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Digestive System
Test Description: Digestive System
Instructions: Answer all questions to get your test result.
1) The release of food from the stomach into the small intestine is regulated by the:
A
none of these
B
pyloric sphincter (valve)
C
internal anal sphincter
D
ileocecal valve
2) Protein digestion begins in the:
A
small intestine
B
stomach
C
esophagus
D
mouth
3) Which of the following modifications increases surface area in the small intestine with fingerlike extensions of the mucosa?
A
rugae
B
villi
C
sphincters
D
haustra
4) Enzymes and bile are carried by the pancreatic duct and bile duct into the:
A
large intestine
B
duodenum
C
jejunum
D
ileum
5) Which one of the following is NOT a modification (which is designed to increase surface area for absorption) within the small intestine?
A
Peyer's patches
B
microvilli
C
villi
D
plicae circulares
6) Amylase is an enzyme that is only able to digest:
A
vitamins
B
fat
C
protein
D
starch
7) Bile is produced by the __________ but stored in the __________.
A
gallbladder; pancreas
B
liver; gallbladder
C
gallbladder; liver
D
liver; pancreas
8) The propulsive process that moves food from one organ to the next is called:
A
chemical digestion
B
peristalsis
C
segmentation
D
ingestion
9) The process by which food within the small intestine is mixed with digestive juices by backward and forward movement is called:
A
absorption
B
segmentation
C
defecation
D
peristalsis
10) Digestion is primarily controlled by the:
A
sympathetic division of the autonomic nervous system
B
medulla oblongata
C
enterogastric reflex
D
parasympathetic division of the autonomic nervous system
11) The first nutrient to be chemically digested is:
A
vitamins
B
minerals
C
starch
D
protein
12) Which digestive system organ is the target of gastrin:
A
stomach
B
pancreas
C
esophagus
D
small intestine
13) Pepsin is necessary for the stomach to break down of:
A
carbohydrates
B
nucleic acids
C
saturated fats
D
proteins
14) Which of the following influence the release of pancreatic juice and bile?
A
cholecystokinin and secretin
B
cholecystokinin and gastrin
C
secretin and gastrin
D
rennin and cholecystokinin
*select an answer for all questions
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