Question 1

The abdominal cavity is lined with ________.

Accepted Answer

A)  the omental bursa 
B)  mesenteries 
C)  the greater omentum 
D)  parietal peritoneum 
E)  superficial fascia 
A)  the omental bursa 
B)  mesenteries 
C)  the greater omentum 
D)  parietal peritoneum 
E)  superficial fascia

Question 2

One of the major functions of the large intestine is to

Accepted Answer

A)  produce vitamin C. 
B)  regulate the release of bile. 
C)  break down hemoglobin to release bilirubin. 
D)  convert chyme to feces. 
A)  produce vitamin C. 
B)  regulate the release of bile. 
C)  break down hemoglobin to release bilirubin. 
D)  convert chyme to feces.

Question 3

Which of the following occurs in the large intestine?

Accepted Answer

A)  Chemical digestion 
B)  Mass movements 
C)  Mastication 
D)  Mixing waves 
E)  Neutralization 
A)  Chemical digestion 
B)  Mass movements 
C)  Mastication 
D)  Mixing waves 
E)  Neutralization

Question 4

The anal canal

Accepted Answer

A)  begins at the sigmoid colon and ends at the rectum. 
B)  has an internal sphincter composed of smooth muscle. 
C)  contains many goblet cells. 
D)  contains tubular glands called crypts. 
E)  has an external sphincter composed of smooth muscle. 
A)  begins at the sigmoid colon and ends at the rectum. 
B)  has an internal sphincter composed of smooth muscle. 
C)  contains many goblet cells. 
D)  contains tubular glands called crypts. 
E)  has an external sphincter composed of smooth muscle.

Question 5

The salivary glands located just anterior to the ear are the ________ glands.

Accepted Answer

A)  parotid 
B)  submandibular 
C)  buccal 
D)  labial 
E)  sublingual 
A)  parotid 
B)  submandibular 
C)  buccal 
D)  labial 
E)  sublingual

Question 6

Which of the following attaches the liver to the anterior abdominal wall?

Accepted Answer

A)  Greater omentum 
B)  Lesser omentum 
C)  Transverse mesocolon 
D)  Falciform ligament 
E)  Round ligament 
A)  Greater omentum 
B)  Lesser omentum 
C)  Transverse mesocolon 
D)  Falciform ligament 
E)  Round ligament

Question 7

Bile is produced by cells of the ________.

Accepted Answer

A)  duodenum 
B)  liver 
C)  gallbladder 
D)  pancreas 
E)  hepatopancreatic ampulla 
A)  duodenum 
B)  liver 
C)  gallbladder 
D)  pancreas 
E)  hepatopancreatic ampulla

Question 8

Which of the following is NOT part of a portal triad?

Accepted Answer

A)  Hepatic artery 
B)  Hepatic duct 
C)  Hepatic portal vein 
D)  Central vein 
A)  Hepatic artery 
B)  Hepatic duct 
C)  Hepatic portal vein 
D)  Central vein

Question 9

Which of the following statements concerning digestion in the stomach is not true?

Accepted Answer

A)  Salivary amylase will eventually be inactivated in the stomach, halting carbohydrate digestion. 
B)  Gastric lipase is produced in large volumes, allowing for high levels of lipid digestion. 
C)  Proteins are digested by HCl only. 
D)  All of the choices are correct. 
A)  Salivary amylase will eventually be inactivated in the stomach, halting carbohydrate digestion. 
B)  Gastric lipase is produced in large volumes, allowing for high levels of lipid digestion. 
C)  Proteins are digested by HCl only. 
D)  All of the choices are correct.

Question 10

Food in the stomach is squeezed and mixed with gastric juices, forming a semiliquid called ________.

Accepted Answer

A)  bolusin 
B)  chyme 
C)  bile 
D)  phlegm 
E)  feces 
A)  bolusin 
B)  chyme 
C)  bile 
D)  phlegm 
E)  feces

Question 11

Nutrient-rich blood from the digestive tract comes to the liver by way of the ________.

Accepted Answer

A)  hepatic artery 
B)  hepatic portal vein 
C)  hepatic vein 
D)  inferior vena cava 
E)  celiac trunk 
A)  hepatic artery 
B)  hepatic portal vein 
C)  hepatic vein 
D)  inferior vena cava 
E)  celiac trunk

Question 12

If the thoracic duct were tied off, which of the following classes of nutrients would not enter the circulatory system at their normal rate?

Accepted Answer

A)  Amino acids 
B)  Glucose 
C)  Lipids 
D)  Disaccharides 
E)  Monosaccharides 
A)  Amino acids 
B)  Glucose 
C)  Lipids 
D)  Disaccharides 
E)  Monosaccharides

Question 13

LDLs are taken into a cell by the process of ________.

Accepted Answer

A)  simple diffusion 
B)  osmosis 
C)  receptor mediated endocytosis 
D)  HDL carrier molecules 
E)  facilitated diffusion 
A)  simple diffusion 
B)  osmosis 
C)  receptor mediated endocytosis 
D)  HDL carrier molecules 
E)  facilitated diffusion

Question 14

The formation of HCl in the stomach involves the

Accepted Answer

A)  active transport of H+ from parietal cells into the lumen of the stomach. 
B)  exchange of Na+ for H+ in the transport process. 
C)  active transport of Cl− from parietal cells into the lumen of the stomach. 
D)  exchange of Na+ and bicarbonate ions. 
E)  the combination of CO2 and water. 
A)  active transport of H+ from parietal cells into the lumen of the stomach. 
B)  exchange of Na+ for H+ in the transport process. 
C)  active transport of Cl− from parietal cells into the lumen of the stomach. 
D)  exchange of Na+ and bicarbonate ions. 
E)  the combination of CO2 and water.

Question 15

Intrinsic factor

Accepted Answer

A)  increases gastric motility. 
B)  causes the release of stomach acid. 
C)  facilitates the absorption of vitamin B12. 
D)  protects the stomach lining from the effects of stomach acid. 
E)  stimulates the synthesis of DNA. 
A)  increases gastric motility. 
B)  causes the release of stomach acid. 
C)  facilitates the absorption of vitamin B12. 
D)  protects the stomach lining from the effects of stomach acid. 
E)  stimulates the synthesis of DNA.

Question 16

What is the function of bicarbonate when it is secreted by the large intestine?

Accepted Answer

A)  It increases the pH of the feces, which are acidic because of bacterial secretions. 
B)  It aids in the digestion of proteins. 
C)  It decreases the pH of feces, which are alkaline because of bacterial secretions. 
D)  It aids in the digestion of cellulose. 
A)  It increases the pH of the feces, which are acidic because of bacterial secretions. 
B)  It aids in the digestion of proteins. 
C)  It decreases the pH of feces, which are alkaline because of bacterial secretions. 
D)  It aids in the digestion of cellulose.

Question 17

How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

Accepted Answer

A)  It is all skeletal muscle. 
B)  The superior part is skeletal muscle. 
C)  The inferior part is skeletal muscle. 
D)  It has alternating smooth and skeletal muscle sections. 
A)  It is all skeletal muscle. 
B)  The superior part is skeletal muscle. 
C)  The inferior part is skeletal muscle. 
D)  It has alternating smooth and skeletal muscle sections.

Question 18

Which of the following statements regarding swallowing is true?

Accepted Answer

A)  The voluntary phase begins in the pharynx. 
B)  In the pharyngeal phase, food is moved through the pharynx. 
C)  The uvula rises during the esophageal phase. 
D)  Peristalsis occurs in all phases of swallowing. 
E)  Breathing occurs during swallowing. 
A)  The voluntary phase begins in the pharynx. 
B)  In the pharyngeal phase, food is moved through the pharynx. 
C)  The uvula rises during the esophageal phase. 
D)  Peristalsis occurs in all phases of swallowing. 
E)  Breathing occurs during swallowing.

Question 19

Which disease is caused by the absence of enteric neurons in the distal large intestine?

Accepted Answer

A)  Hirschsprung disease 
B)  Multiple endocrine neoplasia type 2 
C)  Spastic colon 
D)  Gastroenteritis 
A)  Hirschsprung disease 
B)  Multiple endocrine neoplasia type 2 
C)  Spastic colon 
D)  Gastroenteritis

Question 20

Reflux of gastric contents into the esophagus occurs because of

Accepted Answer

A)  relaxation of the cardiac sphincter. 
B)  contraction of the pyloric sphincter. 
C)  spasms of the submucosal layer of the stomach wall. 
D)  increased hydrochloric acid production by the parietal cells. 
E)  increased amounts of mucus produced by the stomach. 
A)  relaxation of the cardiac sphincter. 
B)  contraction of the pyloric sphincter. 
C)  spasms of the submucosal layer of the stomach wall. 
D)  increased hydrochloric acid production by the parietal cells. 
E)  increased amounts of mucus produced by the stomach.

Exam 24: Digestive System

The abdominal cavity is lined with ________.

One of the major functions of the large intestine is to

Which of the following occurs in the large intestine?

The anal canal

The salivary glands located just anterior to the ear are the ________ glands.

Which of the following attaches the liver to the anterior abdominal wall?

Bile is produced by cells of the ________.

Which of the following is NOT part of a portal triad?

Which of the following statements concerning digestion in the stomach is not true?

Food in the stomach is squeezed and mixed with gastric juices, forming a semiliquid called ________.

Nutrient-rich blood from the digestive tract comes to the liver by way of the ________.

If the thoracic duct were tied off, which of the following classes of nutrients would not enter the circulatory system at their normal rate?

LDLs are taken into a cell by the process of ________.

The formation of HCl in the stomach involves the

Intrinsic factor

What is the function of bicarbonate when it is secreted by the large intestine?

How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

Which of the following statements regarding swallowing is true?

Which disease is caused by the absence of enteric neurons in the distal large intestine?

Reflux of gastric contents into the esophagus occurs because of

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters