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WorksheetsFunctions of the Liver
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which vessel brings nutrient-rich, oxygen-poor blood from the small intestines to the liver?
a)
hepatic vein
b)
hepatic portal vein
c)
hepatic artery
d)
inferior vena cava
2.
Within the liver, into what structure does the hepatic portal vein subdivide?
a)
sinusoids
b)
capillaries
c)
hepatocytes
d)
Kupffer cells
3.
How are amino acids stored in hepatocytes?
a)
As transferrin
b)
As hemoglobin
c)
As bile salts
d)
They are not stored, but exreted as nitrogenous waste
4.
Which of the following is NOT a function of cholesterol?
a)
Vitamin D synthesis
b)
Creation of chylomicrons
c)
Synthesis of steroid hormones
d)
Bile production
5.
What does high-density lipoprotein (HDL) do?
a)
raises your risk for heart disease and stroke
b)
enters cell respiration to create ATP
c)
absorbs cholesterol and carries it to the liver
d)
increases glycogen stores in hepatocytes
6.
How is iron stored in hepatocytes?
a)
As ferritin
b)
As transferrin
c)
As retinol
d)
As calciferol
7.
During hemoglobin recycling in the Kupffer cells, what is the fate of the four globin polypeptides that make a single hemoglobin protein?
a)
Stored as ferritin
b)
Carried to bone marrow
c)
Hydrolyzed into amino acids
d)
used to make bile
8.
Which of the following is NOT a direct cause of jaundice?
a)
Gallstones
b)
Hepatitis
c)
Cirrhosis
d)
Bladder infections
9.
Hepatocytes produce what percentage of plasma proteins?
a)
90%
b)
80%
c)
10%
d)
20%
10.
Which of the following is a plasma protein produced by hepatocytes?
a)
hemoglobin
b)
albumin
c)
lipase
d)
insulin
11.
What two structures are abundant in hepatocytes?
a)
Lysosomes and mitochondria
b)
Golgi apparatus and lysosomes
c)
ER and lysosomes
d)
Golgi apparatus and ER
12.
How is ammonia detoxified by the liver?
a)
using ethanol dehydrogenase
b)
converted into hydrophobic substances
c)
converted into hydrophilic substances
d)
converted into urea
13.
How is alcohol detoxified by the liver?
a)
using ethanol dehydrogenase
b)
converted to hydrophobic substances
c)
converted to hydrophilic substances
d)
converted to urea
14.
How are poisons/drugs detoxified by the liver?
a)
using ethanol dehydrogenase
b)
converted to hydrophobic substances
c)
converted to hydrophilic substances
d)
converted to urea
15.
How is iron carried to the bone marrow in the blood?
a)
Bound to transferrin
b)
Bound to ferritin
c)
Bound to Kupffer cells
d)
Through the hepatic portal vein
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