Excretory System Quiz
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Under normal conditions, which of the following substances is found in urine?
A. blood cells
B. protein
C. glucose
D. urea
GFR in healthy individual is approximately
A. 140 L/ day
B. 160 L/ day
C. 180 L/ day
D. 200 L/ day
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
What are the filtering units of the kidneys?
A. nephrons
B. ureters
C. nuerons
D. alveloi
What is the main function of the excretory system?
A. to collect and remove wastes from the body
B. to strengthen skeletal muscles
C. to protect the nervous system
D. to bring oxygen to body cells
In the Reabsorption process following substances are absorbed by active transport
A. Glucose
B. Amino acids
C. Sodium ions
D. All of the above
What are the goals of hemodialysis?
A. Removal of waste products
B. Regulation of fluid balance
C. Correction of electrolyte and acid/base balance
D. All of the above
Histologically cortex part of kidney is made up of large number of ……..
A. Pyramids
B. Nephrons
C. Blood cells
D. Collecting ducts
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
_________ is the outer layer of the kidney.
A. Cortex
B. Medulla
C. Pelvis
Normal pH range of urine lies between
A. 2-6
B. 4-8
C. 6-10
D. 8-12
Bowman’s capsule and glomerulus together are called
A. renal tubules
B. Malphigian tubule
C. Mammalian tubule
Blood from glomerulus is carried away by
A. Afferent arteriole
B. Efferent arteriole
C. Both of above
D. None of above
Loop of Henle dips into
A. Cortex
B. Medulla
C. Both of above
D. None of the above
Using the picture, what is the function of structure C?
A. Carries urine away from the kidneys
B. Stores urine
C. Eliminates urea, excess water, and some other materials
D. Carries urine away from body and eliminates it
Using the picture, what is the structure of A?
A. ureter
B. kidney
C. urinary bladder
D. urethra
In a healthy person, some glucose is reabsorbed into the bloodstream while majority is lost in the urine.
A. TRUE
B. FALSE
The excretory system rids the body of ______ waste.
A. solid
B. liquid
The basic functional units of the kidneys are
A. neurons
B. nephron
C. ureter
D. glomerulus
Average weight of human kidney is
A. 90-140 g
B. 100-150 g
C. 110-160g
D. 120-170 g
Each nephron is made up of
A. Glomerulus
B. Renal tubule
C. Both a and b
D. None of the above
The outer layer of the kidney
A. renal pelvis
B. renal medulla
C. renal cortex
D. renal pyramid
Which of the following is not part of excretion?
A. remove toxic materials
B. remove undigested food
C. remove waste product of metabolism
D. remove substances in excess of requirement
Each kidney has nearly _________ million complex tubular structures called nephrons
A. 1
B. 2
C. 3
D. 4
One major function of the excretory system is to clean the ……………
A. urine
B. blood
C. kidneys
D. bladder
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