Question 1

Peristalsis occurs in the digestive tract

Accepted Answer

A)  from the pharynx to the anus.
B)  in the stomach and small intestine only.
C)  in the small and large intestines only.
D)  in the stomach, small intestine, and large intestine.E) None of the above
F) A) and D)

Question 2

Emily, a newborn, was miserable and vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was

Accepted Answer

A)  an overgrowth of the stomach wall that narrows the opening between the esophagus and stomach.
B)  overgrowth of muscle that blocked the passageway from the stomach to the small intestine.
C)  a genetic defect resulting in the absence of the pyloris.
D)  an abnormally large peptic ulcer near the opening of the esophagus into the stomach.E) C) and D)
F) A) and B)

Question 3

The common hepatic duct and the cystic duct unite to form the

Accepted Answer

A)  common bile duct.
B)  hepatic duct.
C)  hepatopancreatic duct.
D)  pancreatic duct.E) B) and C)
F) C) and D)

Question 4

If prosecretin, the inactive form of the hormone secretin, is produced improperly and cannot be converted to the active form as a result, how will this affect the intestine and the pancreas during digestion?

Accepted Answer

A)  Alkaline pancreatic juice will not be released from the pancreas as chyme is emptied into the duodenum. Peptic ulcers may result.
B)  Enzyme-rich pancreatic juice will not be released from the pancreas as chyme is emptied into the duodenum. Proteins, fats, carbohydrates, and nucleic acids will not be digested.
C)  Cholecystokinin will not be released from the intestinal wall, so the acid of the chyme will not be neutralized. The duodenum will form peptic ulcers due to acid erosion.
D)  Acute pancreatitis will occur, as secretin will form within the pancreas and cause pancreatic juices to begin to digest pancreatic tissues.E) B) and D)
F) A) and B)

Question 5

Which of the following is the correct sequence for the digestion and absorption of lipids? 1. Formation of chylomicrons
2)  Emulsification by bile
3)  Diffusion through the epithelial cell membrane
4)  Hydrolysis by pancreatic lipase
5)  Movement into lacteal ducts

Accepted Answer

A)  4, 3, 2, 1, 5
B)  2, 4, 3, 1, 5
C)  2, 1, 4, 3, 5
D)  3, 2, 4, 5, 1E) All of the above
F) B) and D)

Question 6

VLDL molecules are produced in which organ?

Accepted Answer

A)  Pancreas
B)  Liver
C)  Kidneys
D)  StomachE) B) and D)
F) A) and D)

Question 7

The tissues turning yellow (jaundice) is due to the accumulation of

Accepted Answer

A)  cholesterol.
B)  bile pigments.
C)  carotene.
D)  hemoglobin A.E) A) and B)
F) None of the above

Question 8

During the defecation reflex, the

Accepted Answer

A)  diaphragm is lowered.
B)  glottis is opened.
C)  abdominal wall muscles relax.
D)  internal abdominal pressure is decreased.E) All of the above
F) A) and B)

Question 9

The liver

Accepted Answer

A)  forms glucose from noncarbohydrates.
B)  stores vitamin C.
C)  produces red blood cells.
D)  secretes chymotrypsin.E) A) and C)
F) B) and C)

Question 10

The process by which bile breaks down fat globules into smaller droplets is ________.

Accepted Answer

The answer of The process by which bile breaks down...

Question 11

Bile salts aid the absorption of ________ vitamins.

Accepted Answer

The answer of Bile salts aid the absorption of ________...

Question 12

Carrie is being examined by her dentist, who notices that she has many cavities (caries) . When she tells him about her dental regimen, he explains to her that she doesn't brush her teeth often enough to remove the bacteria that ________, which is why she has so many cavities.

Accepted Answer

A)  infect the gums, causing dental caries
B)  destroy the gums so that the teeth loosen
C)  metabolize carbohydrates in food, producing acidic by-products that damage enamel and dentin
D)  directly secrete acids that dissolve enamelE) All of the above
F) C) and D)

Question 13

Bile is composed of HCl, pepsin, mucus, and intrinsic factor.

Accepted Answer

A) True 
 B)False

Question 14

Receptor-mediated endocytosis removes ________ molecules from plasma, delivering cholesterol to the tissues.

Accepted Answer

A)  VLDL
B)  LDL
C)  HDL
D)  triglyceridesE) B) and D)
F) B) and C)

Question 15

The alimentary canal extends, in its entirety, from

Accepted Answer

A)  the mouth to the large intestine.
B)  the stomach to the small intestine.
C)  the liver to the gallbladder.
D)  the mouth to the anus.E) A) and C)
F) All of the above

Question 16

Heartburn is usually caused by the effects of gastric juice on the

Accepted Answer

A)  heart.
B)  esophagus.
C)  stomach.
D)  small intestine.E) All of the above
F) C) and D)

Question 17

Which is not a function of the liver?

Accepted Answer

A)  Maintaining blood glucose concentration
B)  Formation of urea
C)  Secretion of bile
D)  Secretion of insulinE) A) and B)
F) B) and C)

Question 18

The ________ reflex regulates the rate at which chyme leaves the stomach.

Accepted Answer

The answer of The ________ reflex regulates the rate at...

Question 19

Pancreatic digestive secretions are regulated by

Accepted Answer

A)  bile salts.
B)  cholesterol.
C)  cholecystokinin.
D)  the amount of food eaten.E) A) and D)
F) None of the above

Question 20

Ankyloglossia is a condition in which the tongue is almost completely anchored to the floor of the mouth along its midline. This causes the sufferer to have extreme difficulty talking and manipulating food during the process of mastication. The abnormal overgrowth of what structure would cause this condition?

Accepted Answer

A)  The vestibule
B)  The epiglottis
C)  The palatine tonsil
D)  The lingual frenulumE) A) and B)
F) A) and C)

Exam 17: Digestive System

Receptor-mediated endocytosis removes ________ molecules from plasma, delivering cholesterol to the tissues.

Correct Answer
verified

If prosecretin, the inactive form of the hormone secretin, is produced improperly and cannot be converted to the active form as a result, how will this affect the intestine and the pancreas during digestion?

Correct Answer
verified

Pancreatic digestive secretions are regulated by

Correct Answer
verified

The ________ reflex regulates the rate at which chyme leaves the stomach.

Correct Answer
verified

The alimentary canal extends, in its entirety, from

Correct Answer
verified

Emily, a newborn, was miserable and vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was

Correct Answer
verified

The liver

Correct Answer
verified

The tissues turning yellow (jaundice) is due to the accumulation of

Correct Answer
verified

Carrie is being examined by her dentist, who notices that she has many cavities (caries) . When she tells him about her dental regimen, he explains to her that she doesn't brush her teeth often enough to remove the bacteria that ________, which is why she has so many cavities.

Correct Answer
verified

Bile salts aid the absorption of ________ vitamins.

Correct Answer
verified

The process by which bile breaks down fat globules into smaller droplets is ________.

Correct Answer
verified

Peristalsis occurs in the digestive tract

Correct Answer
verified

During the defecation reflex, the

Correct Answer
verified

Correct Answer
verified

Heartburn is usually caused by the effects of gastric juice on the

Correct Answer
verified

VLDL molecules are produced in which organ?

Correct Answer
verified

Bile is composed of HCl, pepsin, mucus, and intrinsic factor.

Correct Answer
verified

The common hepatic duct and the cystic duct unite to form the

Correct Answer
verified

Which is not a function of the liver?

Correct Answer
verified

Which of the following is the correct sequence for the digestion and absorption of lipids? 1. Formation of chylomicrons 2) Emulsification by bile 3) Diffusion through the epithelial cell membrane 4) Hydrolysis by pancreatic lipase 5) Movement into lacteal ducts

Correct Answer
verified

Exam 17: Digestive System

Receptor-mediated endocytosis removes ________ molecules from plasma, delivering cholesterol to the tissues.

Correct AnswerverifiedShow Answer

If prosecretin, the inactive form of the hormone secretin, is produced improperly and cannot be converted to the active form as a result, how will this affect the intestine and the pancreas during digestion?

Correct AnswerverifiedShow Answer

Pancreatic digestive secretions are regulated by

Correct AnswerverifiedShow Answer

The ________ reflex regulates the rate at which chyme leaves the stomach.

Correct AnswerverifiedShow Answer

The alimentary canal extends, in its entirety, from

Correct AnswerverifiedShow Answer

Emily, a newborn, was miserable and vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was

Correct AnswerverifiedShow Answer

The liver

Correct AnswerverifiedShow Answer

The tissues turning yellow (jaundice) is due to the accumulation of

Correct AnswerverifiedShow Answer

Carrie is being examined by her dentist, who notices that she has many cavities (caries) . When she tells him about her dental regimen, he explains to her that she doesn't brush her teeth often enough to remove the bacteria that ________, which is why she has so many cavities.

Correct AnswerverifiedShow Answer

Bile salts aid the absorption of ________ vitamins.

Correct AnswerverifiedShow Answer

The process by which bile breaks down fat globules into smaller droplets is ________.

Correct AnswerverifiedShow Answer

Peristalsis occurs in the digestive tract

Correct AnswerverifiedShow Answer

During the defecation reflex, the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Heartburn is usually caused by the effects of gastric juice on the

Correct AnswerverifiedShow Answer

VLDL molecules are produced in which organ?

Correct AnswerverifiedShow Answer

Bile is composed of HCl, pepsin, mucus, and intrinsic factor.

Correct AnswerverifiedShow Answer

The common hepatic duct and the cystic duct unite to form the

Correct AnswerverifiedShow Answer

Which is not a function of the liver?

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence for the digestion and absorption of lipids? 1. Formation of chylomicrons 2) Emulsification by bile 3) Diffusion through the epithelial cell membrane 4) Hydrolysis by pancreatic lipase 5) Movement into lacteal ducts

Correct AnswerverifiedShow Answer

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