Which of the following statements about movement of food through the gut is FALSE? The inner circular muscle and outer longitudinal muscle layers in the gastrointestinal tract propel food unidirectionally towards the anus. O b. The pyloric sphincter controls exit of food out of the stomach. O c. The epiglottis and vocal chords prevent food entry into the trachea. O d. The waves of muscle contraction that propel food through the gut are called peristalsis. Oe. The correct order of food passage through the small intestine is duodenum, ileum then jejunum.

How can constipation impact the digestive system? Illustrate this in a well-written paragraph as well as a diagram.

Which of the following about bile is INCORRECT? (select multiple) o It contains enzymes for digestion It is released into the small intestines It functions to emulsify fats It is synthesized in the gall bladder It contains bilirubin and biliverdin оо

Which of the following is not true?  bile is made in the liver bile is stored in the gall bladder bile helps digest fats by acting like detergents bile is released from the gall bladder into the small intestine  none of these

With respect to pH, what would happen if the stomach emptied rapidly into the small intestine? Why would this be bad for digestion?

Which of the following is NOT true regarding the absorption of fat-soluble vitamins?     Absorption occurs in the small intestine.   Fat-soluble vitamins are incorporated into chylomicrons and transported into the lymph.   A low-fat meal has no effect on fat-soluble vitamin absorption.   Bile is necessary.

Identify this component/region of the wall of the digestive tract Choose one from the following: (A) muscularis mucosa (B) submucosa (C) muscularis externa - innermost circular layer (D) muscularis externa - innermost oblique (E) muscularis externa - inner circular (F) muscularis externa - inner longitudinal (G) muscularis externa - inner obilque