FNDH 620 EXAM 2 QUESTIONS & ANSWERS
What are the most prevalent saturated fatty acids in the average US diet? - Answers
:Palmitic & Steric acids. They are saturated FAs.
What is formed when fatty acids are oxidized in the mitochondria? - Answers :Acetyl
CoA
What is the normal product of fatty acid synthase? - Answers :Palmitate
Which fatty acid is considered essential and must be supplied by the diet? - Answers
:Alpha-linolenic acid & lenoleic acid
Humans build about ____mg of cholesterol each day. - Answers :700
Cholesterol is the precursor of the following except for:
-estrogens & androgens
-glucocordicoids
-bile acids
-vitamin D
-phospholipids - Answers :Phospholipids
What is meant by secondary bile acid? - Answers :A primary bile acid
(chenodeoxycholic acid and cholic acid) that has been acted upon by bacteria within the
intestines and converted to deoxycholate and lithocholate.
What is the most active site of lipid digestion? - Answers :Upper jejunum
True or False? Protein is the main component of HDL. - Answers :True
How do chylomicrons enter circulation? - Answers :They enter the lymphatic system
through lacteals on the enterocyte. From the lymphatic system, chylomicrons enter
blood circulation via the thoracic duct at the left subclavian vein.
LDL cholesterol is often termed "bad cholesterol" because of its link to atherogenic fatty
plaque formation. True or False? - Answers :True.
Trans unsaturated fatty acids are now considered more atherogenic than saturated fatty
acids because: - Answers :Elevate serum LDL while decreasing HDL.
The mechanism of action of Orlistat is to: - Answers :Inhibit pancreatic lipase activity.
Which hormone is considered to be an antagonist of lipolysis? - Answers :Insulin.
Excessive ketone bodies may be accumulated due to reduced supply of cellular glucose
and and concomitant _______________ in fatty acid oxidation. - Answers :Increase.
What are the most prevalent saturated fatty acids in the average US diet? - Answers
:Palmitic & Steric acids. They are saturated FAs.
What is formed when fatty acids are oxidized in the mitochondria? - Answers :Acetyl
CoA
What is the normal product of fatty acid synthase? - Answers :Palmitate
Which fatty acid is considered essential and must be supplied by the diet? - Answers
:Alpha-linolenic acid & lenoleic acid
Humans build about ____mg of cholesterol each day. - Answers :700
Cholesterol is the precursor of the following except for:
-estrogens & androgens
-glucocordicoids
-bile acids
-vitamin D
-phospholipids - Answers :Phospholipids
What is meant by secondary bile acid? - Answers :A primary bile acid
(chenodeoxycholic acid and cholic acid) that has been acted upon by bacteria within the
intestines and converted to deoxycholate and lithocholate.
What is the most active site of lipid digestion? - Answers :Upper jejunum
True or False? Protein is the main component of HDL. - Answers :True
How do chylomicrons enter circulation? - Answers :They enter the lymphatic system
through lacteals on the enterocyte. From the lymphatic system, chylomicrons enter
blood circulation via the thoracic duct at the left subclavian vein.
LDL cholesterol is often termed "bad cholesterol" because of its link to atherogenic fatty
plaque formation. True or False? - Answers :True.
Trans unsaturated fatty acids are now considered more atherogenic than saturated fatty
acids because: - Answers :Elevate serum LDL while decreasing HDL.
The mechanism of action of Orlistat is to: - Answers :Inhibit pancreatic lipase activity.
Which hormone is considered to be an antagonist of lipolysis? - Answers :Insulin.
Excessive ketone bodies may be accumulated due to reduced supply of cellular glucose
and and concomitant _______________ in fatty acid oxidation. - Answers :Increase.
