BIO 3520
McGilliard
 
 

Reading Assignment:

     Widmaier, pp. 79-85, 575-586, 590-609, 636-637.
 

Objectives:

     After reviewing your lecture notes and reading assignment, you should be able to:

     1.  Discuss the concepts of energy balance and imbalance.

          Lecture -- 10/08
          Text -- pp. 636-637
          Notes

     2.  Identify the major fuel stores in the body.

          Lecture -- 10/08

          Text -- pg. 94

          Table -- 3-11

     3.  Name five basic processes performed by the digestive system.

          Lecture -- 10/08
          Text -- pp. 575-576
          Figure -- 15-2
          Notes

     4.  Outline the path an ingested meal follows from the mouth to the anus, pointing out
          the principal organs of digestion and absorption along the way.

          Lecture -- 10/19
          Text -- pp. 576-581
          Figures -- 15-1, 15-3
          Anatomy of the Digestive System (quiz yourself)

     5.  Draw a cross-section of the digestive tract and identify four tissue layers in the
          cross-section.

          Lecture -- 10/19
          Text -- pp. 581-582
          Figures -- 15-6, 15-7, 15-8
          Layers of the Intestine
 

     6.  Explain how smooth muscle contraction is responsible for movement and mixing
          of food material.

          Lecture -- 10/19
          Text -- pp. 592, 603
          Figures -- 15-22, 15-23, 15-32
          Notes
          Peristalsis

     7.  Describe the action of sphincters and give an example of a sphincter in the
          digestive system.

          Lecture -- 10/19
          Text -- pp. 592-593
          Figure -- 15-15
          Notes

     8.  Name three glands associated with the digestive system and name at least one
          secretion of each gland.

          Lecture -- 10/19
          Text -- pp. 576-580, 598-602
          Table -- 15-6
          Figures -- 15-1, 15-3, 15-4, 15-25

     9.  Describe the actions of the autonomic nervous system on the digestive system.

          Lab -- 10/21, 10/22
          Text -- pg. 588

          Lab:  Rat Intestine
          Worksheet:  Rat Intestine Lab

          Notes

   10.  Describe, in detail, the digestion and absorption of complex carbohydrates,

          proteins, and fats, including the specific organs and enzymes involved.

          Lecture -- 10/19
          Text -- pp. 583-586
          Figures -- 15-12, 15-21
          Notes

   11.  Name five functions of the liver.

          Lecture --

          Text -- pp. 601-602
          Table -- 15-2
          Notes

   12.  Describe the hepatic portal circulation and discuss its importance.

          Lecture --
          Text -- pg. 583
          Hepatic Portal Circulation

   13.  Describe the physiological basis of the following disorders:
          a.  Appendicitis.
          b.  Ulcers.  Text -- pg. 606;  Figure -- 15-34
          c.  Diarrhea.  Text -- pg. 609
          d.  Lactose intolerance.  Text -- pp. 608-609
          e.  Heartburn.  Text -- pp. 592-593
          f.   Hepatitis.  Notes
          g.  Cirrhosis of  the liver.  Notes

          Lecture -- 10/19

   14.  Describe a major contribution of William Beaumont to our understanding
          of the digestive system.

          Lecture -- 10/19
 

Review Questions:

     Pg. 87, #2.

     Pp. 612-613, #1, 2, 4, 5, 6, 8, 10, 21, 22, 25, 31, 34, 37, 38.
 

Thought Questions:

     Pg. 614, #1, 4.