Digestive System Flashcards
In the enteric nervous system, and long reflexive pathway bandage over a short reflexive pathway in the fact that…
Long reflexive pathways can be stimulated by things outside of the G.I. tract
The bolus is liquefied in the… And is now called chyme
Stomach
Stellar macrophages are found in the liver and are responsible for removing bacteria and worn-out cells. True or false
True
Fats significantly delay the emptying of the stomach through hormonal and neuronal signals.
True
Hepatocytes do not…
Produce digestive enzymes
Which of the following are types of papillae on the tongue that contain taste buds
Fungiform and circumvallate
It is important to ensure that your diet is adequately rich in vitamins because…
Most vitamins are coenzymes needed to help the body utilize essential nutrients
Except for lactose and some glycogen, the carbohydrates we can just remain we remotes. True or false
False
The molecule that serves as the major source of readily available fuel for neurons and blood cells is…
Glucose
Select the correct statement about proteins: Catabolic steroids or hormones accelerate the rate of protein synthesis; strict vegetarians need not worry about adequate protein intake as most vegetables are almost perfect sources of amino acids; proteins will be used by most cells for ATP synthesis if insufficient carbs are ingested; all proteins can be synthesized in the body is most of the amino acids are present
PROTEINS WILL BE USED BY MOST CELLS FOR ATP SYNTHESIS IF INSUFFICIENT CARBS ARE INGESTED;
The process of breaking triglycerides down into glycerol and fatty acid is known as…
Lipolysis
Which of the following is the best illustration of the difference between metabolism digestion?
Metabolism comprises all of the chemical reactions performed within the body while digestion is only the breakdown of food within the G.I. tract
The most abundant dietary lipids are…
Triglycerides
RBCs lack mitochondria. As a result, ATP production is solely through..
Glycolysis
Oxidation reduction reactions…
May involve the loss of hydrogen and electrons
Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube.
peristalsis
Chemical or mechanical process of breaking down foodstuffs into simpler units.
Digestion
Enzymatic breakdown of any type of food molecule.
Hydrolysis
Process by which simpler chemical units pass through the lumen of the gastrointestinal tract into the blood or lymph.
Absorption
Increases output of enzymatic-rich pancreatic juice.
Cholecystokinin
Increases output of pancreatic juice rich in bicarbonate ions.
Secretin
Increases HCl secretion and stimulates contraction of intestinal muscle.
Gastrin
Stimulates insulin release and mildly inhibits HCl production.
Gastric inhibitory peptide
Synthesis of lipids from glucose or amino acids.
lipogenesis