ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
goals and objectives pt. 1 - (answer)describe anatomy and digestion
compare and contrast ruminants vs nonruminants
identify stomach compartments
alimentary canal - (answer)tube from mouth to anus (digestion and absorption)
complete tract
lumen (digesta)--inside colon
tubular structure
gastrointestinal tract (GIT) - (answer)region of alimentary canal
stomach to colon
alimentary canal structure - (answer)series of 4 tissue lining
mucosa
submucosa
muscularis
serosa
mucosa - (answer)alimentary canal structure
first that digesta interacts with
interface with lumen
absorption and secretion
submucosa - (answer)structural and immune cells
,ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
muscularis - (answer)muscle for motion
keeps digesta moving
serosa - (answer)interact with body cavity
mouth
pharynx - (answer)chewing (mechanical digestion)
initiation of swallowing reflex
salivary glands - (answer)moisten food, lubrication, polysaccharide (digesting enzyme) --mucus, amylase
esophagus - (answer)move food to stomach by peristaltic waves, lubrication (mucus)
stomach function - (answer)solubilization of food, kill microbes (HCl)
protein-digesting enzyme (pepsin)
lubricate and protect epithelial surface (mucus)
store, mix, dissolve food, regulate emptying
pregastric functions - (answer)prehension, mastication, swallowing
humans=food, animals=feed
mouth, esophagus, pharynx, salivary gland
prehension - (answer)food to mouth, varies the most
mastication - (answer)chewing, break down bolus, physical reduction
,ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
salivation - (answer)lubricate bolus, help feed be swallowed
3 major glands
3 major glands of salivation - (answer)parotid (watery, enzymes, ions, start digestion)
sublingual (mucous, lubricate)
submaxillary (mixed, mucus, ions, enzymes, water, both jobs)
functions of saliva - (answer)moisten feed (ions, water)
lubrication (aids swallowing)
starch digestion (amylase)
nitrogen recycling (urea)
rumen pH buffering
specialized functions
deglutition (swallowing) - (answer)most similar, reflex initiated by presence of food in pharynx (stops
respiration)
propulsion of food to stomach by esophageal peristalsis (involuntary)
major functions of gastric digestion - (answer)mixing, mechanical breakdown
hydrolytic digestion by acid enzymes
reservoir for controlled release of digesta to SI
stomach - (answer)size, shape varies
lined by nonglandular or secretory epithelium
, ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
functions: storage, mixing, partial digestion
limited absorptive capacity
esophageal (nonglandular) - (answer)section of the stomach
no actual function
nonglandular (prevents rise of acid)
sphyncter that shuts esophagus and esophageal region
cardiac region - (answer)section of the stomach
mucus producing
lubrication and protection (prevent ulcers)
top portion
fundus - (answer)peptic gland region (glandular)
gastric pits
chief (peptic) cells --proteolytic enzyme (pepsinogen)
parietal cells (HCl)
human stomach = 10 pH
pariental=pH=HCl
pepsinogen - (answer)activated by low pH
pepsinogen-pepsin/HCl-pepsin-ingested protein-short peptides
pyloric region - (answer)mucus secreting
endocrine G cells (gastrin, HCl by parietal)
COMPLETE (2026) (Latest Update 2026) UPDATE!!
goals and objectives pt. 1 - (answer)describe anatomy and digestion
compare and contrast ruminants vs nonruminants
identify stomach compartments
alimentary canal - (answer)tube from mouth to anus (digestion and absorption)
complete tract
lumen (digesta)--inside colon
tubular structure
gastrointestinal tract (GIT) - (answer)region of alimentary canal
stomach to colon
alimentary canal structure - (answer)series of 4 tissue lining
mucosa
submucosa
muscularis
serosa
mucosa - (answer)alimentary canal structure
first that digesta interacts with
interface with lumen
absorption and secretion
submucosa - (answer)structural and immune cells
,ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
muscularis - (answer)muscle for motion
keeps digesta moving
serosa - (answer)interact with body cavity
mouth
pharynx - (answer)chewing (mechanical digestion)
initiation of swallowing reflex
salivary glands - (answer)moisten food, lubrication, polysaccharide (digesting enzyme) --mucus, amylase
esophagus - (answer)move food to stomach by peristaltic waves, lubrication (mucus)
stomach function - (answer)solubilization of food, kill microbes (HCl)
protein-digesting enzyme (pepsin)
lubricate and protect epithelial surface (mucus)
store, mix, dissolve food, regulate emptying
pregastric functions - (answer)prehension, mastication, swallowing
humans=food, animals=feed
mouth, esophagus, pharynx, salivary gland
prehension - (answer)food to mouth, varies the most
mastication - (answer)chewing, break down bolus, physical reduction
,ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
salivation - (answer)lubricate bolus, help feed be swallowed
3 major glands
3 major glands of salivation - (answer)parotid (watery, enzymes, ions, start digestion)
sublingual (mucous, lubricate)
submaxillary (mixed, mucus, ions, enzymes, water, both jobs)
functions of saliva - (answer)moisten feed (ions, water)
lubrication (aids swallowing)
starch digestion (amylase)
nitrogen recycling (urea)
rumen pH buffering
specialized functions
deglutition (swallowing) - (answer)most similar, reflex initiated by presence of food in pharynx (stops
respiration)
propulsion of food to stomach by esophageal peristalsis (involuntary)
major functions of gastric digestion - (answer)mixing, mechanical breakdown
hydrolytic digestion by acid enzymes
reservoir for controlled release of digesta to SI
stomach - (answer)size, shape varies
lined by nonglandular or secretory epithelium
, ANSC 301 Exam 1 (Recent exam) Fully solved & updated 2026 Most
COMPLETE (2026) (Latest Update 2026) UPDATE!!
functions: storage, mixing, partial digestion
limited absorptive capacity
esophageal (nonglandular) - (answer)section of the stomach
no actual function
nonglandular (prevents rise of acid)
sphyncter that shuts esophagus and esophageal region
cardiac region - (answer)section of the stomach
mucus producing
lubrication and protection (prevent ulcers)
top portion
fundus - (answer)peptic gland region (glandular)
gastric pits
chief (peptic) cells --proteolytic enzyme (pepsinogen)
parietal cells (HCl)
human stomach = 10 pH
pariental=pH=HCl
pepsinogen - (answer)activated by low pH
pepsinogen-pepsin/HCl-pepsin-ingested protein-short peptides
pyloric region - (answer)mucus secreting
endocrine G cells (gastrin, HCl by parietal)
