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Anatomy > Connect Ch. 24 > Flashcards

Connect Ch. 24 Flashcards

1
Q

Which of the following is not an accessory organs of the digestive system?

Tongue

Liver

Pancreas

Salivary glands

Spleen

A

Spleen

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2
Q

The tissue layer between the muscularis mucosae and muscularis externa of the digestive tract is the __________.

mucosa

lamina propria

submucosa

serosa

adventitia

A

submucosa

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3
Q

Involuntary muscle contractions that move contents through the gastrointestinal tract are called __________.

mastication

peristalsis

defecation

chyme

A

peristalsis

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4
Q

Hydrochloric acid is secreted in the __________.

esophagus

stomach

small intestine

large intestine

A

stomach

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5
Q

Most nutrient absorption occurs in the __________.

esophagus

stomach

small intestine

large intestine

A

small intestine

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6
Q

Which of the following organs produces bile?

Liver
Small intestine
Pancreas
Stomach
Gallbladder

A

Liver

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7
Q

Which of the following lists puts the major organs of the gastrointestinal tract in the correct order regarding the direction that digestive contents are moved?

Esophagus, stomach, large intestine, small intestine, mouth

Mouth, stomach, esophagus, large intestine, small intestine

Mouth, small intestine, stomach, esophagus, large intestine

Mouth, esophagus, stomach, small intestine, large intestine

A

Mouth, esophagus, stomach, small intestine, large intestine

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8
Q

Which of the following tissue types contributes to the mucosa of the esophagus?

Nonkeratinized stratified squamous epithelium

Simple squamous epithelium

Stratified columnar epithelium

Simple columnar epithelium

Keratinized stratified squamous epithelium

A

Nonkeratinized stratified squamous epithelium

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9
Q

The fundus of the stomach is the _________.

domed superior portion

large main portion

narrow ending portion

portion adjacent to the distal portion of the lesser curvature

A

domed superior portion

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10
Q

With increasing age, the gastric mucosa secretes less __________ which then reduces the absorption of calcium, iron, zinc, and folic acid.

acid
intrinsic factor
secretin
gastrin

A

acid

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11
Q

Which flexure is found between the ascending and transverse colon?

Right colic
Left colic
Splenic
Pancreatic

A

Right colic

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12
Q

Bile canaliculi are located __________.

between plates of hepatocytes in lobules
within hepatic triads between lobules
draining the liver to form bile ducts
draining the gall bladder

A

between plates of hepatocytes in lobules

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13
Q

What is the duct segment formed when the bile duct and pancreatic duct merge?

Hepatopancreatic ampulla
Duodenal ampulla
Hepatocystic duct
Panhepatic duct

A

Hepatopancreatic ampulla

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14
Q

Which of the following is not an accessory organ of digestion?

Salivary glands
Liver
Tongue
Spleen
Pancreas

A

Spleen

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15
Q

Which of the following is a serous membrane that extends from the lesser curvature of the stomach to the liver?

Falciform ligament

Mesentery

Lesser omentum

Greater omentum

Mesocolon

A

Lesser omentum

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16
Q

Which of the following is responsible for peristalsis?

Mesothelium
Muscularis mucosae
Muscularis externa
Pharyngeal constrictors
Gastric rugae

A

Muscularis externa

17
Q

Which of the following is not found in saliva?

Lysosyme
Water
Pepsinogen
Mucus
Amylase

A

Pepsinogen

18
Q

Which of the following tissues lines the oral cavity?

Simple squamous epithelium
Simple columnar epithelium
Ciliated pseudostratified columnar epithelium
Stratified squamous epithelium
Simple cuboidal epithelium

A

Stratified squamous epithelium

19
Q

Why can one say that chemical digestion begins in the mouth?

The saliva contains mucus.

The teeth grind food to expose surface area for enzymatic action.

The saliva contains amylase and lipase.

The saliva contains lysozyme.

The saliva contains electrolytes.

A

The saliva contains amylase and lipase.

20
Q

Which of the following cells secrete gastrin?

Chief cells
Mucous cells
Parietal cells
Enteroendocrine cells
Regenerative cells

A

Enteroendocrine cells

21
Q

Which of the following is a function of the stomach?

It churns food into a paste by mechanical means.

It digests lipids.

Most chemical digestion takes place in the stomach.

It absorbs most of the nutrients in food.

It stores food in the form of fat.

A

It churns food into a paste by mechanical means.

22
Q

Which of the following regulates the flow of contents from the stomach to the duodenum?

Ileal papilla

Pyloric sphincter

Cardiac sphincter

Gastric rugae

Esophageal sphincter

A

Pyloric sphincter

23
Q

Which of the following nutrients is absorbed by the lacteals of the small intestine?

Triglycerides
Water-soluble vitamins
Amino acids
Glucose
Minerals

A

Triglycerides

24
Q

Which of the following does not contribute to the large surface area available for nutrient absorption in the small intestine?

Rugae

Villi

Microvilli

Intestinal length

Circular folds

A

Rugae

25
Q

Which of the following statements about the duodenum is not true?

It receives chyme from the stomach.
It contains a brush border.
It is longer than the jejunum.
It receives secretions from the pancreas.
It receives bile from the liver.

A

It is longer than the jejunum.

26
Q

Comparing the small and large intestines, which of the following is not true?

Intestinal crypts are only in the small intestine.

The large intestine has more goblet cells.

The small intestine has more surface area.

The large intestine is shorter in length.

A

Intestinal crypts are only in the small intestine.

27
Q

Where is most of the water that passes through the digestive tract reabsorbed?

Liver

Colon

Cecum

Ileum

Rectum

A

Colon

28
Q

A patient with cirrhosis of the liver would likely have a difficult time digesting which macromolecules?

Proteins

Nucleic acids

Carbohydrates

Lipids

A

Lipids

29
Q

If bile secretion was inhibited, which of the following would be affected?

Glucose absorption
Cholesterol production
Fat digestion
Protein digestion
Starch digestion

A

Fat digestion

30
Q

What are the starch-digesting enzymes in the saliva and pancreatic juice called?

Lysosymes

Peptidases

Amylases

Lipases

Nucleases

A

Amylases

31
Q

Which blood vessel supplies structures derived from the embryonic foregut?

The celiac trunk
The inferior mesenteric artery
The superior mesenteric artery
The thoracic arteries
The hepatic portal vein

A

The celiac trunk

32
Q

Which embryonic layer gives rise to the lamina propria and muscularis externa?

Ectoderm
Mesoderm
Neural crest
Gastric tube
Endoderm

A

Mesoderm

33
Q

What are the three embryonic divisions of the digestive system?

Stomach, small intestine, large intestine
Stomach, liver, small intestine
Foregut, midgut, hindgut
Ectoderm, endoderm, mesoderm
Coelom, dorsal cavity, ventral cavity

A

Foregut, midgut, hindgut

Anatomy (37 decks)

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