Physiology – IUPUI – Exam 5 – 2025/2026 – Complete Review with Answers

Physiology IUPUI Exam 5 2025/2026
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Pathway of food from mouth to anus - 🧠ANSWER ✔✔mouth, pharynx, esophagus,

stomach, small intestine, large intestine, rectum, anus


upper GI tract - 🧠ANSWER ✔✔Oral cavity


Pharynx

Esophagus w/ sphincters

Stomach w/ sphincters


lower GI tract - 🧠ANSWER ✔✔small intestine, large intestine


mechanical digestion - 🧠ANSWER ✔✔Physical breakdown of large pieces of food

into smaller pieces




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,enzymatic hydrolysis - 🧠ANSWER ✔✔the process in digestion that splits

macromolecules from food by the enzymatic addition of water


location of mechanical digestion - 🧠ANSWER ✔✔teeth


location of enzymatic hydrolysis - 🧠ANSWER ✔✔salivary glands and saliva


accessory organs of GI tract - 🧠ANSWER ✔✔salivary glands, liver, gallbladder,

pancreas


tonic contractions - 🧠ANSWER ✔✔Maintain contraction for long periods of time


tonic smooth muscle - 🧠ANSWER ✔✔Sphincters


Stomach fundus & body


phasic contractions - 🧠ANSWER ✔✔Contract on demand


phasic smooth muscle - 🧠ANSWER ✔✔pacemaker cells


role of pacemaker cells - 🧠ANSWER ✔✔control smooth muscle contractions in

the small intestine, stomach, and colon


Location of peristalsis - 🧠ANSWER ✔✔esophagus, stomach, intestines



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STATEMENT. ALL RIGHTS RESERVED

,location of segmentation - 🧠ANSWER ✔✔intestines


location of mass movement - 🧠ANSWER ✔✔colon


location of migrating myoelectric complex - 🧠ANSWER ✔✔stomach through

large intestine


Function of peristalsis - 🧠ANSWER ✔✔The waves of muscle contractions in the

walls of the organ that squeezes food along the canal.


function of segmentation - 🧠ANSWER ✔✔sequential contraction


Function of Mass Movement - 🧠ANSWER ✔✔move material through colon


function of migrating myoelectric complex - 🧠ANSWER ✔✔keep material moving


When does peristalsis begin? - 🧠ANSWER ✔✔after meals


When does segmentation begin? - 🧠ANSWER ✔✔during and after meals


When does mass movement occur? - 🧠ANSWER ✔✔during and after meals


when does migrating myoelectric complex occur? - 🧠ANSWER ✔✔between meals




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STATEMENT. ALL RIGHTS RESERVED

, fucntion of CFTR channel - 🧠ANSWER ✔✔allow chlorine to diffuse out of the

cell


how does mutation of the CTFR channel affect digestion? - 🧠ANSWER ✔✔blocks

ducts in digestion


function of bile salts - 🧠ANSWER ✔✔emulsify fats


function of lecithin phospholipids - 🧠ANSWER ✔✔emulsifying agent


function of bile pigments - 🧠ANSWER ✔✔digestion of fats


function of HCO3- in stomach - 🧠ANSWER ✔✔maintenance of mucosal integrity


function of cholesterol - 🧠ANSWER ✔✔waste


function of trace metals - 🧠ANSWER ✔✔waste


enzymes responsible for hydrolysis - 🧠ANSWER ✔✔amylase


Long reflexes in digestive system - 🧠ANSWER ✔✔stimuli within GI Tract: Taste,

stretch, chemical, osmolarity, pH

stretch outside GI Tract: Sight, smell, thought



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STATEMENT. ALL RIGHTS RESERVED