Excretory System Quiz
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The basic functional units of the kidneys are
A. neurons
B. nephron
C. ureter
D. glomerulus
Histologically cortex part of kidney is made up of large number of ……..
A. Pyramids
B. Nephrons
C. Blood cells
D. Collecting ducts
Thickness of adult human kidney is
A. 1-2 cm
B. 2-3 cm
C. 3-4 cm
D. 4-5 cm
In the Reabsorption process following substances are absorbed by active transport
A. Glucose
B. Amino acids
C. Sodium ions
D. All of the above
Blood from glomerulus is carried away by
A. Afferent arteriole
B. Efferent arteriole
C. Both of above
D. None of above
Glomerulus is tuft of
A. Arteries
B. Veins
C. Capillaries
D. None of the above
True or False:
Kidneys filter waste from blood.
A. TRUE
B. FALSE
The dialysis fluid contains a lower concentration of urea so that urea from the patient’s blood can diffuse into the dialysis fluid.
A. TRUE
B. FALSE
The ___________ is responsible for the elimination of wastes produced by homeostasis.
A. excretory system
B. digestive system
C. nervous system
D. circulatory system
Which excretory organ eliminates water and some chemical wastes in perspiration?
A. lungs
B. skin
C. liver
D. kidneys
After the process of filtration, the filtrate enters into the proximal convoluted tubule where most of the water, amino acids, and glucose are…
A. stored in the bladder
B. excreted through the ureters
C. reabsorbed
D. concentrated in the urine
Width of adult human kidney is
A. 1-3 cm
B. 3-5 cm
C. 5-7 cm
D. 7-9 cm
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
Name the tubes that carry urine from the kidney to the bladder?
A. Adrenal tubes
B. Kidneys
C. Ureters
D. Urethras
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