Digestive Tract Anatomy and Physiology

Question 1

Include swine, poultry, dogs, cats, and humans

Answer 1

Simple non ruminants

Question 2

Often referred to as monogastric animals

Answer 2

Simple non ruminants

Question 3

Describe the stomach of the non ruminants

Answer 3

have pouch00lik, non compartmentalized stomach

Question 4

They rely on chemical digestion of food thru secretion of digestive enzymes in the gut

Answer 4

Simple non ruminants

Question 5

Starch is hydrolyzed to ________________

Answer 5

maltose

Question 6

stores ingested feed and meters ingesta into small intestine

Answer 6

stomach

Question 7

this is secreted in the stomach that kills most of the bacteria ingested with the feed

Answer 7

HCl

Question 8

it hydrolyzes protein due to its acidic pH and activates pepsin

Answer 8

HCl

Question 9

is secreted to coagulate casein

Answer 9

Rennin

Question 10

milk protein

Answer 10

casein

Question 11

major site of absorption and digestion in simple non-ruminants

Answer 11

small intestine

Question 12

major site of nutrient absorption in the small intestine

Answer 12

jejunum

Question 13

serves as major source of digestive enzymes that degrade CHONS< CHO,, Lipids

Answer 13

Pancreas

Question 14

Trypsin and chymotrypsin for _______________

Answer 14

protein digestion (CHONS)

Question 15

Amylase for _____________

Answer 15

Carbohydrate digestion (CHO)

Question 16

Lipase for __________

Answer 16

Fat digestion (Lipids)

Question 17

neutralize stomach acid as food enters the small intestine

Answer 17

bicarbonate

Question 18

a complex ecosystem of anaerobic microorganisms further degrades and metabolizes undigested residues

Answer 18

large intestine

Question 19

results in the production of VFAS, carbon dioxide and methane

Answer 19

Microbial fermentation

Question 20

is metabolized to indole and skatole, which gives the characteristic odor of feces

Answer 20

Tryptophan

Question 21

The ____________ in simple ruminants absorb water, ferments bacteria and form feces

Answer 21

hindgut (cecum, colon and rectum)

Question 22

Bacterial growth in the hindgut results in the synthesis of ____________

Answer 22

vitamin B complex

Question 23

It has a large, compartmentalized stomach

Answer 23

Ruminants

Question 24

dental pads are present

Answer 24

Ruminants

Question 25

Saiva contains _________ to keep rumen at a proper neutral pH for good bacterial growth

Answer 25

Rumen

Question 26

a fermentation vat that contains an immense microbial population of bacteria, protozoa, fungi and yeast that ferment the ingested feeds

Answer 26

Rumen

Question 27

pH level of rumen

Answer 27

5.8

Question 28

major sources of energy

Answer 28

VFAS

Question 29

What are the three VFAS

Answer 29

acetic, butyric, propionic

Question 30

also produces large quantities of gasses mainly co2 and ch3

Answer 30

rumen

Question 31

process of expelling gas produced by microbial fermentation

Answer 31

Eructation

Question 32

failure to eructate causes __________

Answer 32

bloat

Question 33

overeating of grains

Answer 33

gaseous bloat

Question 34

excessive gas builds up due to obstruction

Answer 34

gaseous bloat

Question 35

alfalfa

Answer 35

frothy bloat

Question 37

is a characteristic feature of all ruminants

Answer 37

Rumination

Question 38

traps foreign materials such as nails, wire, and stones

Answer 38

reticulum

Question 39

known as the honeycomb

Answer 39

reticulum

Question 40

known as the bookplies

Answer 40

omasum

Question 41

act as a filter, absorbing water and filtering out small food particles

Answer 41

omasum

Question 42

regulates flow of ingesta by acting as a slee or filter thru its membranous leaves

Answer 42

omasum

Question 43

known as the true stomach

Answer 43

abomasum

Question 44

site of secretion of gastric juices such as HCl and proteolytic enzymes

Answer 44

abomasum

Question 45

acidity in this compartment allows digestion of microbial protein, which serves as the major source of amino acids for ruminants

Answer 45

abomasum

Question 46

serves as the major source of amino acids in ruminants

Answer 46

microbial protein