Science Quiz / Lipid Digestion

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Score 0/38 Timer 10:00
how much bile is made daily (in mg)?
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?
control valve for the release of bile into the duodenum
At pH 7, lipase are positively or negatively charged?
long chain FFA, MG, cholesterol, lysolecithin along with bile salts form ____.
pro-colipase is activated by which enzyme?
chylomicrons are released into ____ circulation
most abundant lipid in the diet
This cell makes GLP-1 and GLP-2
mixed micelles are formed where?
T/F: short and medium FFA can be found in lymphatic circulation
pathological condition where patient has a problem with transportation of chylomicrons out of the enterocyte
during an interdigestive phase, bile primarily comes from what?
T/F: After entering the enterocyte, the long chain FFA are resynthesized into triglycerides.
useful form of bile salts
This allows fat droplets to be suspended in their aqueous environment
Triglycerides, phospholipids, and steroid are packaged into ____ within the jejunal enterocytes.
At pH 7, bile salts are positively or negatively charged?
T/F: Bile salts are absorbed into the jejunum
hydrolyzes a sterol ester into a steroid and a free fatty acid
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.
hydrolyzes triglycerides into 2-monglyceride and a free fatty acid
L cells are activated by
very important for the transportation of chylomicrons out of enterocyte
chylomicrons are formed where?
Which structure contains apolipoproteins?
Where is bile synthesized?
how do the contents of the mixed micelle enter the enterocyte?
At pH 7, colipase are positively or negatively charged?
T/F: Lipases are released from the pancreas in inactive form.
circulation of bile to GI tract then back to the liver is known as the _____ circulation
Where are the conjugated bile salts re-absorbed?
HDL and LDL enter the blood from the lymphatic system at which vessel?
during active digestion, bile primarily comes from where?
hydrolyzes phospholipids by cleaving of 1 free fatty acid
small and medium FFA are absorbed into the enterocytes and then absorbed into ____.
Chylomicrons are released from the basolateral membrane of enterocytes by what process?

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Created Mar 25, 2012ReportNominate

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