Upgrade to remove ads
Only $35.99/year

Chapter 22 - The Digestive System - Mastering A&P

Terms in this set (58)

What major process involves the removal of water from intestinal contents?
a. ingestion
b. defecation
c. mechanical breakdown
d. absorption
d
Where does the process of segmentation?
a. stomach
b. esophagus
c. small intestines
d. anus
c
How would you classify choosing food?
a. ingestion
b. digestion
c. propulsion
d. mechanical breakdown
d
Which of the following functions is NOT correctly matched with its description?
a. absorption: intake of chemically processed nutrients
b. ingestion: intake of food nutrients
c. mechanical breakdown: churning movements in the GI tracts
d. propulsion: physical breakdown of ingested in the GI tract
d
What organ of the digestive tract is the body's major digestive organ?
a. liver
b. large intestines
c. stomach
d. small intestines
d
Which layer of the alimentary coral is constructed from either stratified squamous or simple columnar epithelium?
a. mucosa
b. muscular externa
c. submucosa
d. serosa
a
Which layer of the alimentary canal is responsible for segmentation and peristalsis?
a. muscularis externa
b. serosa
c. mucosa
d. submucosa
a
The ___________ is the serous membrane that lines the abdominal organs
a. omenta
b. mesentary
c. visceral peritoneum
d. parietal peritoneum
c
The ___________ circulation drains all of the organs of the digestive system.
a. visceral
b. peritoneal
c. hepatic portal
d. splanchnic
c
The outermost tissue layer of the alimentary canal is the __________.
a. mucosa
b. serosa
c. muscularis
d. submucosa
b
Which layer of the digestive tract controls propulsion?
a. mucosa
b. muscularis
c. serosa
d. submucosa
Which of the following does NOT describe a basic regulator of digestive control?
a. pH, stretch, and osmolarity are some of the inputs that can initiate digestive responses
b. digestive effectors are smooth muscle and glands
c. short reflexes act locally in the GI tract
d. conscious neural control
d
Which of the following is NOT a function of saliva?
a. saliva moistens food and helps compact it into a bolus
b. saliva dissolves food chemicals so that they can be tasted
c. saliva contains enzymes that begin the chemical breakdown of proteins
d. saliva cleanses the mouth
c
What digestive process does occur in the mouth?
a. segmentation
b. ingestion
c. digestion
d. mechanical
a
What control mechanism opens the gastroesophageal sphincter?
a. constriction of the upper esophageal sphincter
b. detection of nutrients in the esophagus
c. pH changes in the esophagus
d. peristalsis
d
Recommended textbook explanations

Essential Cell Biology

4th EditionBruce Alberts, Dennis Bray, Karen Hopkin
359 explanations

Biology: Reading and Study Workbook A

1st EditionPrentice Hall
3,347 explanations

Campbell Biology

9th EditionJane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
655 explanations

Biology (Indiana)

1st EditionStephen Nowicki
1,895 explanations