Practice Quiz Digestive System

Question 1

a dog is a nutritional___

Answer 1

omnivore

Question 2

is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.

Answer 2

digestion

Question 3

most digestion in simple stomached animals taken place in the

Answer 3

duodenum

Question 4

____ is the hardest tissue in the body

Answer 4

enamel

Question 5

____ forms the bulk of the tooth

Answer 5

dentin

Question 6

teeth, commonly known as baby teeth, temporary teeth and milk teeth, are the first set of teeth in the growth development of humans and other diphyodont mammals. They develop during the embryonic stage of development and erupt—that is, they become visible in the mouth—during infancy.

Answer 6

deciduous

Question 7

a sharp edged tooth in mammals that is adapted for cutting and gnawing

Answer 7

incisors

Question 8

___ teeth are developed and used for ripping flesh, firmly holding food to tear it apart and occasionally used as weapons

Answer 8

canine

Question 9

the ___ teeth are flat, large teeth at the back of the mouth primarily used to grind food during chewing

Answer 9

molar

Question 10

______ teeth are paired upper and lower teeth (either molars or premolars and molars) modified in such a way as to allow enlarged and often self-sharpening edges to pass by each other in a shearing manner. In modern carnivores these teeth are the modified fourth upper premolar and the first lower molar. .

Answer 10

carnassial. Also known as sectorial

Question 11

3131/3121 is the dental formula of an adult cat. Knowing that, how many total canine teeth are found in this animal?

Answer 11

4

Question 12

The dental formal of a cow is 0033/3133. How many upper canines and how many upper incisors are found in this animal?

Answer 12

0

Question 13

_________ small, round or cone-shaped protuberances on the top of the tongue that contain taste buds.

Answer 13

papillae

Question 14

_______ glands are exocrine glands with ducts emptying into the mouth. They include a solution which may include enzymes needed to start the digestive process, bicarbonate buffers, electrolytes and antibodies.

Answer 14

salivary

Question 15

a common passageway for both food and air

Answer 15

pharynx

Question 16

a muscular tube that connects the pharynx to the stomach

Answer 16

esophagus

Question 17

the process of seizing or grasping or otherwise getting food into the mouth

Answer 17

prehension

Question 18

process of chewing food

Answer 18

mastication

Question 19

the pattern of muscle contraction that propels food through the GI tract

Answer 19

peristalsis

Question 20

visceral peritoneum is found where

Answer 20

superficial layers of abdominal organ

Question 21

parietal peritoneum is found where

Answer 21

outside lining of abdominal cavity

Question 22

omentum is found where

Answer 22

stomach

Question 23

mesentery is found where

Answer 23

small intestines

Question 24

term used to describe food as it leaves the stomach in semi-liquid form

Answer 24

chyme

Question 25

The production of intrinsic factor for Vitamin B12 absorption later in the small intestine takes place in the _____________

Answer 25

stomach

Question 26

general term used to describe an animal with a 4 chambered stomach

Answer 26

ruminant

Question 27

technical term to describe an animal with a simple or single stomach

Answer 27

monogastric

Question 28

the distal portion of a single stomach (where it connects to the small intestines) is called the

Answer 28

pylorus

Question 29

____ is a proteolyic enzyme essential in the digestive process. It is activated in the fundus of the stomach in the presence of HCI.

Answer 29

pepsin

Question 30

the anticipation of a meal, its smell, sight, or thought stimulates the ____ phase of digestive secretion. This phase is absent in the ruminant.

Answer 30

cephalic

Question 31

the ____ phase of secretion does not begin until food enters the stomach

Answer 31

gastric

Question 32

the normal pH of the stomach can be as low as

Answer 32

2

Question 33

Fibers of the ______ nerve synapse on cells in the gastric myenteric plexus. It is the tenth cranial nerve and the longest nerve of the autonomic nervous system. The nerve stimulates the release of acetylcholine during gastric phase of digestion.

Answer 33

vagus

Question 34

_____ are made of repeating units of monosaccharides and are required in the largest quantity in the diet for livestock species

Answer 34

carbohydrates

Question 35

____ are made of repeating amino acid units

Answer 35

proteins

Question 36

_____ contain 2.5x as much energy as the same quantity of carbohydrates

Answer 36

lipids

Question 37

Carbohydrate digestion begins with ____ (an enzyme) in the saliva and continues with further enzyme secretion in both the stomach and small intestine

Answer 37

amylase

Question 38

Protein digestion begins in the stomach and continues in the small intestine. In the stomach, the enzyme precursor pepsinogen is activated by the acid ____ and changes to the active enzyme ______

Answer 38

HCI, pepsin

Question 39

the true stomach in a ruminant

Answer 39

abomasum

Question 40

the honeycomb in a ruminant

Answer 40

reticulum. Also known as hardware stomach

Question 41

the manyplies in the ruminant

Answer 41

omasum. Also known as bible stomach.

Question 42

a magnet is placed into the ___ to prevent Hardware disease in cattle

Answer 42

reticulum

Question 43

The _________ _______ links the esophagus with the omasum in young pre-ruminant animals.

Answer 43

esophageal groove

Question 44

the abomasum releases the _____ enzyme to help curdle milk in preruminant animals. It is also utilized in cheese production in years past.

Answer 44

renin

Question 45

chewing the cud

Answer 45

rumination

Question 46

belching of gas

Answer 46

eructation

Question 47

___ and ___ are the two main gases released by ruminants during the fermentation process of digestion in the rumen

Answer 47

Carbon dioxide (CO2) and methane

Question 48

the digestive disorder known as ____ and occurs when the gases of fermentation are trapped in the rumen

Answer 48

bloat

Question 49

the main source of energy for the ruminant (produced by microflora within the rumen)

Answer 49

volatile fatty acids (VFAs)

Question 50

_____ is the first portion of the small intestines which connects to the stomach

Answer 50

duodenum

Question 51

the last part of the small intestines which connects to the cecum

Answer 51

ileum

Question 52

the middle segment of the small intestines

Answer 52

jejunum

Question 53

_____is a "digestive" organ that serves as both an endocrine and an exocrine gland

Answer 53

pancreas

Question 54

two hormones produced by the pancreas are ____ and _____

Answer 54

insulin, glucagon

Question 55

_____ is a fat digesting enzyme produced by the pancreas

Answer 55

lipase

Question 56

a carbohydrate digesting enzyme produced by the pancreas

Answer 56

amylase

Question 57

the largest digestive gland in the body

Answer 57

liver

Question 58

cholesterol is produced in this digestive organ

Answer 58

liver

Question 59

bile is produced in the ____ and stored in the ____

Answer 59

liver, gall bladder

Question 60

an emulsifier of fats

Answer 60

bile

Question 61

an animal becomes jaundiced when there is an increased ____ concentration in the blood

Answer 61

bilirubin

Question 62

milk sugar

Answer 62

lactose

Question 63

the blind diverticulum at beginning of colon

Answer 63

cecum

Question 64

The _______'s fermentation center “hindgut” is positioned after the stomach where enzymatic digestion occurs.

Answer 64

horse