Most of the digestive enzymes found in the small intestine are secreted by this accessory organ.
What is the pancreas?
100
True or false: the large intestine is the "work horse" of the digestive system?
False - that honor goes to the small intestines.
100
Amylase allows us to digest:
What is carbohydrates?
200
All of the following are part of the alimentary canal except the:
a. pharynx.
b. esophagus.
c. small intestine.
d. liver.
What is (d) the liver?
200
The muscular tube connecting the mouth and throat to the stomach.
What is the esophagus?
200
The fingerlike projections of the intestinal mucosa are called:
What are villi?
200
The functions of the large intestine include all of the following except:
What is absorption of nutrients?
200
Which of the following is not an enzyme?
a. Rennin
b. Lipase
c. Pepsin
d. Bile
What is (d) bile?
300
Simple columnar epithelium is found in which histological layer of the alimentary canal?
What is the mucosa?
300
What are the three types of salivary glands? (i.e.,where are they located?)
What are submandibular, sublingual, and parotid?
300
This substance secreted by the pancreas helps neutralize chyme.
What is bicarbonate?
300
Intrinsic factor is produced in the stomach and is necessary for the absorption of:
a. triglycerides.
b. fat-soluble vitamins.
c. vitamin B12.
d. vitamin C.
What is (c) vitamin B12?
400
Which histological layer of the alimentary canal is also known as the visceral peritoneum?
What is the serosa?
400
The ring-shaped muscle at the top of the stomach relaxes and loosens to allow food to pass and then closes again.
What is lower esophageal sphincter?
400
This hormone triggers the release of enzyme-rich pancreatic juice.
What is CCK?
400
Which of the following is not part of the large intestine?
a. Cecum
b. Appendix
c. Ileum
d. Sigmoid colon
What is (c) the ileum?
400
How is pepsinogen activated?
What is by the body releasing HCL and changing pepsinogen to pepsin?
500
The watery fluid that prepares food for swallowing and initiates the process of digestion?
What is saliva?
500
True or false: Swallowing is an involuntary movement that occurs during digestion.
What is false?
500
What is the longest part of the small intestine?
What is the ileum?
500
Another name for the large intestines?
What is "colon".
500
Digested food once it hits the stomach is called what?