Digestive Questions - 17.2 The Mouth Through Esophagus

Question 1

The oral cavity (buccal cavity) is commonly called the:

Answer 1

Mouth

Question 2

What are the functions of the oral cavity?

Answer 2

• Ingestion
• Taste
• Chewing (Mastication)
• Mechanical digestion
• Swallowing (deglutition)

Question 3

What does the hard palate separate?

Answer 3

The oral cavity from the nasal cavity

Question 4

What are the two parts of the palate?

Answer 4

• Hard palate
• Soft palate

Question 5

The uvula is a part of the ________________.

Answer 5

Soft palate

Question 6

What are the names of the four (4) types of teeth?

Answer 6

• Incisors
• Canines
• Premolars
• Molars

Question 7

The esophagus lies _____________ to the trachea.

Answer 7

posterior

Question 8

The esophagus travels through the mediastinum. True or False

Answer 8

True

Question 9

What is the function of the lower esophageal sphincter?

Answer 9

Prevents regurgitation of stomach contents thus protecting the esophageal mucosa from stomach acid.

Question 10

Heartburn is due to regurgitation of stomach acid into the esophagus. What is the clinical term for Heartburn?

Answer 10

Acid reflux

Question 11

During swallowing (deglutition) the soft palate helps to block food from entering the ______________.

Answer 11

Nasal Cavity

Question 12

A bolus is formed in the ______________.

Answer 12

Oral cavity (mouth)

Question 13

A wad of food, mucus and salivary amylase is called a _______.

Answer 13

Bolus

Question 14

Where would one normally find the crown of a tooth?

Answer 14

Above the gum (gingiva)

Question 15

Where would one normally find the root of a tooth?

Answer 15

Within the gum (gingiva)

Question 16

What is the function of saliva?

Answer 16

• Dissolve molecules of food
• Cleanses the teeth
• Inhibits bacterial growth
• Moistens the mouth
• Lubricates food

Question 17

The function of mucus in saliva is to:

Answer 17

Lubricate food by binding it together into a soft, slippery bolus.

Question 18

The function of salivary amylase is to:

Answer 18

Begin digestion of the starch in the food.

Question 19

Name the three parts of the pharynx, superior to inferior.

Answer 19

• Nasopharynx
• Oropharynx
• Laryngopharynx

Question 20

Which salivary gland is located anterior and slightly inferior to the ear lobes?

Answer 20

Parotid glands

Question 21

Which salivary gland is located in the floor of the mouth below the tongue?

Answer 21

Sublingual glands

Question 22

Which salivary gland is located on the medial side of the mandible?

Answer 22

Submandibular glands