Which of the following does not contribute to the increase in small intestinal surface area?
Crypts of Lieberkuhn
Match the following peptides and signaling molecules with their classification.
Which of the following is not a function on the large intestines in ALL animals?
Feces formation and storage
Water and electrolyte recovery from ingesta
Which of the following benefits do microbes provide to both cranial and caudal fermenters?
Essential vitamin sythesis
Proteins from the breakdown of microbial bodies
Absorbable energy source from cellulose digestion
Proteins produced from non-protein nitrogen sources
Which of the following domesticated animals lacks a gall bladder?
Which of the following statements is TRUE?
Fatty acids are produced and absorbed throughout the large intestine of ruminants
Absorption of dietary protein in equids occurs primarily throughout the large intestine
Equid intestinal fermentation occurs in pouches throughout the hindgut called teniae
The ventriculus in birds is equivalent to the glandular stomach of mammals
Which of the following statements about the GI system of horses is FALSE?
The glandular and non-glandular portions of the horse stomach are separated by the margo plicatus.
Horses eructate to increase the mechanical digestion of cud.
Increases in horse PNS activity increase the frequency and force of their gastric contractions and secretion of gastric acid.
The small stomach size of horses makes it difficult for them to handle large quantities of food at a time.
Which GI wall layer is specialized for absorption and secretion?
Most of the enzymes required for digestion are produced by the
Which of the following statements is true?
Both salivary and pancreatic acinar cells produce digestive enzymes
Pancreatic fluids are hypotonic relative to other body fluids
Pancreatic fluids have a low pH to facilitate protein digestion
The pancreas is primarily an endocrine organ with small packets of exocrine glands
Which of the following volatile fatty acids is produced in the greatest abundance during GI Fermentation?
Which of the following inhibits gastric acid secretion?
Which of the following does NOT increase parietal cell gastric acid production?
Which of the following about the esophageal groove is FALSE?
Is functional throughout the life all ruminants
Prevents colostrum and milk fermentation
Allows milk to bypass rumen, reticulum and omasum
Forms based on the the posture of the animal
Which of the following statements is FALSE?
Pepsin is a protease that helps digest proteins.
Gastric acid converts pepsinogen to pepsin.
Parietal cell activity is inhibited by somatostatin.
Pepsinogen is produced by gastric parietal cells