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BIO202-CH23-Pan-lgin
BIO202 - Ch 23 - Pancreas & Large Intestine - Marieb/Hoehn - RioSalado - AZ
Question | Answer |
---|---|
Pancreas delivers what to the duodenum? | Pancreatic juice - water, enzymes, electrolytes, & bicarbonate - alkaline (pH8) - also amylase, lipases, & nucleases |
CCK stimulates what in pancreas? | Acini to release pancreatic juice |
Major function of large intestine | Absorbs most of remaining water from indigestible food & elimates them from body as feces. |
haustra | Muscle tone of large intestine causes sacs/pockets. |
Epiploic appendages | Small fat-filled pockets of visceral peritoneum that hangs from lg. intestine. |
cecum | 1st part of large intestine - appendix attached. |
veriform appendix | Masses of lymphoid tissue - part of MALT |
The __ stop feces from being passed along with gas. | flatus - rectal valves - 3 curves/bends in rectum. |
There are no __ or digestive enzyme-secreting cells in large intestine. | villi |
__ & __ are absent in the rectum & anal canal. | teniae coli & haustra |
There are over __ species of bacterial flora. | 700 |
Diverticulosis | Small herniations of mucosa through colon walls. |
Prolonged diarrhea results in? | Dehydration & electrolyte imbalance (acidosis & loss of potassium). |
Chemical digestion is a __ process. | catabolic |
Enzymatic breakdown of food molecule. | Hydrolysis - adds water molecule to break molecular bond (lysed). |