Science Quiz / Lipid Digestion

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Can you name the Lipid Digestion?

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

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Created Mar 25, 2012ReportNominate

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