Polyunsaturated Fatty acids of 20 carbon that produce prostaglandins and cannot be synthesized by the human body.
Examples of this type of Fatty acids are Omega 6 and Omega 3 fatty acids.
Essential Fatty Acids Quiz!
Quiz
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Science
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University
•
Hard
María Zumarán
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10 questions
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1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Polyunsaturated Fatty acids of 20 carbon that produce prostaglandins and cannot be synthesized by the human body.
Examples of this type of Fatty acids are Omega 6 and Omega 3 fatty acids.
Answer explanation
Essential Fatty Acids (EFA's) are unsaturated fatty acids that produce prostaglandins, a type of eicosanoid essential for kidney and gastrointestinal regulation and inhibition of platelet aggregation.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Alpha Linolenic Acid is also known as...
Omega 6
Omega 3
Omega 9
Omega 7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
It is the unfavorable series of eicosanoids...
Series 1 eicosanoid produced by Omega 6
Series 2 eicosanoid produced by Omega 6
Series 3 eicosanoids produced by Omega 3
None of these answers is correct
Answer explanation
Series 1 and Series 3 eicosanoids are beneficial since they inhibit platelet aggregation hence preventing blood clots, they reduce pain and enhance the immune system and brain activity.
Series 2 eicosanoids promote blood clots, cause vasoconstriction, increase pain and depresses the immune system.
4.
OPEN ENDED QUESTION
10 mins • 1 pt
Why our diets lack Omega 3?
Evaluate responses using AI:
OFF
Answer explanation
The animals we consume are fed with grains instead of grass, which contain high levels of Omega 3.
Moreover, cooking processes may convert healthy Essential Fatty acids into unhealthy trans-fatty acids.
Finally, most plant oils we consume, are rich in Omega 6 but poor in Omega 3.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The 3 series eicosanoid are formed from...
Gamma Linolenic Acid (GLA)
Eicosapentaenoic Acid (EPA)
Linoleic Acid
Arachidonic Acid
Answer explanation
Omega 3 (alpha-linolenic acid) transforms into EPA, which later produces series-3 prostaglandins and inflammatory leukotrienes.
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Inflammatory leukotrienes produced by EFA (essential fatty acids) are synthetized by the enzyme...
cyclo-oxygenase
lipoxygenase
Both cyclo-oxygenase and lipoxygenase
None of the above
Answer explanation
Lipoxygenase catalyze the deoxygenation of Arachidonic acids and EPA's, producing inflammatory and less inflammatory leukotrienes correspondently.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
"Bad" 2 series prostaglandins (eicosanoids) originate from...
Arachidonic Acids
EPA's
Could it be Omega-3?
I don't know
Answer explanation
Omega 6 is transformed into GLA that can become favorable series 1 prostaglandin or arachidonic acid.
Arachidonic Acid transforms into unfavorable series 2 prostaglandin and inflammatory leukotrienes.
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