Mouth, Esophagus and Pharynx Check in

What are the three main organs of the upper alimentary canal?

• Stomach, small intestine, large intestine

• Mouth, pharynx, esophagus

• Liver, pancreas, gallbladder

• Lungs, heart, kidneys

Which muscle regulates what comes in and goes out of the mouth?

• Orbicularis oris

• Buccinator

• Palatoglossus

• Genioglossus

What is the function of the uvula?

• To aid in swallowing

• To produce saliva

• To protect the pharynx

• To prevent food from entering the nasal cavity

Which muscle is responsible for raising the tongue?

• Palatoglossus

• Hyoglossus

• Styloglossus

• Genioglossus

What is the function of salivary amylase?

• Breakdown of proteins

• Breakdown of carbohydrates

• Breakdown of fats

• Breakdown of nucleic acids

Which salivary gland secretes a watery solution containing salivary amylase?

• Submandibular gland

• Sublingual gland

• Parotid gland

• Labial gland

What is the purpose of saliva in the mouth?

• To lubricate food

• To initiate chemical breakdown of carbohydrates

• To protect against microbes

• All of the above

How many sets of teeth do humans have during their lifetime?

• 1

• 2

• 3

• 4

What are the baby teeth called?

• Deciduous teeth

• Permanent teeth

• Molar teeth

• Incisor teeth

At what age are the baby teeth replaced by permanent teeth?

• 6-12 months

• 1-2 years

• 6-12 years

• 13-18 years