Question 1

In addition to producing ________ that aids in digestion,the liver also regulates blood composition.

Accepted Answer

A) trypsin 
B) glucagon 
C) insulin 
D) bile 
A) trypsin 
B) glucagon 
C) insulin 
D) bile

Question 2

Which of the following describes the sequential processes occurring in the stomach?
I-Peristaltic waves of contraction propel the food along the esophagus.
II-Gastric juices are secreted with the arrival of food into the duodenum.
III-The acidic chyme is transferred through the pyloric sphincter.
IV-HCl and pepsin begin digestion of proteins into shorter polypeptides.

Accepted Answer

A) IV,III,and II 
B) II,III,and IV 
C) I,II,and III 
D) I,II,and IV 
E) II,IV,and III 
A) IV,III,and II 
B) II,III,and IV 
C) I,II,and III 
D) I,II,and IV 
E) II,IV,and III

Question 3

Which of the following does not have an "essential" component to it?

Accepted Answer

A) carbohydrates 
B) amino acids 
C) vitamins 
D) fatty acids 
E) minerals 
A) carbohydrates 
B) amino acids 
C) vitamins 
D) fatty acids 
E) minerals

Question 4

Which digestive hormone stimulates the secretion of HCl?

Accepted Answer

A) gastrin 
B) cholycystokinin 
C) gastric inhibitory peptide 
D) secretin 
A) gastrin 
B) cholycystokinin 
C) gastric inhibitory peptide 
D) secretin

Question 5

Select the mismatched vitamin and its deficiency symptom or disorder.

Accepted Answer

A) vitamin A-night blindness 
B) vitamin B1-beriberi 
C) vitamin C-scurvy 
D) vitamin D-pernicious anemia 
E) vitamin K-severe bleeding 
A) vitamin A-night blindness 
B) vitamin B1-beriberi 
C) vitamin C-scurvy 
D) vitamin D-pernicious anemia 
E) vitamin K-severe bleeding

Question 6

The triglycerides are combined with proteins in the small intestine to make them into water soluble particles which are called

Accepted Answer

A) chyme. 
B) zymogens. 
C) pepsin. 
D) chylomicrons. 
E) lipases. 
A) chyme. 
B) zymogens. 
C) pepsin. 
D) chylomicrons. 
E) lipases.

Question 7

If one examined the various layers of the gastrointestinal tract of a vertebrate,they would encounter (going from outside the tract to inside of the tract)

Accepted Answer

A) the submucosa,the mucosa,the lumen,the plexuses,and the serosA. 
B) the serosa,submucosa,and the mucosa. 
C) the serosa,submucosa,and the lumen. 
D) the mucosa,the plexuses,and the serosa. 
E) the serosa,the mucosa,and the submucosa. 
A) the submucosa,the mucosa,the lumen,the plexuses,and the serosA. 
B) the serosa,submucosa,and the mucosa. 
C) the serosa,submucosa,and the lumen. 
D) the mucosa,the plexuses,and the serosa. 
E) the serosa,the mucosa,and the submucosa.

Question 8

In what way are vitamins and essential amino acids similar to humans?

Accepted Answer

A) They are derived from the same precursor molecules. 
B) Both are integral parts of enzymes. 
C) They cannot be synthesized and must be ingested. 
D) Both are needed to synthesize steroid hormones. 
E) Both contain metal ions in the molecules. 
A) They are derived from the same precursor molecules. 
B) Both are integral parts of enzymes. 
C) They cannot be synthesized and must be ingested. 
D) Both are needed to synthesize steroid hormones. 
E) Both contain metal ions in the molecules.

Question 9

Which of the following is not able to be absorbed across the stomach wall?

Accepted Answer

A) water 
B) alcohol 
C) aspirin 
D) glucose 
A) water 
B) alcohol 
C) aspirin 
D) glucose

Question 10

The human intestine is divided into three regions.Which choice presents the correct order beginning from the stomach?

Accepted Answer

A) pylorus,duodenum,ileum 
B) duodenum,ileum,jejunum 
C) pylorus,duodenum,jejunum 
D) duodenum,ileum,pylorus 
E) duodenum,jejunum,ileum 
A) pylorus,duodenum,ileum 
B) duodenum,ileum,jejunum 
C) pylorus,duodenum,jejunum 
D) duodenum,ileum,pylorus 
E) duodenum,jejunum,ileum

Question 11

A person has his/her gall bladder removed.Which of the following is true?

Accepted Answer

A) The person would die without a gallbladder. 
B) The person could now eat as much fat as desired and not absorb it. 
C) The person could only eat small amounts of fat. 
D) The person could only eat very small meals. 
E) The person could only eat liquid meals. 
A) The person would die without a gallbladder. 
B) The person could now eat as much fat as desired and not absorb it. 
C) The person could only eat small amounts of fat. 
D) The person could only eat very small meals. 
E) The person could only eat liquid meals.

Question 12

Which of the following substances is not involved in appetite regulation?

Accepted Answer

A) insulin 
B) leptin 
C) tryptophan 
D) ghrelin 
E) neuropeptide Y 
A) insulin 
B) leptin 
C) tryptophan 
D) ghrelin 
E) neuropeptide Y

Question 13

The mixture of partially digested food and gastric juice is called _____.

Accepted Answer

A) chyme 
B) rumen 
C) trypsin 
D) heliobacter 
A) chyme 
B) rumen 
C) trypsin 
D) heliobacter

Question 14

Which of the following stimulates hunger?

Accepted Answer

A) ghrelin 
B) insulin 
C) leptin 
D) alpha-MSH 
E) cholecystokinin 
A) ghrelin 
B) insulin 
C) leptin 
D) alpha-MSH 
E) cholecystokinin

Question 15

A ______ is an organic substance the animal needs in small quantities,but cannot synthesize on its own.

Accepted Answer

A) vitamin 
B) hormone 
C) cofactor 
D) heliobacter 
A) vitamin 
B) hormone 
C) cofactor 
D) heliobacter

Question 16

Food moved to the back of the mouth by the tongue causes all of the following except

Accepted Answer

A) elevation of the palate to seal off the nasal cavity. 
B) churning of the stomach contents. 
C) folding of the epiglottis over the trachea. 
D) pressure against the pharynx to initiate swallowing. 
E) the swallowing center stimulates successive waves of contraction. 
A) elevation of the palate to seal off the nasal cavity. 
B) churning of the stomach contents. 
C) folding of the epiglottis over the trachea. 
D) pressure against the pharynx to initiate swallowing. 
E) the swallowing center stimulates successive waves of contraction.

Question 17

All of the following teeth are found in adult vertebrates except

Accepted Answer

A) canines. 
B) premolars. 
C) molars. 
D) precanines. 
E) incisors. 
A) canines. 
B) premolars. 
C) molars. 
D) precanines. 
E) incisors.

Question 18

Choose the letter of the best match of the vitamins with the following deficiency symptoms.
-Vitamin A

Accepted Answer

A) weakening of heart 
B) inflammation and breakdown of skin 
C) rickets 
D) severe bleeding 
E) scurvy
F)night blindness
G)pernicious anemia 
A) weakening of heart 
B) inflammation and breakdown of skin 
C) rickets 
D) severe bleeding 
E) scurvy
F)night blindness
G)pernicious anemia

Question 19

Choose the letter of the best match of the vitamins with the following deficiency symptoms.
-Vitamin C

Accepted Answer

A) weakening of heart 
B) inflammation and breakdown of skin 
C) rickets 
D) severe bleeding 
E) scurvy
F)night blindness
G)pernicious anemia 
A) weakening of heart 
B) inflammation and breakdown of skin 
C) rickets 
D) severe bleeding 
E) scurvy
F)night blindness
G)pernicious anemia

Question 20

The pancreas is an important accessory organ of the digestive system because it adds to the small intestine all of the following substances except

Accepted Answer

A) lipase. 
B) trypsin,chymotrypsin. 
C) DNase,RNase. 
D) pepsin. 
E) bicarbonatE. 
A) lipase. 
B) trypsin,chymotrypsin. 
C) DNase,RNase. 
D) pepsin. 
E) bicarbonatE.

Exam 48: The Digestive System

In addition to producing ________ that aids in digestion,the liver also regulates blood composition.

Which of the following does not have an "essential" component to it?

Which digestive hormone stimulates the secretion of HCl?

Select the mismatched vitamin and its deficiency symptom or disorder.

The triglycerides are combined with proteins in the small intestine to make them into water soluble particles which are called

If one examined the various layers of the gastrointestinal tract of a vertebrate,they would encounter (going from outside the tract to inside of the tract)

In what way are vitamins and essential amino acids similar to humans?

Which of the following is not able to be absorbed across the stomach wall?

The human intestine is divided into three regions.Which choice presents the correct order beginning from the stomach?

A person has his/her gall bladder removed.Which of the following is true?

Which of the following substances is not involved in appetite regulation?

The mixture of partially digested food and gastric juice is called _____.

Which of the following stimulates hunger?

A ______ is an organic substance the animal needs in small quantities,but cannot synthesize on its own.

Food moved to the back of the mouth by the tongue causes all of the following except

All of the following teeth are found in adult vertebrates except

Choose the letter of the best match of the vitamins with the following deficiency symptoms. -Vitamin A

Choose the letter of the best match of the vitamins with the following deficiency symptoms. -Vitamin C

The pancreas is an important accessory organ of the digestive system because it adds to the small intestine all of the following substances except

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