Question 1

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

Accepted Answer

A)  water
B)  alcohol
C)  aspirin
D)  glucoseE) B) and C)
F) A) and D)

Question 2

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.F) B) and D)
G) A) and E)

Question 3

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.F) A) and D)
G) B) and C)

Question 4

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

Accepted Answer

A)  trypsin
B)  glucagon
C)  insulin
D)  bileE) A) and D)
F) B) and C)

Question 5

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,ileumF) C) and E)
G) B) and C)

Question 6

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.F) B) and D)
G) A) and C)

Question 7

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.F) A) and B)
G) B) and E)

Question 8

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

Accepted Answer

A)  chyme
B)  rumen
C)  trypsin
D)  heliobacterE) A) and B)
F) B) and C)

Question 9

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.F) A) and E)
G) B) and E)

Question 10

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.F) B) and D)
G) C) and D)

Question 11

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 bleedingF) D) and E)
G) A) and C)

Question 12

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)  scurvyF) night blindnessG) pernicious anemiaH) D) and F)
I) D) and G)

Question 13

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)  heliobacterE) None of the above
F) B) and D)

Question 14

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)  mineralsF) B) and D)
G) A) and E)

Question 15

Which of the following stimulates hunger?

Accepted Answer

A)  ghrelin
B)  insulin
C)  leptin
D)  alpha-MSH
E)  cholecystokininF) None of the above
G) B) and C)

Question 16

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

Accepted Answer

A)  insulin
B)  leptin
C)  tryptophan
D)  ghrelin
E)  neuropeptide YF) C) and D)
G) A) and B)

Question 17

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)  scurvyF) night blindnessG) pernicious anemiaH) A) and F)
I) A) and E)

Question 18

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 IIIF) A) and B)
G) A) and C)

Question 19

All of the following teeth are found in adult vertebrates except

Accepted Answer

A)  canines.
B)  premolars.
C)  molars.
D)  precanines.
E)  incisors.F) All of the above
G) B) and E)

Question 20

Which digestive hormone stimulates the secretion of HCl?

Accepted Answer

A)  gastrin
B)  cholycystokinin
C)  gastric inhibitory peptide
D)  secretinE) C) and D)
F) A) and D)

Exam 48: The Digestive System

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

Correct Answer
verified

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

Correct Answer
verified

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)

Correct Answer
verified

Correct Answer
verified

Which of the following stimulates hunger?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Select the mismatched vitamin and its deficiency symptom or disorder.

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

All of the following teeth are found in adult vertebrates except

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which digestive hormone stimulates the secretion of HCl?

Correct Answer
verified

Exam 48: The Digestive System

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following stimulates hunger?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Select the mismatched vitamin and its deficiency symptom or disorder.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All of the following teeth are found in adult vertebrates except

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which digestive hormone stimulates the secretion of HCl?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified