ANSC 311 Lab Exam
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ANSC 311 Lab Exam
Metabolic Physiology Lab Exam
What are the 4 types of digestion?
What are the canaliculi of the liver and what is their funtion?
Canals that merge to make bile ductucles
Collect bile secreted by hepatocytes
What is hardware disease?
Piece of ingested metal falls into reticulum, can puncture lining into peritoneal cavity and sometimes the heart. Causes severe inflammation and sometimes pericarditis.
Does a chicken have a gallbladder? A pig?
What enzymes come from the pancreas?
: break down fat
: break down protein
: break down carbs
What gases are formed in the rumen?
How do you treat bloat?
Trocar & cannula
How do you diagnose bloat post mortem?
Look for the "bloat line" in the esophagus
What is jaundice?
Yellowing of skin/eyes due to bilirubin build up (too many RBCs dying, overloaded/damaged liver, unable to move through GIT properly)
What arteries/veins flow to/from liver?
What is the role of the heptic artery?
Provide oxygen and nutrients to support the liver
What is the role of the hepatic vein?
Carry filtered blood from liver to inferior vena cava
What are the 3 colon flexures in horses?
What is the colon of a horse used for?
Absorb water, and carbs produced by the breakdown of cellulose in the cecum
What chemical is produced in the rumen for glucose synthesis?
What is acetate used for?
Substrate for FA synth in fat and mammary glands
What is butyrate used for?
Ruminal wall E source
What do cows use N for?
Microbial protein synth
What is secreted by the pancreas?
What are the exocrine hormones involved in digestion?
What endocrine hormones are involved in digestion?
Gastric inhibitory polypeptide
What are the effects of the SNS on the GIT?
Postganglionic neurons release Norepinephrine
Decrease smooth muscle motility, exocrine/endocrine secretion
What are the effects of the PSNS on the GIT?
Postganglionic neurons neurons release Ach
Increase smooth muscle motility, exocrine/endocrine secretion
What is the thymus and what is it's role?
Specialized immune organ that "educates" T-cells. Located in chest cavity.
What are the functions of the liver?
Lipoprotein synth (VLDL)
Plasma protein synth
How does a pig swallow food?
Moves to back of mouth with tongue
Laryngeal closure via epiglottis
Striated then smooth muscle of esophagus propel bolus toward stomach
Relaxation of lower esophageal sphincter
What gives strength to the rumen wall?
Stratified squamous keratinized epithelium