Gastrointestinal System

Question 1

Two parts of the digestive system

Answer 1

Digestive system proper
Accessory organs of digestion

Question 2

Accessory organs of digestion:

Answer 2

• Salivary glands
• Biliary tree
• Liver
• Pancreas
• Gallbladder

Question 3

Digestive system proper

Answer 3

• Oral cavity
• Stomach
• Pharynx
• Small intestines
• Esophagus \
• Large intestines

Question 4

T or F
The digestive system proper is 127 cm long and is composed of cartilage

Answer 4

FASLE
Long (823 cm), fibromuscular tube

Question 6

6 Basic Processes in GI

Answer 6

1. ingestion of food (mouth)
2. movement of food (peristalsis)
3. mechanical preparation of food (chewing)
4. chemical digestion
5. absorption of food
6. elimination of indigestible substances & wastes
   (defecation)

Question 7

From the lips to the junction of the mouth & pharynx

Answer 7

Oral Cavity

Question 8

Upper & lower lips separated by the

Answer 8

Oral fissure

Question 9

2 Areas of the oral cavity

Answer 9

1. Vestibule
2. Oral cavity proper

Question 10

Slit-like space between lips and cheeks (ext.
boundary) & gums and teeth (int. boundary)

Answer 10

Oral Vestibule

Question 11

space behind each 3rd molar tooth

Answer 11

Retromolar space

Question 12

T or F
l Communication between vestibule & oral cavity
proper when jaws are closed

Answer 12

TRUE

Question 13

divide vestibule & oral cavity proper

Answer 13

Teeth

Question 14

2 Parts of the teeth

Answer 14

crown
root

Question 15

embedded portion of the teeth
- fits into alveolar processes of jaws & covered by gingiva

Answer 15

root

Question 16

exposed part of the teeth
covered by enamel

Answer 16

crown

Question 17

Functions:
1. incisors –
2. canines –
3. molars -

Answer 17

Functions:
1. incisors – cutting
2. canines – grasping
3. molars - grinding

Question 18

– begins to appear at 6 mos. & complete at 2 yrs.
l Lost at 6th – 13th yr. of life

Answer 18

Deciduous/Milk/Temporary teeth

Question 19

begin to erupt at 6 yrs.
l Last tooth to erupt: 3rd molar or Wisdom tooth (appear between the 17th – 30th yr. of life)

Answer 19

Ø Permanent teeth

Question 20

mobile, muscular organ covered w/ mucous membrane

Answer 20

Tongue

Question 21

The tongue is located at Ant. 2/3 – oral cav. & Post. 1/3 – pharynx
Divided by an inverted V-shaped depression: called?

Answer 21

Ant. 2/3 – oral cav.
Post. 1/3 – pharynx
Divided by an inverted
V-shaped depression:
Sulcus terminalis

Question 22

midline fold of mucous membrane; attach tongue
to floor of mouth

Answer 22

Frenulum of the tongue

Question 23

3 Types of Papillae [human]
(ant. 2/3 of tongue):

Answer 23

1. Filiform
2. Fungiform
3. Circum(vallate)