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