4301645
Description
Quiz by gyorgycrack, updated more than 1 year ago
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Created by gyorgycrack
over 8 years ago
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Question 1
Question
Cholesterol is the precursor of...?
Answer
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1.) Bile acids
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2.) Hormones
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3.) Vitamine D
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Only 1.) and 2.) are true
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All are true
Question 2
Question
Cholesterol can not be degraded
Answer
- True
- False
Question 3
Question
Which of these is not true?
Answer
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The substrates for the synthesis of cholesterol are AcetylCoA, ATP and NADPH
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30 reactions occur in cholesterol synthesis
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The regulation of the synthesis takes place in the first step
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Synthesis of cholesterol happens in a fasting state
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Synthesis of cholesterol will take place in liver in the cytosol
Question 4
Question
Which enzyme can be blocked using statins leading to a regulation in the production of mevalonic acid?
Answer
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Thiolase
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HMG-CoA synthase
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HMG-CoA reductase
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Squalene synthase
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Prenyl transferase
Question 5
Question
Which molecule or molecules is/are inhibitors of the synthesis of cholesterol?
Answer
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Cholesterol
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Glucagon
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NADPH
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ATP
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Glucagon and cholesterol
Question 6
Question
What is found in the surface of a lipoprotein?
Answer
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Cholesterol esters and triglycerides
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Proteins, phospholipids (the head) and the hydroxyl group of cholesterol
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The hydroxyl group of cholesterol
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Proteins and triglycerides
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Cholesterol esters, triglycerides and proteins
Question 7
Question
Which is the biggest lipoprotein?
Answer
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Chylomicrons
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VLDL's
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IDL's
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LDL's
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HDL's
Question 8
Question
Which lipoprotein transport phospholipids?
Answer
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Chylomicrons
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VLDL's
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IDL's
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LDL's
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HDL's
Question 9
Question
If the levels of HDL cholesterol are higher that the levels of LDL this means that you have more bad cholesterol and you are deporting more cholesterol from liver to the tissues than the cholesterol that is transported from the tissues to the liver
Answer
- True
- False
Question 10
Question
Which of these statements is true?
Answer
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Any of these
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Lipoprotein lipase is responsible for the transformation of Fatty Acids and glycerol into TG
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Lipoprotein lipase is responsible for the transformation of TG and glycerol into Fatty Acids
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Lipoprotein lipase is responsible for the transformation of Fatty Acids into TG and glycerol
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Lipoprotein lipase is responsible for the transformation of Glycerol into Fatty Acids and TG
Question 11
Question
What could happen if you find high levels of chylomicrons in a clinical analysis?
Answer
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The patient is in a fasting state
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The patient is in a fed state
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The patient could have a disorder due to the endogenous pathway
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The patient could have a disorder due to the reverse transport of cholesterol
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Any of these
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