Digestive System Quiz Review

Question 0

Accessory organs

Answer 0

Liver, pancreas, gallbladder, salivary glands

Question 1

Organs in the alimentary canal

Answer 1

Pharynx, esophagus, stomach, small intestine, large intestine

Question 2

Innermost layer of the GI tract

Answer 2

Mucous membrane (mucosa)

Question 3

What type of tissue is the mucous membrane made of?

Answer 3

Epithelial and connective

Question 4

Which layer of the GI tract contains blood vessels and nerves?

Answer 4

Submucosa

Question 5

What is the outer layer of the GI tract called?

Answer 5

Serous layer (serosa)

Question 6

Movement of tube, smooth muscles
Circular: affects ?
Longitudinal: affects ?

Answer 6

Muscular layer of GI tract

Diameter, length

Question 7

Series of contractions/relaxations which moves food along tube
Wavelike motion

Answer 7

Peristalsis

Question 8

“Chewing”

Functions to reduce food and mixing it with saliva

Answer 8

Mastication

Question 9

Fold of tissue which connects tongue to floor of mouth

Answer 9

Frenulum

Question 10

Projection blocking nasal cavity during swallowing

Answer 10

Uvula

Question 11

Baby teeth are called…?

Answer 11

Primary teeth

Question 12

Secondary teeth are called…?

Answer 12

Permanent teeth

Question 13

Three types of teeth and their purposes

Answer 13

Incisors: for biting
Canines and cuspids: for tearing (cone-shaped)
Bicuspids and molars: grinding

Question 14

Purpose of salivary glands?

Answer 14

Secrete saliva, mix and dilute food

Question 15

Enzyme that breaks down carbs, secreted by serous cells

Answer 15

Salivary amylase

Question 16

Mucous cells…?

Answer 16

Secrete mucous

Question 17

Which salivary gland is largest?

Answer 17

Parotid

Question 18

Which salivary gland is under your tongue?

Answer 18

Sublingual

Question 19

First stage of swallowing

Answer 19

Called Buccal phase
Voluntary
Food chewed/mixed with saliva and forms of bolus, bolus pushed into pharynx by tongue

Question 20

Second stage of swallowing

Answer 20

Pharyngeal-esophageal phase
Involuntary
Transports food thru pharynx/esophagus, breathing stops briefly

Question 21

Third stage of swallowing

Answer 21

Involuntary

Food enters esophagus and stomach