Exit Quiz #12 Answers

1. Which 3 organs are covered or wrapped by the greater omentum? 

Small intestine, (transverse) colon, spleen

2. What anatomical structures prevent food from:

                  a. entering the trachea?    Epiglottis

                  b. entering the nasopharynx?    soft palate

                  c. reentering the mouth?   tongue

3. Via what duct does bile enter the gall bladder? Via what duct does bile leave the gall bladder?

The cystic duct for both

4. There are four places along the GI tract where the passage of material is regulated by sphincters.  Name one sphincter at each of these locations.

Pyloric sphincter

Gastroesophageal sphincter

Ileo-cecal valve

Internal or external anal sphincter

5. Which part of the alimentary canal is lined with simple columnar epithelium? Which part is lined with stratified squamous epithelium?

Simple columnar – GI tract (stomach to anal canal)

Stratified squamous – mouth, pharynx, esophagus