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BIO 160- LECTURE EXAM 3 (Digestive System)
Quiz questions
77
Anatomy
Undergraduate 3
04/15/2014

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Cards

Term
During mastication, the tongue is limited in its movement by its attachment to the what?
Definition
lingual frenulum
Term
Of the three phases of swallowing, only the esophageal phase is involuntary.
Definition
False
Term
What structures comprise a portal triad?
Definition
Branches of the hepatic artery, hepatic portal vein, and hepatic duct
Term
Which is not correct regarding bile?
Definition
Bile is produced by Kupffer cells
Term
The esophagus
Definition
contains both smooth and skeletal muscle fibers.
Term
Which is not correct regarding teeth?
Definition
The central portion of a tooth is the sinus cavity
Term
Which layer(s) of the wall of the GI tract contain the myenteric plexus?
Definition
Muscularis
Term
Which is not correct regarding saliva?
Definition
Its pH is slightly alkaline
Term
Villi
Definition
all choices are correct. (WRONG)

Are found throughout the GI tract (WRONG)
Term
Which duct transports bile to and from the gallbladder?
Definition
Cystic duct
Term
Picture

This figure shows the stomach. Which is not correct regarding the structures indicated by number 5?
Definition
The structures are called gastric folds (WRONG)
Term
Which organ is not part of the gastrointestinal tract?
Definition
Liver
Term
This figure shows an intestinal villus. The structure indicated by number 1 is a(n)
Definition
Lacteal
Term
Which structure does not serve to increase surface area in the small intestine?
Definition
Rugae
Term
This figure shows an intestinal villus. The invagination indicated by number 2 is a(n)
Definition
intestinal gland.
Term
Stenosis (constriction) of the hepatopancreatic ampulla would interfere with
Definition
the transport of bile and pancreatic juice.
Term
Pancreatic juice is secreted by the exocrine pancreatic acini.
Definition
True
Term
Digestion of carbohydrates begins in the
Definition
oral cavity
Term
Lacteals
Definition
absorb the products of fat digestion.
Term
The accumulation of large amounts of adipose tissue in the __________ can form what is commonly called a "beer belly".
Definition
greater omentum
Term
Which is not a fold of peritoneum that forms a mesentery?
Definition
Intraperitoneal ligament
Term
What type of epithelium lines the majority of the oral cavity?
Definition
Nonkeratinized stratified squamous
Term
Which is not a function of the liver?
Definition
No exceptions; all choices are functions of the liver
Term
The cystic duct and common bile duct unite to form the common hepatic duct.
Definition
False
Term
What is mastication?
Definition
Chewing and mixing food with saliva
Term
The submandibular ducts open into the floor of the oral cavity, lateral to the lingual frenulum.
Definition
True
Term
The vermiform appendix
Definition
contains lymphatic nodules.
Term
Which of the pharyngeal regions serve as part of the digestive passageway?
Definition
Oropharynx and laryngopharynx
Term
Where are the transverse palatine folds located?
Definition
Hard palate
Term
The term "canines" describes the teeth that
Definition
are lateral to the incisors, used for puncturing and tearing.
Term
For the majority of the GI tract, which layer(s) of the wall contain smooth muscle?
Definition
Mucosa and muscularis
Term
Which is not found in the wall of the large intestine?
Definition
Villi
Term
Protein digestion begins in the ________; fat digestion begins in the ________.
Definition
stomach, small intestine
Term
Which bones form the hard palate?
Definition
Palatine bones and maxillae
Term
Which peritoneal fold supports the large intestine?
Definition
Mesocolon
Term
Sympathetic innervation of the digestive system
Definition
stimulates peristalsis. (WRONG)
Term
Of the 5 types of secretory cells in the gastric glands, which ones secrete pepsinogen?
Definition
Chief cells
Term
What is the primary function of the large intestine?
Definition
Water and electrolyte absorption
Term
Which salivary gland empties into the oral vestibule at the level of the second upper molar?
Definition
PArotid
Term
Which is not correct regarding the stomach?
Definition
Its funnel-shaped terminal portion is called the fundus
Term
The gastrocolic reflex
Definition
all choices are correct.
Term
What material is transported in the sinusoids of the liver?
Definition
Mixed arterial and venous blood
Term
Which is not a function of the digestive system?
Definition
Micturition
Term
The opening from the oral cavity to the oropharynx is the
Definition
fauces
Term
The gallbladder
Definition
stores and concentrates bile.
Term
The stomach
Definition
is the site of all mechanical digestion.
(WRONG)
Term
Why are there so many phagocytic cells (in lymph nodes and the liver, for example) associated with the digestive system?
Definition
They remove bacteria and other foreign material ingested with food
Term
Churning and mixing movements called segmentation take place only in the
Definition
small intestine
Term
Peristalsis
Definition
is a wave of muscular contraction.
Term
What is the correct order for the list of structures of the large intestine, starting at the cecum and ending at the rectum?

a: Left colic flexure
b: Ascending colon
c: Transverse colon
d: Right colic flexure
e: Sigmoid colon
f: Descending colon
Definition
b, d, c, a, f, e
Term
Which salivary glands produce the largest volume of saliva?
Definition
Submandibular
Term
Which does not supply blood to the GI tract?
Definition
Hepatic artery
Term
The small intestine is so named because it is shorter than the large intestine.
Definition
False
Term
During swallowing, elevation of the uvula and soft palate prevents food or fluid from entering the nasopharynx.
Definition
True
Term
Which region of the digestive tract moves material by peristalsis, haustral churning, and mass movement?
Definition
Large intestine
Term
The central cavity of a tooth is filled with
Definition
pulp
Term
The stomach region known as the cardia
Definition
surrounds the lower esophageal sphincter.
Term
The initial site of both mechanical and chemical digestion is the
Definition
stomach (WRONG)
Term
The pharynx serves as a common passageway for the digestive and respiratory tracts, and is lined with a keratinized epithelium to protect against abrasion.
Definition
False
Term
Late one night, while studying for your anatomy class, you open a box of saltine crackers to do a little snacking. After chewing on a starchy morsel for a few minutes, you begin to notice a sweet taste in your mouth. What accounts for this?
Definition
Salivary amylase activity
Term
The projections on the superior surface of the tongue, some of which house taste buds, are the
Definition
papillae
Term
The gastroenterologist has just determined that you have a blockage in your jejunum and he will have to perform surgery, making a small incision in the wall to remove the obstruction. What tunic in the jejunum will be cut first?
Definition
Serosa
Term
Which layer of the wall in the GI tract could be described as a dense irregular connective tissue layer that contains nerves, blood vessels, and lymphatic vessels?
Definition
Submucosa
Term
The initial site of both mechanical and chemical digestion is the
Definition
oral cavity.
Term
Which is not correct about the esophagus?
Definition
It is located posterior to the trachea
(WRONG)
Term
Which is not a lobe of the liver?
Definition
Round lobe
Term
The correct order for the layers of the GI tract wall, from innermost (next to lumen) to outermost is
Definition
Mucosa - submucosa - muscularis - adventitia/serosa
Term
Which is a change in the digestive system associated with aging?
Definition
All choices are correct
Term
Which peritoneal fold attaches the liver to the anterior internal body wall?
Definition
Falciform ligament
Term
Stenosis (constriction) of the pyloric sphincter would interfere with
Definition
passage of chyme into the duodenum.
Term
Which structure does not serve to increase surface area in the small intestine?
Definition
Rugae
Term
The quadrate lobe is visible on the inferior surface of the liver, adjacent to the gallbladder.
Definition
True
Term
Which is not considered to be an accessory digestive organ?
Definition
Tongue
(WRONG)
Term
Manufacturers of some medications used to treat heartburn advertise that their products shut down the acid-producing pumps in the stomach. Where are these "acid-producing pumps"? In other words, which type of gastric gland cell secretes acid?
Definition
Mucous neck cells
(WRONG)
Term
This figure shows the stomach. Which is not correct regarding the structures indicated by number 5?
Definition
The structures are called rugae
(WRONG)
Term
The Peyer patches in the wall of the small intestine are
Definition
nodules of lymphatic tissue.
Term
Which of the following is the correct order of small intestine regions that food passes through during digestion?
Definition
Duodenum - jejunum - ileum
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