4/1 Digestive PAL Quiz

1. Mastication is also known as the mechanism of what?

• Biting

• Digestion

• Salivation

• Chewing

The enteric neurons are intrinsic nerve plexi neurons aka short nerve plexus

• True

• False

The circular layer of the muscularis externa contracts and changes the length of the tube

• True

• False

Which tongue papillae (a sensory structure) is located in a V-shaped formation that contains some taste buds?

• Filiform

• Fungiform

• Circumvallate

• Buccal

What’s the difference between mechanical and chemical digestion?

• Mechanical digestion physically breaks down big pieces of food; chemical digestion dissolves food into its building blocks

• Mechanical digestion dissolves food into its building blocks; chemical digestion physically breaks down big pieces of food

• Mechanical digestion eliminates fecal matter; chemical digestion absorbs water into the large intestine

• Mechanical digestion absorbs water in the large intestine; chemical digestion eliminates fecal matter

Which tunic of the alimentary canal is the deepest layer and is the visceral peritoneum?

• mucosa

• muscularis externa

• serosa

• submucosa

What is the pharynx's digestive action?

• Propulsion

• Segmentation

• Absorption

• Mastication

What is the function of our salivary amylase?

• 1. Secretes mucin that makes food slippery 

• 1. Breaks down carbohydrates into glucose 

• 1. Contain uric acid to get rid of waste in the body

• 1. Fights pathogens in the mouth