Science Quiz / Lipid Digestion

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Can you name the Lipid Digestion?

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

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