BIO 3520
McGilliard
 
 

Reading Assignment:

     Widmaier, pp. 388-390, 393-408, 455-458.

     Fisher, P.E., et al.  Cardiovascular evidence for an intermediate or higher metabolic rate in an
          ornithischian dinosaur.  Science 288: 503-505, 2000.
 

Objectives:

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

     1.  Distinguish between the five different types of blood vessels in terms of size,
          structure, and function.

          Lecture/Lab -- 10/24-10/26
          Text -- pp. 388-390, 414, 418-419, 423, 431
          Notes
          Structure of Blood Vessels

     2.  Describe the path of blood flow through the circulatory systems of fish,
          amphibians, reptiles, birds, and mammals.

          Lecture -- 10/24

          Fisher paper
          Text -- pg. 388-390
          Figures -- 12-2, 12-8
          Notes
          Vertebrate Circulatory Systems
          Dinosaur Heart

          Mammalian Circulatory System

     3.  Describe the anatomy of the mammalian heart, including its four chambers,
          four valves, and the major blood vessels associated with the heart.

          Lecture -- 10/24
          Text -- pp. 393-395
          Figures -- 12-6, 12-7
          Surface View of the Heart (quiz yourself)
          Cut View of the Heart (quiz yourself)

     4.  Give two examples of left-to-right shunts and describe the physiological
          consequences of these abnormalities.

          Lecture -- 10/27

          Text -- pp. 407-408
          Septal Defect
          Patent Ductus Arteriosus

     5.  Compare and contrast the structure of cardiac muscle with the structures of
          skeletal and smooth muscle.

          Lecture -- 10/29
          Text -- pg. 395
          Figures -- 9-1, 12-9
          Cardiac muscle

    6.  Compare and contrast the action potential and refractory period of cardiac
          muscle fibers with those of skeletal muscle fibers.

          Lab/Lecture -- 10/26, 10/27, 10/29
          Text -- pp. 398, 403
          Figures -- 12-12, 12-18
          Worksheet:  Frog Heart Lab

     7.  Describe the factors responsible for certain cardiac muscle cells functioning
          as pacemaker cells.

          Lecture -- 10/26
          Text -- pp. 396, 398-399
          Figure -- 12-13
          Pacemaker Potentials
          Notes

     8.  Describe the path of impulse conduction through the heart.

          Lecture -- 10/26
          Text -- pp. 396-397
          Figures -- 12-10, 12-11
          Conduction Pathway

     9.  Describe the cardiac cycle in detail, including:
          a.  Impulse conduction and electrocardiogram (ECG).
          b.  Atrial and ventricular contraction and relaxation.
          c.  Changes in atrial and ventricular pressure.
          d.  Changes in ventricular volume.
          e.  Opening and closing of valves.
          f.   Heart sounds.
          g.  Changes in arterial blood pressure.

          Lecture -- 10/29
          Text -- pp. 399-400, 403-408
          Figures -- 12-11, 12-14, 12-19, 12-20
          Notes
          The Cardiac Cycle
          Electrocardiogram and Heart Sounds

   10.  Define and recognize from an ECG tracing the following arrhythmias:
          a.  Bradycardia (figure).
          b.  Tachycardia (figure).
          c.  Extrasystoles (figure).
          d.  Partial AV block (figure).
          e.  Complete AV block (figure).
          f.   Atrial flutter (figure).
          g.  Atrial fibrillation (figure).
          h.  Ventricular fibrillation (figure).

          Lab -- 11/01, 11/02
          Text -- pp. 399-401
          Figures -- 12-15, 12-16

          Normal ECG

          Notes

   11.  Discuss the causes, prevention, and treatment of coronary heart disease.

          Lecture -- 10/29, 10/31
          Text -- pp. 455-458

          Figures -- 12-66a, 12-66bcd

          Atherosclerosis
          Angiogram
          Balloon Angioplasty

          Stent Angioplasty
          Coronary Artery Bypass
 

Review Questions:

     Pg. 393, #1

     Pg. 414, #1, 2, 4-11.
     Pg. 459, #14.
 

Test Questions:

     Pp. 474-475, #1, 3, 6, 7, 11.

Thought Questions:

     Pg. 476, #3-5.