Question 1

The organ of the alimentary tube that is a reservoir for gradual digestion is the:

Accepted Answer

A) oral cavity 
B) esophagus 
C) stomach 
D) small intestine 
A) oral cavity 
B) esophagus 
C) stomach 
D) small intestine C

Question 2

The liver stores the minerals:

Accepted Answer

A) sodium and potassium 
B) potassium and copper 
C) sodium and iron 
D) iron and copper 
A) sodium and potassium 
B) potassium and copper 
C) sodium and iron 
D) iron and copper D

Question 3

Fats are digested by digestive secretions from the:

Accepted Answer

A) liver and pancreas 
B) pancreas and small intestine 
C) pancreas and stomach 
D) liver,pancreas,and salivary glands 
A) liver and pancreas 
B) pancreas and small intestine 
C) pancreas and stomach 
D) liver,pancreas,and salivary glands A

Question 4

Which statement is NOT true of the structure of the colon?

Accepted Answer

A) The sigmoid colon empties into the anal canal. 
B) The ascending colon turns medially at the liver. 
C) The haustra increase the internal surface area. 
D) The appendix is attached to the cecum. 
A) The sigmoid colon empties into the anal canal. 
B) The ascending colon turns medially at the liver. 
C) The haustra increase the internal surface area. 
D) The appendix is attached to the cecum.

Question 5

Voluntary control of the defecation reflex is provided by the:

Accepted Answer

A) external anal sphincter 
B) internal anal sphincter 
C) spinal cord 
D) rectum 
A) external anal sphincter 
B) internal anal sphincter 
C) spinal cord 
D) rectum

Question 6

The end products of protein digestion are:

Accepted Answer

A) fatty acids 
B) nucleic acids 
C) amino acids 
D) glycerol acids 
A) fatty acids 
B) nucleic acids 
C) amino acids 
D) glycerol acids

Question 7

Backup of food from the small intestine to the stomach is prevented by the:

Accepted Answer

A) cardiac sphincter 
B) gastric sphincter 
C) pyloric sphincter 
D) duodenal valve 
A) cardiac sphincter 
B) gastric sphincter 
C) pyloric sphincter 
D) duodenal valve

Question 8

The normal flora of the colon consists of:

Accepted Answer

A) plants that digest food 
B) fungi that produce minerals 
C) cells of the lining that produce vitamins 
D) bacteria that produce vitamins 
A) plants that digest food 
B) fungi that produce minerals 
C) cells of the lining that produce vitamins 
D) bacteria that produce vitamins

Question 9

The part of the colon into which the small intestine empties is the:

Accepted Answer

A) ascending colon 
B) sigmoid colon 
C) transverse colon 
D) cecum 
A) ascending colon 
B) sigmoid colon 
C) transverse colon 
D) cecum

Question 10

The pancreas is located between the ___ medially and the ___ laterally.

Accepted Answer

A) duodenum/ileum 
B) spleen/jejunum 
C) spleen/ileum 
D) duodenum/spleen 
A) duodenum/ileum 
B) spleen/jejunum 
C) spleen/ileum 
D) duodenum/spleen

Question 11

The ___ produces a bicarbonate juice that neutralizes the HCl from the stomach in the ___.

Accepted Answer

A) liver/pancreas 
B) pancreas/liver 
C) liver/duodenum 
D) pancreas/duodenum 
A) liver/pancreas 
B) pancreas/liver 
C) liver/duodenum 
D) pancreas/duodenum

Question 12

The part of a tooth that contains blood vessels and nerves is the:

Accepted Answer

A) enamel 
B) pulp cavity 
C) periodontal membrane 
D) dentine 
A) enamel 
B) pulp cavity 
C) periodontal membrane 
D) dentine

Question 13

The liver is responsible for excreting ___ into ___.

Accepted Answer

A) excess cholesterol and bilirubin/bile 
B) bilirubin/urine 
C) excess amino acids and bilirubin/bile 
D) excess amino acids/urine 
A) excess cholesterol and bilirubin/bile 
B) bilirubin/urine 
C) excess amino acids and bilirubin/bile 
D) excess amino acids/urine

Question 14

The function of the lower esophageal sphincter is to:

Accepted Answer

A) contract to permit food to enter the stomach 
B) relax to prevent backup of food from the esophagus 
C) relax to prevent backup of food into the esophagus 
D) contract to prevent backup of food into the esophagus 
A) contract to permit food to enter the stomach 
B) relax to prevent backup of food from the esophagus 
C) relax to prevent backup of food into the esophagus 
D) contract to prevent backup of food into the esophagus

Question 15

Which statement is NOT true of the functions of the liver?

Accepted Answer

A) The process of beta-oxidation permits fatty acids to be used for energy production. 
B) Kupffer cells phagocytize bacteria. 
C) Albumin is produced to help maintain blood volume. 
D) Glucose is changed to fructose. 
A) The process of beta-oxidation permits fatty acids to be used for energy production. 
B) Kupffer cells phagocytize bacteria. 
C) Albumin is produced to help maintain blood volume. 
D) Glucose is changed to fructose.

Question 16

The end products of fat digestion are:

Accepted Answer

A) amino acids 
B) fatty acids and glycerol 
C) fatty acids and glucose 
D) monosaccharides 
A) amino acids 
B) fatty acids and glycerol 
C) fatty acids and glucose 
D) monosaccharides

Question 17

The duodenum produces hormones when:

Accepted Answer

A) the duodenum is empty 
B) the pH of digested food is too high 
C) the pH of digested food must be lowered 
D) food enters from the stomach 
A) the duodenum is empty 
B) the pH of digested food is too high 
C) the pH of digested food must be lowered 
D) food enters from the stomach

Question 18

The function of the parietal cells of the gastric mucosa is to secrete:

Accepted Answer

A) pepsinogen 
B) hydrochloric acid 
C) gastrin 
D) mucus 
A) pepsinogen 
B) hydrochloric acid 
C) gastrin 
D) mucus

Question 19

Which statement is NOT true of swallowing?

Accepted Answer

A) The pharynx contracts and propels food into the esophagus. 
B) The tongue pushes the food toward the pharynx. 
C) Peristalsis of the esophagus propels food toward the stomach. 
D) The epiglottis is elevated to cover the nasopharynx. 
A) The pharynx contracts and propels food into the esophagus. 
B) The tongue pushes the food toward the pharynx. 
C) Peristalsis of the esophagus propels food toward the stomach. 
D) The epiglottis is elevated to cover the nasopharynx.

Question 20

In the small intestine,surface area for absorption is increased by all of these except:

Accepted Answer

A) microvilli 
B) plica circulares 
C) villi 
D) capillary networks 
A) microvilli 
B) plica circulares 
C) villi 
D) capillary networks

Exam 17:The Digestive System-Part C

The organ of the alimentary tube that is a reservoir for gradual digestion is the:

The liver stores the minerals:

Fats are digested by digestive secretions from the:

Which statement is NOT true of the structure of the colon?

Voluntary control of the defecation reflex is provided by the:

The end products of protein digestion are:

Backup of food from the small intestine to the stomach is prevented by the:

The normal flora of the colon consists of:

The part of the colon into which the small intestine empties is the:

The pancreas is located between the ___ medially and the ___ laterally.

The ___ produces a bicarbonate juice that neutralizes the HCl from the stomach in the ___.

The part of a tooth that contains blood vessels and nerves is the:

The liver is responsible for excreting ___ into ___.

The function of the lower esophageal sphincter is to:

Which statement is NOT true of the functions of the liver?

The end products of fat digestion are:

The duodenum produces hormones when:

The function of the parietal cells of the gastric mucosa is to secrete:

Which statement is NOT true of swallowing?

In the small intestine,surface area for absorption is increased by all of these except:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C

The pancreas is located between the _ medially and the _ laterally.

The _ produces a bicarbonate juice that neutralizes the HCl from the stomach in the _.

The liver is responsible for excreting _ into _.