A&P Digestive System

An obstruction by a gallstone is least likely to occur in the ______.

Which organ of the digestive tract is the body's major digestive organ?

Which digestive process does NOT occur in the mouth?

Which of the following is NOT a means of mechanically breaking down food?

Which major process involves the removal of water from intestinal contents?

Where does the process of segmentation occur?

How would you classify chewing food?

In a patient suffering from untreated infection-induced peritonitis, an infection in the visceral peritoneum immediately ______.

Which layer of the digestive tract contains the effectors for digestive propulsion?

Which of the following structural elements is common to both cardiac and smooth muscle?

The __________ is the serous membrane that covers most digestive organs.

The __________ circulation collects nutrient-rich venous blood draining from the digestive viscera.

From the esophagus to the anus, the walls of the alimentary canal have the same four basic tunics. The __________ is the outermost layer of the walls of the intraperitoneal organs.

Part complete Peritoneal organs are completely covered in a serous membrane and have a dorsal and ventral mesentery.

Which layer of the alimentary canal is constructed from either stratified squamous or simple columnar epithelium?

Which layer of the alimentary canal is responsible for segmentation and peristalsis?

Which layer of the alimentary canal contains not only glands and blood vessels but also a nerve plexus that helps regulate digestive activity?

Which of the following does NOT correctly describe basic regulation of digestive activity?

Hyposalivation can be treated with a drug that ______.

A person with ankyloglossia may have difficulty pronouncing the word ______.

Hyposalivation can be treated with a drug that ______.

Impacted wisdom teeth is a problem that is never observed in children because ______.

Part complete The deciduous dentition consists of __________ teeth.

What is the benefit of having tonsils at the oral entry to the pharynx?

What muscle forms the labia of the mouth and controls most lip movement, including puckering?

The palatine tonsils are located between which two structures?

The uvula is an extension of the __________.

Which of the following is NOT a function of saliva?

Which of the following inhibits salivation?

Where do the ducts of the submandibular salivary glands empty into the oral cavity?

How many total permanent teeth should an adult have, assuming none have been lost or removed?

How are wisdom teeth (third molars) classified?

Which teeth in the permanent dentition are best suited for cutting or nipping off pieces of food?

Which of the following is NOT true of deciduous teeth?

What event triggers the opening of the gastroesophageal sphincter?

Before and during vomiting, the emetic center initiates motor responses that involve ______.

Gastric juice does not typically cause a burning sensation within the stomach. But reflux of gastric juice into the esophagus can cause a burning sensation. One reason for the burning sensation caused by the gastric reflux is that the esophagus ______.

Which of the following is produced in the stomach and contributes directly to the absorption of vitamin B12?

Which of the following is the major process or function that occurs in the stomach?

Which of the following is NOT a characteristic of the stomach?

The __________ phase of gastric secretion begins as chyme enters the duodenum.

Chief cells secrete inactive pepsinogen in order to prevent acid erosion inside of the chief cells.

Distension of the duodenum triggers the release of enterogastrones, a group of hormones secreted from the duodenal mucosa that inhibit gastric emptying and secretion.

Which layer of the stomach contains the gastric pits that secrete mucous, acid, and digestive enzymes?

Which of these structures is found in the stomach but nowhere else in the alimentary canal?

Which area of the stomach directly adjoins the small intestine?

An obstruction by a gallstone is least likely to occur in the ______.

Which of the following is not a secretion of the pancreas?

Bile is secreted by the __________ under hormonal influence of __________.

Part complete Pancreatic juice does NOT contain __________.

Which of the following constitute a portal triad?

Which of the following best describes the capillary wall structure found in the liver lobules?

Which vessel delivers nutrient-rich blood to the liver from the digestive tract?

Which chemical activates the transformation of trypsinogen to trypsin?

What is a major function of pancreatic juice?

Which of these enzymes is NOT produced in the pancreas?

Which other organ can affect small-intestine motility?

Which of the following is NOT a structural modification of the small intestine that increases surface area?

Most absorption of nutrients occurs in the __________.

The __________ is the first segment of the small intestine.

What structural modification of the small intestine slows the movement of chyme through the lumen?

Which cells in the small intestine's mucosa secrete mucus?

Which of these best describes a lacteal?

The formation of diverticula involves, most significantly, the ______.

An effective way to medically treat diarrhea would be to use a drug that ______.

When a baby ingests breast milk, the milk's IgA antibodies may be absorbed into the baby's bloodstream because ______.

Cancer treatments such as chemotherapy target rapidly dividing, cancerous cells, but can also destroy noncancerous cells with a rapid rate of mitosis. Which small intestinal features are LEAST likely to be damaged by chemotherapy?

The mucosa of the appendix contains masses of lymphoid tissue (MALT) and therefore leukocytes capable of attacking bacteria are present in the appendix. During appendicitis, bacteria trapped in the lumen of the appendix are not effectively attacked because ______.

The human GI tract is home to a complex ecosystem of over 100 trillion microbial cells, which comprise the gut microbiota. Which of the following is true of the microbiota?

An effective way to medically treat diarrhea would be to use a drug that ______.

When a baby ingests breast milk, the milk's IgA antibodies may be absorbed into the baby's bloodstream because ______.

Which of the following is not an important contribution of the bacterial microbiota found in the large intestine?

Which of the following is NOT a function of the large intestine?

__________ can result if food passes too slowly through the large intestine.

When the diet lacks fiber and the volume of residues in the colon is small, the colon narrows and its contractions become more powerful, increasing the pressure on its walls. This promotes formation of __________.

Bacteria that reside in the large intestine make vitamin C.

Which of the following propels food residue over large areas of the colon three to four times a day?

As wastes navigate the large intestine, which features do they pass through, in order?

Which of the following is the primary physiological function of the large intestine?

Which enzyme(s) is/are responsible for the chemical breakdown of carbohydrates?

In what form do fats first enter the bloodstream?

Carbohydrates are digested into __________.

The end products of protein digestion are transported across the apical membranes of enterocytes by __________.

Which of the following are NOT correctly matched?