Alexandra Bozan
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Study Guide: Upper Digestive Tract

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Alexandra Bozan
Created by Alexandra Bozan about 8 years ago
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Study Guide: Upper Digestive Tract

Question 1 of 32

1

The serosa is actually

Select one of the following:

  • parietal peritoneum

  • visceral peritoneum

  • mesentery

  • none of the above

Explanation

Question 2 of 32

1

Gastrointestinal tract and alimentary canal are often used synonymously

Select one of the following:

  • True
  • False

Explanation

Question 3 of 32

1

The tissue layers of the GI tract are constant, with no variation in the different organs

Select one of the following:

  • True
  • False

Explanation

Question 4 of 32

1

Select from the dropdown lists to complete the text.

mouth: ( GI Tract segment, accessory organ )
jejunum: ( GI Tract segment, accessory organ )
cecum: ( GI Tract segment, accessory organ )
pancreas: ( accessory organ, GI Tract segment )
teeth: ( accessory organ, GI Tract segment )
liver: ( accessory organ, GI Tract segment )
salivary glands: ( accessory organ, GI Tract segment )
vermiform appendix: ( accessory organ, GI Tract segment )
oropharynx: ( GI Tract segment, accessory organ )
sigmoid colon: ( GI Tract segment, accessory organ )

Explanation

Question 5 of 32

1

Which of the following is an accurate description of salivary glands?

Select one of the following:

  • a. there are four pairs of salivary glands

  • b. they secrete about 1 liter of saliva per day

  • c. they are associated with buccal glands, which secrete about 50% of the saliva

  • d. both b and c are true

Explanation

Question 6 of 32

1

The crown of a tooth is covered with

Select one of the following:

  • dentin

  • cementum

  • enamel

  • alveolar bone

Explanation

Question 7 of 32

1

Teeth that do not appear as deciduous teeth are

Select one of the following:

  • incisors

  • canines

  • second molars

  • premolars

Explanation

Question 8 of 32

1

Select from the dropdown list to complete the text.

The act of swallowing moves a mass of food called a ( bolus, dentin, fauces, philtrum ) from the mouth to the stomach.

Explanation

Question 9 of 32

1

The typical tooth can be divided into three main parts: crown, neck and root

Select one of the following:

  • True
  • False

Explanation

Question 10 of 32

1

The philtrum is a fold of mucous membrane that helps anchor the tongue to the floor of the mouth

Select one of the following:

  • True
  • False

Explanation

Question 11 of 32

1

There are 20 deciduous teeth and 30 permanent teeth

Select one of the following:

  • True
  • False

Explanation

Question 12 of 32

1

The soft palate forms a partition between the mouth and oropharynx

Select one of the following:

  • True
  • False

Explanation

Question 13 of 32

1

Which of the following statements is not true of the esophagus

Select one of the following:

  • it extends from the pharynx to the stomach

  • it lies anterior to the trachea and posterior to the heart

  • it resides in both the thoracic and abdominal cavities

  • it pierces the diaphragm

Explanation

Question 14 of 32

1

Which of the following controls the opening of the stomach into the small intestine?

Select one of the following:

  • pylorus

  • cardiac sphincter

  • duodenal bulb

  • pyloric sphincter

Explanation

Question 15 of 32

1

Which of the layers of the muscularis is present only in the stomach?

Select one of the following:

  • longitudinal muscle layer

  • circular muscle layer

  • oblique muscle layer

  • horizontal muscle layer

Explanation

Question 16 of 32

1

The folds in the lining of the stomach are called rugae.

Select one of the following:

  • True
  • False

Explanation

Question 17 of 32

1

The cardiac sphincter controls the opening of the esophagus into the stomach

Select one of the following:

  • True
  • False

Explanation

Question 18 of 32

1

Parietal cells secrete hydrochloric acid and are thought to product intrinsic factor

Select one of the following:

  • True
  • False

Explanation

Question 19 of 32

1

The first baby tooth on average appears at age

Select one of the following:

  • 2 months

  • 1 year

  • 1 month

  • 6 months

Explanation

Question 20 of 32

1

Select from the dropdown list to complete the text.

The dentin of the the tooth contains the ( pulp cavity, neck, root, crown ), which consists of connective tissue, blood and lymphatic vessels, and nerves.

Explanation

Question 21 of 32

1

Which of the following teeth is missing from the deciduous arch?

Select one of the following:

  • central incisor

  • canine

  • second premolar

  • first molar

Explanation

Question 22 of 32

1

The third molars generally erupt around the age of

Select one of the following:

  • 9

  • 10

  • 12

  • 17

Explanation

Question 23 of 32

1

Select from the dropdown list to complete the text.

The ducts of the ( sublingual, submandibular, paratoid, carotic ) glands open into the floor of the mouth.

Explanation

Question 24 of 32

1

The stomach

Select one of the following:

  • is lined with villi

  • lies in a vertical position of the left side of the abdomen

  • secretes intrinsic factor

  • serves as a breeding ground for nonpathogenic bacteria

Explanation

Question 25 of 32

1

Another name for the third molar is

Select one of the following:

  • central incisor

  • wisdom tooth

  • canine

  • lateral incisor

Explanation

Question 26 of 32

1

After food has been chewed, it is formed into a small rounded mass called a

Select one of the following:

  • moat

  • chyme

  • bolus

  • protease

Explanation

Question 27 of 32

1

Following mastication, deglutition occurs

Select one of the following:

  • True
  • False

Explanation

Question 28 of 32

1

The oral cavity is also known as the buccal cavity

Select one of the following:

  • True
  • False

Explanation

Question 29 of 32

1

The esophagus is voluntary in the upper third, mixed in the middle, and involuntary in the lower third

Select one of the following:

  • True
  • False

Explanation

Question 30 of 32

1

The upper lip is marked near the midline by a shallow vertical groove called the philtrum

Select one of the following:

  • True
  • False

Explanation

Question 31 of 32

1

The complete process of altering the physical and chemical composition of ingested food material so that it can be absorbed and used by the body is called digestion.

Select one of the following:

  • True
  • False

Explanation

Question 32 of 32

1

The fundus, pylorus, and plicae are the three main divisions of the stomach.

Select one of the following:

  • True
  • False

Explanation

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