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NURS 5315 GI Exam Study Guide Solutions

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NURS 5315 GI Exam Study Guide Solutions control of GI tract function - ANSWER-muscle control (chewing, swallowing, defecation) hormone control (ANS) (GI motility, secretion of substances that aid in digestions) upper GI anatomy - ANSWER-mouth, esophagus, stomach, duodenum lower GI anatomy - ...

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  • 26 de noviembre de 2024
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NURS 5315 GI Exam Study Guide
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control of GI tract function - ANSWER✔✔-muscle control (chewing,

swallowing, defecation)


hormone control (ANS) (GI motility, secretion of substances that aid in

digestions)


upper GI anatomy - ANSWER✔✔-mouth, esophagus, stomach, duodenum


lower GI anatomy - ANSWER✔✔-small intestine, large intestine, colon


GI blood flow - ANSWER✔✔-25% of cardiac output


arterial blood supply- celiac and mesenteric artery


venous blood supply- blood flows through gut to hepatic circulation via

the portal vein, liver blood flow, from liver via hepatic vein to IVC after

detoxification


reticuloendothelial cells - ANSWER✔✔-kupffer cells=macrophages


Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 1/17

,kupffer cells - ANSWER✔✔-macrophages in the liver.


remove toxins, bacteria and metabolic waste products


hepatic circulation - ANSWER✔✔-blood flows through liver sinusoids,

where kupffer cells remove toxins, bacteria, and metabolic waste products


non-fat, water soluble nutrients are absorbed by - ANSWER✔✔-gut and

enter hepatic circulation


reticuloendothelial cells and hepatocytes - ANSWER✔✔-absorb and store

the nutrients


intermediate chemical processing of nutrients occurs - ANSWER✔✔-in the

liver


constipation - ANSWER✔✔-difficult or infrequent stooling, individual

definition based upon baseline stooling patterns (2-3 day-week)


primary constipation - ANSWER✔✔-functional: normal motility but

difficulty passing stool


slow-transit: slow colon transit and accumulation of stool in sigmoid colon




Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 2/17

, pelvic floor dysfunction: failure of pelvic floor or anal sphincter muscle

relaxation


secondary constipation - ANSWER✔✔-opioid-induced, SCI, stroke,

Parkinson's, Hirschsprung disease


constipation manifestations last 3+ months - ANSWER✔✔-straining with

stooling, lumpy or hard stools, sensation of incomplete emptying, and/or

use of manual maneuvers to facilitate stooling >25% of time, <3

stools/week


diarrhea - ANSWER✔✔->3 loose, watery stools per day; categorized as

acute, persistent or chronic


osmotic diarrhea - ANSWER✔✔-ingestion of high osmolar substances that

pull water in and increase stool weight and volume


ex. ions (Mg sulfate, phosphate), sugars, lactulose, tube feeding formulas


secretory diarrhea - ANSWER✔✔-increased secretion of chloride or bicarb-

rich fluids or decreased Na absorption


ex. infection (rotavirus, e coli, c diff), IBD (UC, Chrons), constipation



Copyright ©EMILLYCHARLOTE 2025 ACADEMIC YEAR, ALL RIGHTS RESERVED. Page 3/17

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