Topic 15: Digestive System - Structures - oral cavity

Question 1

What does the oral cavity include? (4)

Answer 1

• lips
• cheeks
• palate
• tongue

Question 2

What does the hard palate include? (2)

Answer 2

• 2 maxillae
• 2 palatine bones

Question 3

What does the soft palate include? (2)

Answer 3

• skeletal muscle
• posterior projection called the uvula

Question 4

What does the uvula do when swallowing?

Answer 4

• rises to close nasopharynx when swallowing

Question 5

What bone is the tongue attached to?

Answer 5

hyoid bone

Question 6

What type of muscle is the tongue?

Answer 6

skeletal muscle

Question 7

The tongue has tastebuds. What are they?

Answer 7

• projections of mucosa called papillae

Question 8

name the three pairs of salivary glands

Answer 8

1. Parotid
2. Submandibular
3. Sublingual

Question 9

Where is the parotid salivary gland?

Answer 9

Inferior and anterior to ears

Question 10

what is mumps?

Answer 10

Inflammation of one or both parotids

Question 11

where is the submandibular salivary gland?

Answer 11

• floor of mouth

Question 12

where is the sublingual salivary gland?

Answer 12

Below tongue on floor of mouth

Question 13

what is saliva made out of? (2)

Answer 13

99.5% water
0.5% solute ie. enzymes

Question 14

what is dentition?

Answer 14

teeth

Question 15

Where is dentition found?

Answer 15

• in maxillae and mandible

Question 16

What is child dentition, primary dentition called?

Answer 16

• deciduous “baby” teeth

Question 17

What is adult dentition called? (2)

Answer 17

• secondary dentition
• permanent teeth

Question 18

Please see diagram of all the teeth in a baby and adult

Answer 18

Question 19

How many teeth does a child have?

Answer 19

20

Question 20

How many teeth does an adult have?

Answer 20

32