Science Quiz / Lipid Digestion

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Can you name the Lipid Digestion?

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very important for the transportation of chylomicrons out of enterocyte
T/F: CCK can directly act on the gallbladder or it can stimulate gallbladder contraction through the activation of the vagus afferents in the intestinal wall.
how much bile is made daily (in mg)?
hydrolyzes a sterol ester into a steroid and a free fatty acid
how do the contents of the mixed micelle enter the enterocyte?
useful form of bile salts
long chain FFA, MG, cholesterol, lysolecithin along with bile salts form ____.
Where is bile synthesized?
This cell makes GLP-1 and GLP-2
T/F: Lipases are released from the pancreas in inactive form.
Where are the conjugated bile salts re-absorbed?
hydrolyzes triglycerides into 2-monglyceride and a free fatty acid
most abundant lipid in the diet
during an interdigestive phase, bile primarily comes from what?
HDL and LDL enter the blood from the lymphatic system at which vessel?
Which structure contains apolipoproteins?
Triglycerides, phospholipids, and steroid are packaged into ____ within the jejunal enterocytes.
mixed micelles are formed where?
circulation of bile to GI tract then back to the liver is known as the _____ circulation
T/F: short and medium FFA can be found in lymphatic circulation
Chylomicrons are released from the basolateral membrane of enterocytes by what process?
control valve for the release of bile into the duodenum
pathological condition where patient has a problem with transportation of chylomicrons out of the enterocyte
T/F: Bile salts are absorbed into the jejunum
blind end lymphatic capillary in the central core of the intestinal villus
CCK stimulates a vago-vagal reflex that acts on the enteric nervous system, which causes the release of NO and VIP to relax what?
small and medium FFA are absorbed into the enterocytes and then absorbed into ____.
At pH 7, colipase are positively or negatively charged?
At pH 7, bile salts are positively or negatively charged?
pro-colipase is activated by which enzyme?
T/F: After entering the enterocyte, the long chain FFA are resynthesized into triglycerides.
chylomicrons are formed where?
At pH 7, lipase are positively or negatively charged?
during active digestion, bile primarily comes from where?
hydrolyzes phospholipids by cleaving of 1 free fatty acid
This allows fat droplets to be suspended in their aqueous environment
chylomicrons are released into ____ circulation
L cells are activated by

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Created Mar 25, 2012ReportNominate

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