior pituitary
D. posterior pituitary
E. Adrenal Medulla
Antidiuretic hormone controls the permeability of……….. to the DCT
A. Water
B. Sodium
C. Amino acids
D. Potassium
Which excretory organ eliminates water and some chemical wastes in perspiration?
A. lungs
B. skin
C. liver
D. kidneys
Using the picture, what is the structure of A?
A. ureter
B. kidney
C. urinary bladder
D. urethra
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