Anatomy and Physiology II

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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.


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