WorksheetsExcretory System
Total questions: 10
Worksheet time: 6mins
Identify the structural and functional unit in the kidney.
Neurone
Nephron
Nucleus
Glumerulus
Excretion is the removal of (a) waste and toxic substances from the body.
Which statement is true?
The efferent arteriole is wider than the afferent arteriole
The afferent artery is wider than the efferent artery
The afferent arteriole is wider than the efferent arteriole
The afferent and efferent arterioles are the same width
Which of the following is NOT filtered out of the blood in the kidneys?
Blood cells
Amino acids
Urea
Glucose
In ultrafiltration, the ____________ hydrostatic pressure in the glumerulus forces ___________ substances out into the bowmen's capsule.
high, large
high, small
low, large
low, small
Which is the correct sequence that shows the flow of fluid passing through the nephron: (a) glomerulus (b) distal convoluted tubule (c) loop of Henle (d) collecting duct (e) proximal convoluted tubule
a, b, c, d, e
c, d, b, a, e
a, e, c, b, d
a, e, d, b, c
Which of the following will be filtered out during ultrafiltration? (a) red blood cells (b) water (c) glucose (d) amino acids (e) mineral salts (f) large plasma proteins
a, d and e
a, e and f
b, c, d and e
a, b, c and d
Which substances are selectively reabsorbed in the PCT?
all glucose and amino acids, most water, some ions
some glucose, amino acids, water and ions
some water and ions
water only
What substances does the loop of henle, distal convoluted tubule reabsorbed?
all water and mineral salts
all glucose and amino acids
some water and mineral salts
some glucose and amino acids
Collecting duct helps in reabsorption of (a) by osmosis.
