The Digestive System

Name: __________________________ Date: _____________

|Link to: 23.1 The GI tract|
1.|Which of following processes is the function of the smooth muscle layer of the digestive system?|
A)|Ingestion|
B)|Secretion|
C)|Mixing and propulsion|
D)|Absorption|
E)|None of the above|
Ans:|C|

|Link to: 23.1 The GI tract|
2.|Which of following processes is the primary function of the mouth?|
A)|Ingestion|
B)|Secretion|
C)|Mixing and propulsion|
D)|Absorption|
E)|None of the above|
Ans:|A|

|Link to: 23.6 In the small intestine|
3.|Which of following processes is the primary function of the villi of the small intestine?|
A)|Ingestion|
B)|Secretion|
C)|Mixing and propulsion|
D)|Absorption|
E)|None of the above|
Ans:|D|

|Link to: 23.2 The mouth lubricates|
4.|Which of the following accessory organs produces a fluid to begin chemical digestion of food?|
A)|Teeth|
B)|Salivary glands|
C)|Liver|
D)|Gallbladder|
E)|Pharynx|
Ans:|B|

|Link to: 23.5 The pancreas|
5.|Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?|
A)|Teeth|
B)|Salivary glands|
C)|Liver|
D)|Gallbladder|
E)|Pharynx|
Ans:|C|

|Link to: 23.5 The pancreas|
6.|Which of the following accessory organs stores bile?|
A)|Teeth|
B)|Salivary glands|
C)|Liver|
D)|Gallbladder|
E)|Pharynx|
Ans:|D|

|Link to: 23.1 The GI tract|
7.|The capability of the GI tract to move material along its length is called|
A)|Motility|
B)|Propulsion|
C)|Digestion|
D)|Absorption|
E)|Defecation|
Ans:|A|

|Link to: 23.1 The GI tract|
8.|This layer of the GI tract is composed of areolar connective tissue containing blood and lymph vessels.|
A)|Mucosa|
B)|Lamina propria|
C)|MALT|
D)|Musclaris|
E)|Epithelium|
Ans:|B|

|Link to: 23.1 The GI tract|
9.|This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis.|
A)|Submucosa|
B)|Lamina propria|
C)|Epithelium|