Hole's Essentials of Human Anatomy & Physiology, 12th Edition (Shier)

Chapter 15: Digestive System and Nutrition

Pre-Test Questions

1
Which of the following digestive system organs is an accessory organ?
A)mouth
B)stomach
C)pancreas
D)small intestine
2
The function of the projections of the mucosa of the GI tract is to
A)increase its secretory capacity
B)protect the surface of the inner wall
C)enlarge the area available for absorption
D)decrease the effects of peristalsis
3
In which layer are the vessels that nourish the tissues of the alimentary canal and carry away absorbed materials found?
A)mucosa
B)submucosa
C)muscular layer
D)serosa
4
The layer of the wall of the alimentary canal which keeps the outer surface of the alimentary canal moist and slippery is the
A)mucosa
B)submucosa
C)muscular layer
D)serosa
5
The major change to food that occurs in the mouth is
A)mechanically reducing the size of solid particles
B)beginning the separation of fats from proteins
C)beginning the chemical changes needed to break down nutrients into a form that can be absorbed
D)allowing the taste of the food to be savored
6
During swallowing, muscles draw the soft palate and uvula upward to
A)move food into the esophagus
B)enlarge the area to accommodate a bolus of food
C)prevent food or fluid from entering the nasal cavity
D)move the uvula from the path of the food bolus
7
Most of the digestion takes place in the
A)large intestine
B)stomach
C)small intestine
D)salivary glands
8
Which of the following is not a function of saliva?
A)cleanse the mouth and teeth
B)dissolve chemicals necessary to tasting food
C)help in formation of a bolus of food
D)begin digestion of protein
9
When a bolus of food reaches the end of the esophagus, the lower esophageal sphincter relaxes in response to
A)the weight of the bolus of food
B)nerve impulses conducted by the sympathetic division
C)nerve impulses conducted by the parasympathetic division
D)arrival of peristaltic waves
10
The area of the stomach that acts as a temporary storage area for ingested food is the
A)cardiac region
B)fundic region
C)body region
D)pyloric region
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.