56 Questions
Which of the following is a characteristic of ruminant animals?
Highly efficient at digesting plant fiber
What is an example of a non-ruminant herbivore?
Horse
Which animals are examples of omnivores?
Humans, pigs, and dogs
What type of digestion involves movements in the gastrointestinal tract?
Mechanical digestion
Which animals typically have a smaller gastrointestinal tract?
Omnivores
What type of diet generally results in a longer and slower gastrointestinal tract?
Herbivorous diet
What is the objective of the digestive process?
To disassemble large molecules for absorption
In terms of digestive efficiency, which type of diet may make it easier to digest a variety of foods, including both plant and animal matter?
Omnivorous diet
What is the origin of the GI tract?
It originates in the skull
How many tissue layers make up the GI tract?
Four layers
What is the length of the GI tract in relation to an animal's body?
At least three times the length of an animal's body
Which organ is not considered a part of the GI tract but is integral to its functioning?
Both A and C
Which component is not part of the basic structure of the GI tract?
Liver
What is the function of the buccal cavity?
Serves as the entrance to the gastrointestinal (GI) tract
Where is the vestibule found in the oral cavity?
Between the lips/cheeks and the outer surface of the teeth
What are the contents of the oral cavity?
The area inside the teeth and the hard and soft palates
Where are the roots of the teeth embedded?
Alveolar Bone
What is the function of the periodontal membrane?
Anchoring the tooth in place
Where is the apex of the tooth located?
At the tip of the root
What determines the difficulty of tooth extraction?
The number of roots the tooth has
Which animals possess only lower teeth?
Ruminants
What is the role of dentin in the tooth structure?
Surrounds the pulp cavity, providing support and protection
What is the composition of enamel and where is it located?
The hard, protective outer layer covering the crown
What is the composition of tooth cementum?
Thin and bony
What is the function of tooth cementum?
Provides an anchor for the tooth in the jaw
In the dental formula, what does 'I' represent?
Incisors
What does the dental formula represent?
Number of each tooth type on one side of the upper and lower jaws
What is the primary observation about the teeth in babies' deciduous set?
They have pre-molars only and lack molars
At what stage are deciduous teeth present in domestic species?
At birth
What is the term used to describe the first set of teeth in domestic species?
Primary Teeth
What is a distinguishing characteristic of deciduous teeth compared to permanent teeth?
They are smaller and whiter
What type of teeth do babies typically lack in their deciduous set?
Molars
What is the characteristic crown size of brachyodont teeth?
Small crowns
Which animals have hypsodont teeth that can 'grow' when worn down?
Horses, boars, rodents, and ruminants
What is the defining characteristic of hypsodont teeth?
Tall structure allowing continual growth
What is a distinguishing feature of brachyodont teeth in terms of growth?
Do not grow continually
What is the function of premolar teeth in heterodont dentition?
Crushing and grinding
Which type of teeth are responsible for gripping and tearing in heterodont dentition?
Canine
In heterodont dentition, which teeth are specifically for cutting and shearing?
Incisor
What does heterodont dentition refer to?
The presence of different types of teeth in the same dentition
What is a specialized function of the tongue related to thermoregulation?
Involved in regulating body temperature through panting
In the eating process, what essential function does the tongue serve in relation to the teeth?
The teeth rely on the tongue for effective functioning
Where are the tongue papillae located?
Dorsal surface of the tongue
What is a mechanical function of the tongue?
Moving food to the pharynx
What main component of saliva is responsible for pH regulation?
Salivary bicarbonate
What is the primary function of lysozyme in saliva?
Antibacterial action
Which three main paired glands are responsible for saliva production?
Parotid, mandibular, and sublingual glands
What is the role of amylase in saliva?
Initiates enzymatic digestion
What is the primary function of saliva in the oral cavity?
Aids in the smooth movement of food
Which observation is true regarding saliva production in herbivores?
They generally produce the most saliva
Apart from aiding in digestion, what other function does saliva perform in the oral cavity?
Provides a degree of protection against bacteria
What movement is associated with temporomandibular joint flexion?
Closing the mouth
How can diet influence the Translation movement of the temporomandibular joint?
By influencing the overall movement of the joint
What impact does the number of functions a joint has, have on its potential for issues or dysfunction?
More functions increase the potential for issues
What movement is responsible for side-to-side and front-to-back movement of the temporomandibular joint?
Translation
What movement is associated with temporomandibular joint extension?
Opening the mouth
Test your knowledge of herbivores and their dietary habits with this quiz. Learn about ruminants like cattle and goats, as well as non-ruminants such as horses. Explore the distinction between herbivores and carnivores in the animal kingdom.
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