Unit 8

Lecture #1

I. HEART ANATOMY (pgs. 554-572)

  General description: (summarize first paragraph)

  A. Approximate size and location-



  B. Discusss the apex and apical heartbeat-



  C. Coverings of the heart: (pg. 555)



    1) Pericardium (pericardinal sac)-



    2) Layers of the Pericardium:

      a) Fibrous Pericardium-



      b) Parietal Pericardium-



      c) Visceral Pericardium-



      d) Pericardial Cavity and Fluid-



    3) Wall of the Heart (discuss structures and functions) (pg. 556)

      a) Epicardium (visceral pericardium)-



      b) Myocardium-



      c) Endocardium-



    4) Interatrial and interventricular septum (wait till lecture)-



      a) Atria (discuss)-



      b) Ventricle (discuss)-



      c) Right half (wait till lecture)-



      d) Left half (wait till lecture)-





Lecture #2

    5) Pathway of blood through heart (pg. 558) (discuss each)

      a) Right atrium-



        3 vessels-



        Tricuspid Valve-



        Chordae Tendineae-



        Papillary Muscles-



      b) Right ventricle-



        Pulmonary Trunk-



        Pulmonary Semilunar Valve-



      c) Left atrium-



        Pulmonary Veins-



        Bicuspid or Mitral Valve-



        Chordae Tendinae-



      d) Left ventricle-



        Aorta-



        Aortic Semilunar Valve-





Lecture #3

II. PATH OF BLOOD THROUGH THE HEART:

  A. Systemic Circulation (pgs. 561-562)-











  B. Coronary Circulation (pgs. 562-563)-











  C. Fetal Circulation (pgs. 912-913) (wait till lecture)-

*Umbilical Vein



*Ductus Venosus to I.V.C.



Right Atrium




*Foramen Ovale



Left Atrium



Left Ventricle
Right Ventricle



Pulmonary Artery



*Ductus Arteriosus




Aorta



To Body or *Umbilical Arteries




  Define each (use idex or glossary):

    Angina pectoris-



    Myocardial Infarcation-



    Angioplasty-





Lecture #4

Cardiac Cycle (pg. 565-566):



Systole-



Diastole-



If the average heartrate = 75/min. then how long is each beat?

60 seconds divided by 75 =

ATRIAVENTRICLE
ContractRelaxSystoleDiastole
.1 sec
(Systole)
.7 sec
(Diastole)
.3 sec
.5 sec




Diagram-Conduction System of Heart:
(Draw and label fig. 15-19)











Cardiac Condition System of the Heart (pg. 568-570)

  A. Consists of 4 structures:

    a) Sinoatrial node

    b) Atrioventricular node

    c) A-V bundle (bundle of his)

    d) Purkinje Fibers



    1) Sinoatrial Node (discuss)-





    2) Atrioventricular Node (discuss)-





    3) A-V Bundle (discuss)-





    4) Purkinje Fibers (discuss)-





  B. Pathway (wait till lecture):









  C. Regulating Conduction System: (wait till lecture)

    1) Autonomic Nerves from Medulla Oblongata-



    2) Hormones-





Lecture #5

  Electrocardiogram (ECG) (pg. 570-571)



  P=



  QRS=



  T=



  Arrhythmias-



  Fibrillation-



  Pacemaker-



    Explain why atrial fibrilltion will not cause immediate death but ventricular fibrillation will?





Lecture #6

Main function (summarize the first paragraph) (pg. 739)







Why we breathe (explain in your own words)





Organs of the Respiratory System: (discuss each in detail) (pg. 740)

  1) Nose-





  2) Nasal Cavity-





  3) Nasal Septum-





  4) Nasal Conchae (Turbinate bones)-





  5) Lacrimal Duct (wait till lecture)-





  Advantages to Breathing through Nose:

    a)



    b)



    c)



    d)



  1) Sinuses (discuss in detail) (pg. 741)-







  2) Pharynx (discuss in detail) (pg. 741)-



    Nasopharynx-



    Oropharynx-



    Laryngopharynx-



  3) Larynx (discuss first paragraph) (pg. 742)-





    Structure (discuss second paragraph) (pg. 742)-





    Thyroid Cartilage (discuss)-





    False Vocal Cords (discuss)-





    True Vocal Cords (discuss)-





    Pitch (discuss)-





    Intensity (discuss)-





    Glottis (discuss) (pg. 744)-





Lecture #7

  4) Trachea (discuss first paragraph)-







    Structure (discuss second and third paragraph)-







  5) Bronchial Tree (discuss first paragraph)-







  Draw & label fig. 19.8













    Bronchioles-(wait till lecture)





    Alveolar ducts-(wait till lecture)





    Air sacs and alveoli- (wait till lecture)







  6) Lungs (discuss pg. 750)-







    Hilus (discuss)-





    Visceral Pleura (discuss)-





    Parietal Pleura (discuss)-





    Pleural Cavity & Serous Fluid (discuss)-





    Discuss the difference between the right and left lung (pg. 751)-





    Surface Area (wait till lecture)-





    Bronchioles (wait till lecture)-





    Surfactant (wait till lecture)-





    Blood Supply (wait till lecture)-





    Pulmonary Artery and Veins-





    Bronchial Artery and Veins-





    Breathing Mechanism (wait till lecture)-





    Atmosphere Pressure-





    Inspiration vs. Expiration-





    Inhale-





    Exhale-





    Control of Breathing:





    Respiratory Center-





    Amount of C02 in Blood-





    Normal Rhythm-





Make your own free website on Tripod.com