Anatomy and Physiology II
How much saliva is generally produced each day? Select one:
1 - 1½ L
A man had a gunshot wound in his abdomen. The bullet passed through his anterior body and lodged inside the transverse colon. What layers did the bullet pass through to arrive at the location?(1) parietal peritoneum(2) visceral peritoneum
1, 2, 2, 2
Arrange the following in order from largest to smallest:
2, 4, 1, 3
Arrange the following events in the correct order:(1) absorption of lipids(2) emulsification(3) micelle formation(4) digestion of lipids
2, 4, 3, 1
mucosa of colon
A. contains many mucus-secreting goblet cells.
Feces consist of
All of these are found in feces.
hepatocytes
All of these choices are functions of hepatocytes.
Which of the following is true?
Intestinal epithelial cells absorb more dipeptides and tripeptides than single amino acids.
Salivary gland secretion is primarily controlled by the
Salivary gland secretion is primarily controlled by the
The movement of molecules out of the digestive tract into circulation or the lymphatic system is
absorption.
Which of the following cell types is correctly matched with its function
absorptive cells - produce digestive enzymes
Which of the following is an end product of protein digestion?
amino acids
What is found in an intestinal villus?
blood capillaries and a lacteal
Which of the following would inhibit both gastric secretion and gastric motility?
cholecystokinin (CCK)
Food in the stomach is squeezed and mixed with gastric juices, forming a semiliquid called
chyme.
Which of the following is NOT an accessory organ of the digestive tract?
esophagus
Inflammation of the stomach mucosa in the area superior to the pyloric sphincter is most appropriately referred to as
gastric ulcer.
Which of the following would stimulate gastric secretion
gastrin
The _____________ phase of gastric regulation is initiated when acidic chyme enters the duodenum and stimulates the secretion of hormones and local reflexes that inhibit gastric activity.
gastrointestinal
Inflammation of the gums is called
gingivitis
Insulin increases the rate of _____ transport into cells.
glucose
What portion of the small intestine is most distal from the pylorus of the stomach
ileum
All of the following are muscles of mastication, except the ______________.
lateral pterygoid
Damage to the liver would hamper digestion of
lipids
Secretions that are added as food moves through the GI tract assist in
liquefying and digesting the food
Which of the following is NOT a function of the small intestine
mastication of food
Small droplets of digested lipids surrounded by bile salts are called
micelles.
pyloric pump
moves chyme through a partially closed pyloric opening.
Which layer of the small intestine wall contains cells with microvilli?
mucosa
The major types of enteric neurons include all of the following, except ______________.
neurons that suppress epithelial secretions
What muscle forms the lips?
orbicularis oris muscle
The digestive juice that contains enzymes capable of digesting all major food groups is
pancreatic juice.
Which of the following cell types of the stomach is correctly matched with its function
parietal cells - produce hydrochloric acid
The salivary glands located just anterior to the ear are the
parotid glands
The movement of food through the digestive tract is
propulsion.
Abdominal organs that lie against the body wall and have no mesenteries are said to be
retroperitoneal.
Which of the following is NOT a function of the stomach?
segmental contractions
What is the role of serotonin in the digestive tract?
stimulates motility
Which of the following organs is part of the digestive tract or alimentary canal?
stomach
The network of nerve cells in the submucosa that regulates intestinal secretions is called the ________________.
submucosal plexus
How does the muscularis layer of the esophagus differ from the rest of the digestive tract?
the superior part is skeletal muscle
Monosaccharides
use a symport process in their absorption.
