Unit 3 - Digestive System, Randoms 2

Question 1

In the mouth, what is the uvula?

Answer 1

Hangs at the back of the soft palate & aids in production of speech & sound.

Question 2

Which tonsils are affected in tonsilitis?

Answer 2

palatine tonsils

Question 3

Where are the pharyngeal tonsils or adenoids located?

Answer 3

In the space behind the nose.

Question 4

Where are the lingual tonsils located?

Answer 4

On the back third of the tongue.

Question 5

Where are the palatine tonsils located?

Answer 5

on both sides of the oropharynx. These are the tonsils affected by tonsilitis.

Question 6

The tongue is composed of which muscle?

Answer 6

skeletal (voluntary) muscle tissue.

Question 7

What does FDI stand for?

Answer 7

Federation Dentaire International

Question 8

What is the muscular tube which swallows food from mouth & pushes into the oesophagus?

Answer 8

pharynx (also called throat)

Question 9

The …… allows air to pass from the nose & mouth to the trachea.

Answer 9

pharynx

Question 10

During swallowing, the …. covers the larynx blocking access to the trachea & allowing food to pass to the oesophagus.

Answer 10

epiglottis. (it is a large piece of cartilage)

Question 11

The pharynx is made up of three parts - one starts with “n”.

Answer 11

Nasopharynx - behind the nasal cavity.

Question 12

The pharynx is made up of three parts - one starts with “o”.

Answer 12

Oropharynx - behind the oral cavity

Question 13

The pharynx is made up of three parts - one starts with “L”.

Answer 13

laryngopharynx - also known as the hypopharynx - connects to the larynx & the oesophagus.

Question 14

What is the long muscular tube which conveys food to the stomach using peristalsis?

Answer 14

oesophagus (commonly called the gullet)

Question 15

At the upper end of the oesophagus is the …….. (2 words) sphincter which opens upon swallowing to allow food to move into the oesophagus.

Answer 15

upper oesophageal sphincter

Question 16

At the lower end of the oesophagus is the …… (2 words) sphincter which opens to allow the food bolus to pass into the stomach & closes preventing backflow.

Answer 16

lower oesophageal sphincter (cardiac sphincter)

Question 17

What is the name of mucous membrane that secretes mucus?

Answer 17

mucosa

Question 18

What is the name of the layer of fibrous connective tissue under the mucosa?

Answer 18

submucosa

Question 19

What is the name of the muscular layer?

Answer 19

muscularis

Question 20

What is the name of the serous membrane that secretes serous fluid?

Answer 20

serosa

Question 21

The stomach is lined with natural folds called …… that allow the stomach to distend when full of food.

Answer 21

rugae (singular ruga)

Question 22

What is the top portion of the stomach below the lower oesophageal sphincter called?

Answer 22

Cardia.

Question 23

What is the temporary storage area in the stomach called?

Answer 23

fundus - swallowed air often fills this area.

Question 24

In the stomach what is the name of the reservoir for ingested food & area of action of the gastric juices digesting food into proteins.

Answer 24

Body or corpus

Question 25

The end product of the digestive process in the stomach (body of) is called?

Answer 25

chyme. a mix of broken down food bolus mixed with gastric juices.

Question 26

What is the lower end of the stomach called?

Answer 26

Pylorus. sometimes referred to as the pyloric region. Pylorus comes from the greek word meaning gate keeper.

Question 27

Name of the canal where chyme is held to be released into the duodenum when the duo. is ready to accept it.

Answer 27

pyloric canal.

Question 28

Name of the muscular ring enclosing the pylorus that relaxes to allow chyme to move thru into duodenum in small amounts.

Answer 28

pyloric schincter (also sometimes referred to as the pylorus)