Quiz 20: The Digestive System
chyme.
Food in a semiliquid state that leaves the stomach and enters the duodenum is called
hormones.
Gastrin and cholecystokinin are
0
How many canine teeth does a ewe have?
fundus
Identify the portion of the stomach labeled B in the diagram. This is the ________________ of the stomach.
body
Identify the portion of the stomach labeled C in the diagram. This is the ________________ of the stomach.
antrum
Identify the portion of the stomach labeled D in the diagram. This is the ________________ of the stomach.
pylorus
Identify the portion of the stomach labeled E in the diagram. This is the ________________.
greater omentum
Identify the portion of the stomach labeled F in the diagram. This is the ________________ ________________.
pancreas
Identify the structure labeled 2 in the diagram. This is the _______________.
abomasum
Identify the structure labeled A in the diagram.
esophagus
Identify the structure labeled A in the diagram. This is the ______________
ileum
Identify the structure labeled A in the picture. Note: The stomach, duodenum, and jejunum have been removed.
omasum
Identify the structure labeled B in the diagram.
ascending colon
Identify the structure labeled B in the diagram. Note: The stomach, duodenum, and jejunum have been removed.
reticulum
Identify the structure labeled C in the diagram.
transverse colon
Identify the structure labeled C in the diagram. Note: The stomach, duodenum, and jejunum have been removed.
rumen
Identify the structure labeled D in the diagram.
descending colon
Identify the structure labeled D in the diagram. Note: The stomach, duodenum, and jejunum have been removed.
cecum
Identify the structure labeled E in the diagram. Note: The stomach, duodenum, and jejunum have been removed.
stomach
Identify this abdominal organ. The cardia is the opening into this organ. This is the __________________.
left lateral abdominal region
If you wanted to listen to the activity in the rumen of a cow, where would be the best area to place your stethoscope?
fermentation not mastication
In herbivores the process of converting plant material into usable nutrients is accomplished through
liver
In ruminants amino acids are absorbed from the intestinal mucosa and transported to the __ by the bloodstream.
300
In the Triadan System for documenting teeth, the left mandibular arch contains teeth in the ___ series.
colon
In which part of the large intestine does most water absorption take place?
endocrine pancreas.
Insulin is a hormone secreted by the
fatty acids
Ketosis, or metabolic acidosis, is a result of excess conversion of __ to ketones.
specialized smooth muscle cells.
Muscle contractions in the stomach and intestines of a monogastric animal are regulated by
proteins.
Pepsin is a proteolytic enzyme that begins the chemical digestion of
amino acids.
Peptides are made up of
lymphoid tissue.
Peyer"s patches are made up of
mucosal folds in the small intestine.
Plicae are
Stage one is voluntary; stages two and three are involuntary.
Swallowing happens in three stages. Which stage(s) is/are voluntary and which stage(s) is/are involuntary?
abomasum
The 'true' glandular stomach of a ruminant is the
not tongue or uvula
The __________ lies ventral to the soft palate.
nasopharynx
The ____________ lies dorsal to the soft palate.
muscle tissue.
The body of the tongue is made up of mostly
microvilli.
The brush border of the small intestines is made up of
at the caudal end of the esophagus.
The cardiac sphincter is located
epiglottic
The cartilage that makes up part of the laryngeal cartilage and prevents food from being aspirated into the trachea is the __ cartilage.
premolars and molars.
The cheek teeth are the
esophagus to the omasum.
The esophageal groove connects the
omasum
The folds of tissue seen in the picture are found in the ________ .
to control movement of food through the GI tract.
The function of the myenteric plexus is
descending duodenum
The gas filled section of intestine on the right side of the abdomen is the
reticulum
The honeycomb surface seen in the picture is found in the ________ .
mesentery
The intestines are suspended from the abdominal wall by the
carnassial
The largest cutting teeth in the jaw of a carnivore are known as the ___ teeth.
reticulorumen.
The largest fermentation chamber of the ruminant stomach is the
diaphragm.
The liver is located just caudal to the
corpus.
The mixing chamber of the stomach is the
rumen
The papilla seen in the picture are found in the ________ .
fundus.
The part of the stomach that allows the stomach to expand to store food after a large meal is the
apex.
The part of the tooth where nerves and blood vessels enter the tooth is the
peristalsis.
The pattern of muscle contraction that moves through the GI tract is called
to the left of the trachea.
The position of the esophagus in relation to the trachea as it travels down the neck is
outer layer of the wall of the GI tract
The serosa is the
omentum.
The stomach is connected to the abdominal wall by the
labial
The surface of the tooth that faces the animal"s lips is the __ surface.
occlusal
The surfaces of the teeth that come together when an animal closes its mouth are the __ surfaces
pylorus
The terminal part of the stomach that opens into the duodenum is the
mandible and temporal bones.
The two bones that are connected with the TMJ are the
the space between the outer surface of the teeth and the surrounding lips and cheeks.
The vestibule is
ileum
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled A.
right ventral colon
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled C.
left ventral colon
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled D.
left dorsal colon
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled F.
right dorsal colon
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled G.
transverse colon
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled H.
not descending duodenum
This is a view of the equine GI tract from the dorsal aspect. Identify the structure labelled I.
sternal flexure
This is a view of the equine GI tract from the dorsal aspect. The turn between C and D is called the ________ ________.
diaphragmatic flexure
This is a view of the equine GI tract from the dorsal aspect. The turn between F and G is called the ________ ________.
duodenum
This is the first section of the small intestine and is the location of bile entry. This is the _____________________.
liver
This is the largest of the internal organs. This is the _________________.
pancreas
This organ has both an exocrine and endocrine function and is often described as L shaped. It produces several critical enzymes and hormones. This is the __________________.
jejunum
This section of the small intestines is know as the ____________________.
inhibits digestion
What effect does sympathetic nerve stimulation have on digestion?
duodenum, jejunum, ileum
What is the correct order of the parts of the small intestine, starting with the first part?
aradicular hypsodont teeth
What type of tooth grows continually throughout the life of an animal?
translation.
When the lower jaw moves laterally and rostrally the movement is called
duodenum
Where does the pancreatic duct enter the GI tract?
liver
Where is albumin produced?
liver
Where will gluconeogenesis most likely take place in a ruminant?
reticulum
Which chamber of the ruminant stomach has mucosa that resembles a honeycomb?
segmentation
Which motility movement in the small intestine mixes the partially digested food but doesn"t move it toward the large intestine?
cow
Which one of the following animals has a dental pad?
equine
Which one of the following species does not have a gall bladder?
urobilin
Which one of the following substances gives urine its characteristic color?
horse
Which one of these animals has the least ability to vomit?
crown
Which part of the tooth extends above the gum line?
jejunum
Which portion of the intestine is filled with barium in this radiograph?
parotid
Which salivary gland, located ventral to the ear, produces nearly half of the total volume of saliva produced?
equine
Which species of animal uses the cecum as a fermentation chamber?
upper front incisors
Which teeth are normally missing in ruminants?
carbon dioxide and methane
Which two gases are produced during the fermentation process in the ruminant stomach?
parietal cells
Which type of glandular cells in the stomach secrete hydrogen and chloride that for hydrochloric acid?
bloat.
Acute ruminal tympany is also known as
volatile fatty acids (VFAs).
Acetate, propionate, and butyrate are examples of
horse
An example of a hindgut fermenter is a
pig.
An example of an omnivore is a
rumination.
Another name for 'chewing the cud' is
mastication.
Another name for chewing is
oral cavity.
Another name for the buccal cavity is the
liver gallbladder
Bile acids are produced in the ___[a]_____ and stored in the ___[b]_____ .
2 x (I3/I3, C1/C1, P3/P2, M1/M1) = 30 teeth.
dental formula for the adult cat.
2(I3/3 C1/1 P4/4 M2/3) = 42.
dental formula for the adult dog.
3 upper and 3 lower incisors, 1 canine above and one below, 3 premolars above and 3 below and finally an equal number of molars
dental formula for the adult horse.
