Question 1

Where does gastric mixing take place?

Accepted Answer

A)   body of the stomach
B)   fundus of the stomach
C)   antrum of the stomach
D)   duodenum of the small intestine after the entrance of chime from the stomach

Question 2

Match each sentence with the most appropriate choice:
-acetylcholine

Accepted Answer

A)   Promotes smooth muscle contraction
B)   Promotes smooth muscle relaxation
C)   Starch digestion
D)   Lipid digestion
E)   Sugar digestionF)  Bacterial digestionG)  Outer lumenH)  Inner lumenI)  Regulates gall bladder contractionJ)  Secreted in response to high duodenum acidity

Question 3

Match each sentence with the most appropriate choice:
-endopertrophic

Accepted Answer

A)   Promotes smooth muscle contraction
B)   Promotes smooth muscle relaxation
C)   Starch digestion
D)   Lipid digestion
E)   Sugar digestionF)  Bacterial digestionG)  Outer lumenH)  Inner lumenI)  Regulates gall bladder contractionJ)  Secreted in response to high duodenum acidity

Question 4

Until nutrients are absorbed, they are not considered to be inside the body even though
 they are inside the digestive tract.

Accepted Answer

A) True 
 B)False

Question 5

The gastroesophageal sphincter guards the upper opening of the esophagus.

Accepted Answer

A) True 
 B)False

Question 6

Gastric mixing involves which of the following?

Accepted Answer

A)   partially open pyloric sphincter
B)   closed pyloric sphincter
C)   propulsion of chyme through duodenum
D)   strong antral peristaltic contractions
E)   two of these

Question 7

The absorbable unit of carbohydrates is

Accepted Answer

A)   glucose.
B)   fructose.
C)   galactose.
D)   glucose or fructose.
E)   all of these.

Question 8

Secretin and CCK are involved in the regulation of pancreatic secretions. Discuss the affects of each of these hormones on the pancrease.

Accepted Answer

Secretin and CCK are both hormones invol...

Question 9

Control of gastric secretion in response to food related stimuli acting on the brain occurs in what phase?

Accepted Answer

A)   cephalic phase
B)   gastric phase
C)   intestinal phase
D)   all of these

Question 10

Which of the following pancreatic enzymes contributes to carbohydrate digestion?

Accepted Answer

A)   amylase
B)   chitinase
C)   carboxypeptidase
D)   amylase and chitinase
E)   all of these

Question 11

Which of the following receptor types is not found in the digestive tract?

Accepted Answer

A)   chemoreceptor
B)   osmoreceptor
C)   proprioceptors
D)   mechanoreceptor
E)   none of these.

Question 12

Which enzyme is active at the small intestine brush border?

Accepted Answer

A)   aminopepsidase
B)   lipase
C)   chymotrypsin
D)   pepsin
E)   invertase

Question 13

Epithelial cells lining the crop of some birds respond to the hormone prolactin.

Accepted Answer

A) True 
 B)False

Question 14

In arthropods the midgut is also referred to as the

Accepted Answer

A)   mesenteron
B)   antrum
C)   corpus
D)   filter chamber
E)   proctodaeum

Question 15

Which of the following secretes pepsinogen, which in turn initiates protein digestion?

Accepted Answer

A)   chief cells
B)   mucous cells
C)   parietal cells
D)   G cells

Question 16

Match each sentence with the most appropriate choice:
-Lysozyme

Accepted Answer

A)   Promotes smooth muscle contraction
B)   Promotes smooth muscle relaxation
C)   Starch digestion
D)   Lipid digestion
E)   Sugar digestionF)  Bacterial digestionG)  Outer lumenH)  Inner lumenI)  Regulates gall bladder contractionJ)  Secreted in response to high duodenum acidity

Question 17

Which of the following are paired incorrectly?

Accepted Answer

A)   voltage-gated Ca+ channels and slow-wave action potentials in smooth muscle
B)   intestinal smooth muscle and a syncytium
C)   spiral valve and teleost fish
D)   salivary glands and metazoans
E)   peristalsis and rumen

Question 18

Which of the following factors influence gastric emptying?

Accepted Answer

A)   amount of chyme
B)   fluidity of chyme
C)   impulses along the intrinsic plexuses
D)   impulses along the vagus nerve
E)   all of these

Question 19

Which of the following is NOT a function of the liver?

Accepted Answer

A)   vitamin C synthesis
B)   gluconeogenesis
C)   storage of iron
D)   buoyancy This is a part of the list for liver functions in the book.
E)   none of these

Question 20

Hardware disease

Accepted Answer

A)   occurs when ruminants swallow foreign objects that penetrate the reticulum allowing bacteria to escape.
B)   can lead to peritonitis.
C)   can occur because ruminants chew the regurgitated cud instead of swallowing their food a single time.
D)   two of these
E)   all of these.

Exam 14: Digestive Systems

Which of the following is NOT a function of the liver?

Correct AnswerverifiedShow Answer

Match each sentence with the most appropriate choice: -endopertrophic

Correct AnswerverifiedShow Answer

In arthropods the midgut is also referred to as the

Correct AnswerverifiedShow Answer

Which of the following receptor types is not found in the digestive tract?

Correct AnswerverifiedShow Answer

Gastric mixing involves which of the following?

Correct AnswerverifiedShow Answer

Which of the following factors influence gastric emptying?

Correct AnswerverifiedShow Answer

Epithelial cells lining the crop of some birds respond to the hormone prolactin.

Correct AnswerverifiedShow Answer

Which of the following are paired incorrectly?

Correct AnswerverifiedShow Answer

Which of the following secretes pepsinogen, which in turn initiates protein digestion?

Correct AnswerverifiedShow Answer

Control of gastric secretion in response to food related stimuli acting on the brain occurs in what phase?

Correct AnswerverifiedShow Answer

Until nutrients are absorbed, they are not considered to be inside the body even though they are inside the digestive tract.

Correct AnswerverifiedShow Answer

Where does gastric mixing take place?

Correct AnswerverifiedShow Answer

Match each sentence with the most appropriate choice: -acetylcholine

Correct AnswerverifiedShow Answer

The absorbable unit of carbohydrates is

Correct AnswerverifiedShow Answer

Which of the following pancreatic enzymes contributes to carbohydrate digestion?

Correct AnswerverifiedShow Answer

Secretin and CCK are involved in the regulation of pancreatic secretions. Discuss the affects of each of these hormones on the pancrease.

Correct AnswerAnswered by ExamLex AISecretin and CCK are both hormones invol...View AnswerShow Answer

Which enzyme is active at the small intestine brush border?

Correct AnswerverifiedShow Answer

Hardware disease

Correct AnswerverifiedShow Answer

The gastroesophageal sphincter guards the upper opening of the esophagus.

Correct AnswerverifiedShow Answer

Match each sentence with the most appropriate choice: -Lysozyme

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
Secretin and CCK are both hormones invol...
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