Science Quiz / Lipid Digestion

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QUIZ: Can you name the Lipid Digestion?

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

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