Mastering A And P

Which of the following is NOT considered to be one of the four basic functions of the digestive system?
Which of the following is NOT considered to be one of the four basic functions of the digestive system?
| decreasing the size of food molecules |
| acid-base balance |
| matching fluid input with output |
| repelling foreign invaders |

The four processes of the digestivesystem include digestion, absorption, secretion, and which other function?
The four processes of the digestive system include digestion, absorption, secretion, and which other function?
| motility |
| reabsorption |
| taste |
| identification |

Mucus functions in
Mucus functions in
| enzyme activation only. |
| protection, lubrication, and enzyme activation. |
|protection and lubrication. |
| protection only. |
| lubrication only. |

In the body, 80% of all lymphocytes, a type of immune system cell, are thought to be present in the
In the body, 80% of all lymphocytes, a type of immune system cell, are thought to be present in the
| stomach. |
| large intestine. |
| small intestine. |
| mouth. |
| appendix. |

The largestcollection of ________ in the body is the gut-associated lymphoid tissue (GALT).
The largest collection of ________ in the body is the gut-associated lymphoid tissue (GALT).
| lymphoid tissue |
| glands |
| enzymes |
| capillaries |

What makes the anatomy of the stomach wall unique compared to the other parts of the digestive system?
What makes the anatomy of the stomach wallunique compared to the other parts of the digestive system?
| It has folds in its mucosa. |
| It contains lymph vessels. |
| It has three layers of smooth muscle. |
| It has nerve plexuses that allow for the regulation of muscle contraction. |

What is the outer layer of the gut wall called?
What is the outer layer of the gut wall called?
| muscularis externa |
| submucosa || the myenteric plexus |
| serosa |

What is the "migrating motor complex"?
What is the "migrating motor complex"?
| movement, or migration, of food from the mouth into the stomach |
| alternating patterns of electrical activity that stimulate the longitudinal then the circular layer of smooth muscle throughout the GI tract |
| shift of smooth muscle cells from the circularto the oblique layer in the stomach |
| a pattern of slow contractions sweeping along the GI tract |

The lamina propria and mucous epithelium are components of the
The lamina propria and mucous epithelium are components of the
| mucosa. |
| adventitia. |
| muscularis mucosa. |
| serosa. |
| submucosa. |

Sandwiched between the layer of circular and longitudinal musclein the muscularis externa is the
Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa is the
| submucosal plexus. |
| myenteric plexus. |
| submucosa. |
| muscularis mucosa. |
| mucosa. |

section where chyme is processed to remove water and electrolytes, leaving waste products of digestion

Match the following structures with theappropriate description.

A. appendix
B. colon
C. duodenum
D. ileum
E. jejunum

section where chyme is processed to remove water and electrolytes, leaving waste products of digestion

| appendix |
| colon |
| duodenum |
| ileum |
| jejunum |

located at the ventral end of the cecum

Match the following structures with the appropriate description.

A. appendix
B.colon
C. duodenum
D. ileum
E. jejunum

located at the ventral end of the cecum

| appendix |
| colon |
| duodenum |
| ileum |
| jejunum

location of the sphincter that prevents premature emptying of the stomach

| pancreas |
| pylorus |
| rectum |
| small intestine |
| stomach |
|

organ where most digestion occurs

| pancreas |
|...