Unit 13 Questions Flashcards by Kayla Walker

What is the final segment of the small intestine?

a. Pylorus
b. Duodenum
c. Ileum
d. Jejunum

C. Ileum

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At the splenic flexure, the colon becomes the

a. ascending colon
b. descending colon
c. transverse colon
d. sigmoid colon

b. Descending Colon

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The pancreatic juices transported in the main pancreatic duct are destined for?

a. stomach
b. duodenum
c. liver
d. gallbladder

b. Duodenum

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What controls the passage of chyme from the last region of the stomach to the duodenum region of the small intestine?

a. pyloric sphincter
b. ileocecal valve
c. gastroesophageal sphincter
d. lower esophageal sphincter

a. Pyloric Sphincter

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Which of the following is not part of the gastrointestinal (GI) tract?

a. Pancreas
b. Esophagus
c. Stomach
d. Pharnyx

A. Pancreas

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The esophagus empties into the ______ region of the stomach

a. Cardia
b. Fundus
c. Body
d. Pylorus

A. Cardia

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The ____ cells of the stomach produce and secrete hydrochloric acid (HCI)

a. Chief
b. Mucus Neck
c. G
d. Parietal

D. Parietal

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The pattern of slow, rhythmic contractions of the small intestine during fasting is called the ___

a. Defecation reflex
b. Segmentation
c. Enterogastric reflex
d. Migrating motor complex (MMC)

d. Migrating motor complex (MMC)

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The largest folds in the small intestine are the ____

a. Microvilli
b Villi
c. Circular Folds (Plicae Circulares)
d. Haustra

C. Circular Folds (Plicae Circulares)

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Which of the following Sphincters is voluntary?

a. Internal Anal Sphincter
b. External Anal Sphincter
c. Pyloric Sphincter
d. LLeo-Cecal Valve

b. External Anal Sphincter

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The gallbladder releases bile into the ______.

a. Hepatopancreatic Ampulla
b. Common Bile Duct
c. Cystic Duct
d. Common Hepatic Duct

c. Cystic duct

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What structure contains pockets or puckers that are called “haustra?”

a. Pharynx
b. Small Intestine
c. Stomach
d. Large Intestine

D. Large Intestine

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What structure has an inner wall that is thrown in “circular folds?”

a. Small Intestine
b. Mouth
c. Pharynx
d. Large Intestine

A. Small Intestine

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What structure is an extension of the soft palate?

a. Uvula
b. Vermiform Appendix
c. Tongue
d. Pyloric Sphincter

A. Uvula

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Which digestive structure is commonly called the “throat?”

a. Small Intestine
b. Oral Cavity
c. Esophagus
d. Pharynx

D. Pharynx

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Which accessory organ contains numerous filiform papillae?

a. Tongue
b. Liver
c. Salivary Glands
d. Teeth

A. Tongue

Which accessory organ contains cementum?

a. Liver
b. Pancreas
c. Tooth
d. Salivary Gland

C. Tooth

Which tooth is adapted for tearing and piercing?

a. Molar
b. Premolar
c. Canine
d. Incisor

C. Canine

What cell produces bile?

a. Canaliculi
b. Acinar Cell
c. Hepatocyte
d. Chief Cell

C. Hepatocyte

What structure transports bile from the liver to the bile duct?

a. Cystic Duct
b. Hepatopancreatic Duct
c. Accessory Pancreatic Duct
d. Common Hepatic Duct

D. Common Hepatic Duct

Which accessory organ stores bile?

a. Pancreas
b. Gallbladder
c. Salivary Gland
d. Liver

B. Gallbladder

Which accessory organ produces secretions that moisten food?

a. Tongue
b. Pancreas
c. Liver
d. Salivary Gland

D. Salivary Gland

What do goblet cells secrete?

a. Earwax
b. Mucus
c. Sweat
d. Sebum

B. Mucus

Which of the following is an organ of the alimentary canal?

a. Esophagus
b. Spleen
c. Pancreas
d. Liver

A. Esophagus

From deep to superficial, the layers of the organs of the alimentary canal are: 1. Mucosa 2. Muscularis Externa 3. Serosa (adventitia) 4. Submucosa

1, 4, 2, 3

Which of the following tongue papillae do not contain taste buds? a. Filiform b. Foliate c. Fungiform d. Circumvallate

A. Filiform

The most interior division of the pharynx is the _____ a. Laryngopharynx b. Oropharynx c. Larynx d. Nasopharynx

A. Laryngopharynx

What separates the oral cavity from the nasal cavity?

Hard and soft palate

The portion of the tooth that is visible above the gum line is known as the: a. crown. b. cementum. c. pulp. d. root.

A. Crown

The crown of a tooth is covered by?

Enamel

the first sphincter encountered in the alimentary canal is the a. Ileocecal sphincter b. Upper Esophageal Sphincter c. Pyloric Sphincter d. Gastroesophageal Spinchter

B. Upper Esophageal Sphincter

What region of the esophagus is composed of smooth muscle only? a. Middle third of the esophagus b. superior third of the esophagus c. Inferior third of the esophagus d. Entire length of the esophagus

C. Interior third of esophagus

What region of the stomach does food first enter after its passage through the relaxed gastroesophageal sphincter? a. Pylorus b. Body c. Cardia d. Fundus

C. Cardia

Which segment of the small intestine receives chyme from the stomach? a. Ileum b. Jejunum c. Duodenum d. Cecum

C. Duodenum

What is the final segment of the small intestine? a. Duodenum b. Ileum c. Jejunum d. Pylorus

B. Ileum

Which of the following does NOT increase the surface area in the small intestine? a. Villi b. Rugae c. Circular Folds d. Microvilli

B. Rugae

The first portion of the large intestine is the: a. Cecum b. Transverse Colon c. Ascending Colon d. Rectum

A. Cecum

Which of the following does NOT transport bile? a. Accessory Pancreatic Duct b. Common Bile Duct c. Common Hepatic Duct d. Cystic duct

A. Accessory Pancreatic Duct