Deck 14: Digestive System

Question 1

Longitudinal folds in the wall of the stomach that allow the stomach to expand are known as

A) Rugae
B) Villi
C) Fundus
D) Striations

Answer 1

Rugae

Question 2

Which of the following makes up the digestive tract?

A) Mouth and pharynx
B) Esophagus
C) Stomach
D) Intestines
E) All of the above

Answer 2

All of the above

Question 3

Which of the following is NOT a function of saliva?

A) Cleanses the teeth
B) Moistens the food
C) Lubricates the food
D) Begins the chemical digestions of proteins

Answer 3

Begins the chemical digestions of proteins

Question 4

Which salivary glands are located on each side of the head, just in front of the ears?

A) Palatine
B) Parotid
C) Submandibular
D) Sublingual

Question 5

Which of the following is NOT a function of the tongue?

A) Mixes food with saliva
B) Shapes food into a bolus
C) Directs food toward the pharynx
D) Secretes digestive enzymes

Question 6

The taking in of food is known as

A) Inhalation
B) Mastication
C) Deglutition
D) Ingestion

Question 7

What is the term for the rhythmic waves of contractions that propel food particles through the digestive tract?

A) Peristalsis
B) Reflexes
C) Spasms
D) Cramps

Question 8

What is the total number of secondary teeth?

A) 10
B) 16
C) 32
D) 40

Question 9

Which of the following teeth have sharp edges that are used for biting food?

A) Incisors
B) Bicuspids
C) Cuspids
D) Molars

Question 10

Which of the following provides a passageway for food between the pharynx and stomach?

A) Larynx
B) Trachea
C) Esophagus
D) Oropharynx

Question 11

Which of the following opens into both the esophagus and larynx?

A) Nasopharynx
B) Laryngopharynx
C) Oropharynx
D) Fauces

Question 12

Which of the following is NOT an accessory organ of the digestive system?

A) Tongue
B) Salivary glands
C) Kidneys
D) Pancreas

Question 13

Which of the following aids in the absorption of vitamin B₁₂ from the digestive tract?

A) Mucus
B) Hydrochloric acid
C) Intrinsic factor
D) Pepsinogen
E) All of the above

Question 14

The digestive tract is also known as the

A) Alimentary cavity
B) Peritoneum
C) Gastrointestinal tract
D) Mysentery

Question 15

What is the innermost layer of the digestive tract?

A) Muscularis
B) Mucosa
C) Submucosa
D) Serosa

Question 16

Which of the following directs food away from the nasal cavity and into the oropharynx during swallowing?

A) Teeth
B) Hard palate and uvula
C) Lingual tonsils
D) Soft palate and uvula

Question 17

What is the function of the sensory receptors located in the lips?

A) To judge the temperature and texture of foods
B) To detect the taste of the food
C) To assist in swallowing
D) To assist in speech

Question 18

Food is broken down into smaller particles through the mixing actions of the stomach through a process known as

A) Hydrolysis
B) Mechanical digestion
C) Chemical digestion
D) Defecation

Question 19

Which of the following connects the tongue anteriorly to the floor of the mouth?

A) Papillae
B) Lingual frenulum
C) Buccinator muscle
D) Salivary glands

Question 20

Which of the following acts as a valve between the stomach and small intestine?

A) Cardiac sphincter
B) Pyloric sphincter
C) Esophageal sphincter
D) Fauces

Question 21

What is the function of the gallbladder?

A) Stores bile
B) Secretes bile
C) Stores hemoglobin
D) Breaks down fat

Question 22

How long does it take the stomach to empty after eating a meal?

A) 1 hour
B) 4 hours
C) 8 hours
D) 12 hours

Question 23

What causes contraction of the gallbladder?

A) Cholecystokinin
B) Gastrin
C) Presence of fat in the stomach
D) Secretin

Question 24

What is the name of the S-shaped portion of the colon?

A) Ascending colon
B) Descending colon
C) Sigmoid colon
D) Transverse colon

Question 25

What is the name of the valve located between the small intestine and large intestine?

A) Ileocecal valve
B) Cardiac valve
C) Pyloric valve
D) Mitral valve

Question 26

Which of the following is a waste product that results from the breakdown of hemoglobin?

A) Urea
B) Fatty acids
C) Bilirubin
D) Triglycerides
E) All of the above

Question 27

MATCHING

Apical foramen

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 28

Which of the following cells located in the liver remove bacteria, damaged red blood cells, and other particles from the blood?

A) Macrophages
B) Goblet cells
C) Kupffer cells
D) Alpha cells

Question 29

Which of the following are stored in the liver?

A) Vitamin K
B) Iron
C) Glycogen
D) Vitamin A
E) All of the above

Question 30

The appendix is attached to the

A) Stomach
B) Duodenum
C) Cecum
D) Rectum

Question 31

What is the end product of protein digestion?

A) Glucose
B) Fatty acids
C) Fructose
D) Amino acids

Question 32

What are hepatocytes?

A) Liver cells
B) Pancreatic cells
C) Kidney cells
D) Gallbladder cells

Question 33

What is the function of the large intestine?

A) Production of digestive enzymes
B) Elimination of waste products
C) Absorption of nutrients
D) Breakdown of food molecules

Question 34

What is the function of gastrin?

A) Increases the activity of the gastric glands
B) Decreases gastric secretions
C) Decreases peristalsis
D) Prevents excess chyme from entering the small intestine

Question 35

What is the first part of the small intestine?

A) Sigmoid colon
B) Ileum
C) Duodenum
D) Jejunum

Question 36

Which of the following emulsifies fat into small fat droplets?

A) Amylase
B) Cholesterol
C) Lipase
D) Bile salts

Question 37

What is the name of the semifluid that results when food is broken down in the stomach?

A) Saliva
B) Bile
C) Chyme
D) Mucus

Question 38

What causes the release of gastric juice during the gastric phase of digestion?

A) Thinking about food
B) Smelling food
C) Presence of food in the stomach
D) Passage of chyme through the pyloric sphincter

Question 39

Which of the following increases the surface area for absorption in the small intestine?

A) Plicae circularis
B) Villi
C) Microvilli
D) All of the above

Question 40

Which of the following begins the chemical digestion of protein?

A) Pepsinogen
B) Amylase
C) Gastrin
D) Pepsin

Question 41

MATCHING

Periodontal ligaments

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 42

MATCHING

Dentin

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 43

MATCHING

Root canal

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 44

MATCHING

Pulp cavity

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 45

MATCHING

Pulp

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 46

MATCHING

Crown

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 47

MATCHING

Cementum

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 48

MATCHING

Neck

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 49

MATCHING

Root

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth

Question 50

MATCHING

Enamel

A)Visible portion of the tooth
B)Portion of the tooth embedded in the sockets of the mandible and maxilla
C)Small region in which the crown and root meet
D)Central core of the tooth
E)Consists of connective tissue, blood vessels, and nerves, and is located in the pulp cavity
F)The pulp cavity that is located in the root of the tooth
G)Opening in the root for nerves and blood vessels
H)Surrounds pulp cavity and forms the bulk of the tooth
I)Connective tissue that surrounds the dentin in the root
J)Firmly anchors the root in the socket
K)Surrounds the dentin in the crown of the tooth